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B-Pillar Seal

A vehicle’s B-pillar sits between the front and rear side glass. It serves as a structural support for the roof.

A B-Pillar Seal covers the space between the shut line of the vehicle’s rear wing and back door. It’s typically made from high-grade rubber and designed to withstand extremely hot and cold temperatures.

System

Car Body

Back Glass Weatherstrip

A weatherstrip is a rubber material that forms a seal around the doors, windows, trunk lid, and windshield, among others. The back glass weatherstrip, in particular, goes on the rear windows to keep dirt and debris out by creating a dry seal between the car’s interior and outdoors.

Weatherstrips keep wind noise and window rattling to a minimum while prolonging the lifespan of vehicle upholstery and carpets.

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Accessories

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Back Up Alarm

The Back Up Alarm, also known as the back up beeper or vehicle motion alarm, is a device that audibly warns passers-by when a vehicle is moving in reverse. Together with the back up sensors, it lets the driver know when the rear bumper is within a certain distance from an object to prevent collisions.

System

Mobile Electronics

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Back up Camera

Back up cameras are small video cameras that allow the driver to get a view of their vehicle’s rear. Back up cameras improve vehicle safety because they give drivers a clearer view of their ride’s rear. Aside from that, back up cameras also improve quality of life because drivers don’t need to contort their bodies or look closely at their mirrors to see their rear. The camera is typically installed above the rear license plate, and it sends a video to the vehicle’s infotainment screen whenever the driver shifts to reverse.

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Accessories

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Back Up Light Bulb

A Back Up Light Bulb is a small white bulb that goes into the back up light socket on the rear of the vehicle. Backup lights, also known as reverse lights, are designed to light up when a vehicle shifts into reverse. These bright lights are meant to illuminate the area behind the vehicle and alert other drivers that the vehicle is backing up. By law, all vehicles are required to have at least one reverse light.

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Car Lights

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Back Up Light Connector

The back up light connector is a part that connects the back up light to your vehicle’s electrical system. This part might be required if the current connector causes issues like erratic or nonexistent power supply. Back up light connectors are usually attached to a wiring harness at your vehicle’s rear that connects to the rest of the electrical system. The back up lights rely on their connectors to supply them with power.

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Car Lights

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Back Up Light Lens

The Back Up Light Lens is a lens that fits over a vehicle’s backup light. Most of these lenses are polycarbonate and have a textured surface designed to diffuse light. This diffusion makes it easier for passersby and other drivers to know when the vehicle is backing up. Back up light lenses also help protect back up lights from the elements. Their size and shape depend on their vehicle’s make and model.

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Car Lights

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Back Up Light Switch Connector

The back up light switch, also known as the reverse light switch, functions as an electronic switch. The back up light switch connector is a plug that connects to the rest of your vehicle’s wiring, which leads to the fuse box. The backup light switch’s operation involves triggering the white reverse lights when the vehicle’s transmission is shifted into reverse gear. Additionally, the backup light switch can engage a backup alarm.

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Electrical System

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Back Up Lights

Back up lights are white warning lights at the back of your vehicle that illuminate when you shift into reverse gear. Also called reverse lights, these lamps indicate your intention to back up to drivers and pedestrians behind your car or truck. While back up lights cannot match the brightness of headlights, they produce enough illumination for the reverse camera to see in low-light conditions. Your vehicle is legally required to have at least one functioning back up light.

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Types of Car Lights & Car Lighting Resources

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Balance Pipe

The balance pipe is a part that provides a connection between the left and right banks of the engine to equalize exhaust gas flow from side to side, balancing pressure and smoothing out uneven exhaust pulses. This part might be needed to equalize the exhaust pressure in both banks or reduce the noise of the exhaust gases. The balance pipe is usually found between the exhaust pipes, joining the two parts together and balancing exhaust pressure levels.

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Exhaust

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Balance Shaft

The Balance Shaft is a rod that counteracts any unbalanced dynamic forces in order to reduce vibration and noise in internal combustion engines. In a balance shaft system, there are two shafts with identical eccentric weights that rotate in opposite directions to create a net vertical force. This cancels the vertical quadratic force of the engine, resulting in less noise and vibration. You can typically find balance shaft systems used in in-line 4 and V6 engines.

System

Engine

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Balance Shaft Chain

The Balance Shaft Chain transfers power from the vehicle’s crankshaft to the balance shaft. The latter is responsible for counteracting the inertial forces generated by the engine cylinders, which causes engine vibrations.

In some engines, the timing chain and balance shaft chain are the same.

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Engine

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Balance Shaft Chain Tensioner

The Balance Shaft Chain Tensioner puts pre-set tension to the balance shaft chain, preventing the length from slacking. This part might be needed if the existing tensioner has worn out or broken down. The balance shaft chain tensioner is usually mounted in front of the engine, and it helps reduce the noise of the balance shaft. The engine needs the balance shaft chain tensioner to keep the balance shaft operating at the right time.

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Engine

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Balance Shaft Gear

The Balance Shaft Gear helps balance out engine parts to reduce vibrations while driving at high speeds and shifting gears. Balance shaft gears offset the disproportionate weight created when accelerating. Vibrations can cause significant damage to the vehicle’s engine, which can be costly to repair. High-quality balance shaft gears are resistant to corrosion and wear.

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Engine

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Balance Shaft Kit

A balance shaft kit contains parts like the balance shaft, counterweight, camshaft adjuster magnets, timing chain tensioner, and bolts, among others.

The balance shaft helps reduce engine vibrations. On a three-cylinder inline engine, the balance shaft usually turns at crankshaft speed but moves in the opposite direction.

On a four-cylinder engine, two balance shafts are used, and they turn at twice the engine speed. Both shafts rotate in the same direction and are driven by a gear or chain.

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Engine

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Balance Shaft Seal

The Balance Shaft Seal is a round gasket that sits between the upper balance shaft bearing cap and cover. Thanks to it, engine oil from the upper balance shaft bearing is directed to a fitting on the balance shaft cover, where it powers the turbocharger. Balance shaft seals can vary in size, with their dimensions printed on their surface. They’re usually sold individually and will need to be replaced when the balance shaft cover is resealed.

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Engine

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Balance Shaft Tensioner

The Balance Shaft Tensioner maintains the appropriate tension in the timing chain. It can either use spring tension or hydraulic tension to do so.

System

Engine

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Ball Joint

A Ball Joint works the same way as a person’s ball and socket joint. In a vehicle, a ball joint lets the front wheels move up and down as well as side to side.

Vehicles usually have an upper and lower ball joint. Depending on the suspension and steering design, one ball joint serves as the load-carrying joint while the other functions as a follower joint.

They come in two designs: compression or tension-loaded.

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Suspension

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Ball Joint Boot

The Ball Joint Boot serves as a protective cover for your vehicle’s ball joint. It shields the ball joint from dirt, debris, and moisture, which can cause the component to wear out easily. The ball joint boot is usually made of rubber.

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Suspension

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Ball Joint Pin

The Ball Joint Pin is a metal pin that transfers the wheel and steering loads to the vehicle’s chassis via a ball joint. Because of the loads they carry, these pins are made from sturdy materials so that they don’t break while a vehicle is on the road and going over harsh bumps. Ball joint pin design and measurement vary depending on the vehicle’s make and model. Some ball joint pins have a rounded ball joint on one end.

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Suspension

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Ball Joint Service Tool Kit

A Ball Joint Service Tool Kit contains ball joints, universal joints, and truck brake anchor pins, among others. This kit is generally used when replacing a damaged or worn-out ball joint.

Some kits come with installation and removal adapters.

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Suspension

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Ballast Resistor

Ballast resistors regulate the current flowing to the ignition coil so it operates better and has a longer lifespan. This prevents the ignition coils from overheating and wearing out faster. These resistors are made of different materials, such as metal, plastic, rubber, and ceramic.

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Ignition System

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Barometric Pressure Sensor

The barometric pressure sensor monitors changes in atmospheric pressure. It’s usually on the firewall or inside the fender skirt.

Different atmospheric pressures require different engine requirements. The powertrain control module (PCM) uses the information from the barometric pressure sensor to adjust the fuel trim and engine trimming.

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Drivetrain

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Battery

A Battery is an electrochemical device that produces voltage and delivers current. It’s the heart of your car’s electrical system in that it provides the electrical power needed to start your vehicle and power other electrical components.

The battery also acts as a voltage stabilizer because it acts as a reservoir. Even if large amounts of current are released during starting, this current can be replaced by the alternator when charging.

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Electrical System

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Battery Brush

A Battery Brush is a tool designed to clean battery terminals. It helps remove corrosion and buildup from the terminals to ensure optimal electrical connections.

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Accessories

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Battery Cable

Battery Cables are the largest wires in a car’s electrical system. There are different diameters or thicknesses, often referred to as 4 gauge, 2 gauge, or 1 gauge. These cables carry heavy starter currents, and the gauges dictate how much current can safely travel through the wires to the battery.

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Electrical System

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Battery Charger

A battery charger restores electrical charge to a car battery. Most chargers are plugged into the electricity socket and attached to the battery terminals.

Battery chargers are used for maintenance charging and conventional charging. They can also double as an engine start function.

Car battery chargers come in two types: standard and smart.

Standard chargers can charge a battery within 15 hours, while smart chargers can charge a battery faster. Smart chargers can also switch to a trickle charge to prevent overcharging.

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Accessories

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Battery Cooling Fan

A Battery Cooling Fan is designed to dissipate heat from the battery pack. There are two types: air-cooled and liquid-cooled fans.

Air-cooled fans blow on the battery pack directly to cool it down, dispersing the heat. On the other hand, liquid-cooled fans blow on the coolant that absorbs the heat from the battery pack.

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Electrical System

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Battery Current Sensor

The Battery Current Sensor monitors the flow of electrical current to and from the battery. It ensures the battery remains charged while managing power distribution to different electronic components.

System

Electrical System

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Battery Fuse

The Battery Fuse is an electrical device that protects the electrical system from voltage surges from the battery. This part might be needed if the current fuse has blown or developed an issue that interferes with how the battery and electrical system work. The battery fuse is mounted in a vehicle’s fuse box and will only let an electric current with a safe voltage pass through it. The electrical system relies on the battery fuse to protect it from surges that can burn or melt parts.

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Electrical System

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Battery Ground Strap

The Battery Ground Strap is the cable that connects a vehicle’s engine block to either the negative battery terminal or the chassis. In most cases, the battery ground strap is connected to the former. It disperses excess electricity when too much flows from one component to another.

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Electrical System

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Battery Hold Down

The Battery Hold Down is a brace or clamp that keeps the battery in place inside the engine compartment. This component is designed to be sturdy and durable since batteries can weigh anywhere between 30 and 50 lbs. Keeping the battery in place helps minimize the damage they may get from hitting the surfaces of their surroundings.

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Electrical System

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Battery Hold Down Bolt

The battery hold down bolt is part of a battery hold down kit, which secures your battery in place under your hood. A battery hold down kit typically has two battery hold down bolts located on opposing sides of the battery. A metal plate is placed on top of the battery and a pair of bolts secures the plate onto the hold down bolts. Battery hold down bolts are typically long since they connect the two clamps at the bottom and top of a battery.

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Accessories

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Battery Hold Down Frame

The Battery Hold Down Frame secures the car battery to the battery tray and the vehicle’s chassis. This part might be needed if the current battery hold down frame has worn out, become damaged, or come loose. The battery hold down frame attaches to the battery tray and keeps the car battery from shaking while driving. The battery tray works with the battery hold down frame to keep the car battery in place.

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Engine

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Battery Pack

Contrary to popular belief, the Battery Pack is not the same thing as a battery cell or battery module. Battery cells are containers that store energy and come in different shapes, such as cylindrical or prismatic. These cells are then arranged in modules and connected in series into battery packs. In other words, the battery pack is the enclosure that contains the battery cells and modules, a battery management system, and, in some cases, a cooling and heating system.

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Ignition System

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Battery Support Bracket

The Battery Support Bracket is a metal bar that supports and secures a vehicle battery in place. It helps prevent the battery from jostling around during drives. This keeps the positive and negative battery terminals from touching pieces of exposed metal and causing a fire hazard. It also keeps the battery wires from tugging against the battery in case of sudden bumps on the road. The battery remains upright, preventing acid from leaking out and damaging the paint and vehicle electronics.

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Electrical

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Battery Temperature Sensor

The Battery Temperature Sensor is the part of the vehicle that monitors the temperature levels of the car battery. The sensor helps detect when the temperature of the car battery goes above or below optimum levels.

If a battery gets too hot, it can malfunction and cause permanent damage to your vehicle by leaking chemicals, starting fires, or in some cases, causing explosions. Conversely, if a battery is too cold, it cannot produce enough current to sufficiently power the vehicle.

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Electrical System

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Battery Terminal

Battery terminals are the metal contacts that connect to the battery’s terminal posts. Battery terminals are typically made from metals like aluminum and copper because of their conductive properties. They’re shaped to wrap around a battery’s positive or negative terminal posts. A screw secures the terminal so that the connection doesn’t come loose.

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Electrical

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Battery Terminal Guard

The Battery Terminal Guard is a piece of rubber, plastic, or PCV that shields a vehicle’s battery cable terminal from damage. It covers the terminal to prevent short circuits and explosions, which can occur when a metal object like a wrench is placed on top of the positive and negative terminals at the same time. Battery terminal guards come in different colors to differentiate the negative and positive terminals.

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Ignition System

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Battery Tester

The Battery Tester is used to measure the capacity of a battery’s charge. It can also check the condition and voltage output of the battery.

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Electrical System

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Battery Tray

The battery tray is where a vehicle’s battery is mounted inside the engine compartment. Aside from holding the weight of the vehicle’s battery, the trays can also reduce the amount of vibration that reaches the battery, potentially preventing battery damage.

Battery trays are typically fabricated for specific vehicle models, as they tend to conform to specific engine layouts. Battery trays are usually made from stamped steel sheets, plastic, or a combination of both. Additionally, trays are coated with paint for rust protection.

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Electrical System

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Bearing Driver

A bearing driver is a tool used to service a vehicle’s wheel bearings. Wheel hubs have bearings that need to be occasionally serviced. Servicing bearings can include cleaning the bearing, replacing the bearing seals, and reapplying grease. Doing these tasks can be difficult since the bearing race or outer ring needs to be separated. A bearing driver is a tool that’s meant to separate bearing races from the ball bearings.

System

Maintenance

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Bearing Packer

The Bearing Packer is a tool that repacks and regreases automotive bearings, such as roller and ball bearings. This tool might be needed if you must remove old grease and repack multiple bearings with new lubricant. The bearing packer keeps the greasing process neat and minimizes the loss of lubricant through spills. Bearings rely on the bearing packer to keep them lubricated, extending their service lives and restoring their performance to like-new condition.

System

Maintenance

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Bearing Race

The Bearing Race is a track that offers a fixed path where the balls of a ball bearing can roll. This minimizes friction and allows ball bearings to have better control. Ball bearings refer to the set of steel balls in a wheel bearing. There are two types of bearing races, namely the inner and outer races. The inner race is inside the ring where the shaft rides in, while the outer race is the larger race on the outside of the ring.

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Suspension

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Bed Bar

The bed bar is an accessory that provides mounting points for other accessories, additional protection for the rear windows during rollovers, and extra tie-down points for cargo in the truck bed. This accessory might be needed for installing a bed light bar or hauling big objects in the truck bed. Bed bars are usually fitted on the bed sides behind the truck cab. The truck bed needs the bed bar to help stabilize and secure large cargo by providing more tie-down points.

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Accessories

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Bed Brace

The Bed Brace is a bar typically made of heavy-duty metal that provides ample support to the truck bed and its contents. It helps prevent the truck bed from flexing or moving around when it’s loaded with cargo. Bed braces also help protect the cargo from damage by stopping any excessive movement while in transit. They’re usually comprised of two metal pieces, with one piece mounted on either side of the truck bed.

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Accessories

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Bed Extender

The Bed Extender is a cage-like accessory that increases your truck bed’s loading area. Also known as a truck tailgate extender, it allows you to safely transport oversized cargo. Bed extenders come in different sizes and load capacities, so it’s important to first check which one will fit your truck. Depending on the design, some bed extenders can work with the tailgate up and down. Some can also be mounted to the roofs of vans, SUVs, and crossovers.

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Accessories

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Bed Liner

The bed liner is an accessory that protects the truck bed’s floor and sides from dents, scratches, and other damage, and it also helps keep the cargo space clean and dry. This part might be needed if the truck bed often gets damaged by its cargo. Bed liners are usually placed on top of the truck bed that they protect. A bed liner can be used to minimize damage to the truck bed while loading, hauling, and unloading cargo.

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Accessories

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Bed Mat

The bed mat is an accessory that covers the truck bed floor, protecting it from dirt, moisture, and physical damage. This accessory is a necessity if you regularly haul large, heavy items on the truck bed. The bed mat fits on top of the truck bed floor and often has textured surfaces that offer better grip. The truck bed uses the bed mat as a protective layer between the flooring and cargo.

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Accessories

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Bed Protector

The Bed Protector is a cover that protects a truck bed’s bulkhead from dents, scratches, and other damage. Most bed protectors are made of heavy-duty stainless steel with a polished finish, making them a great investment for truck owners who often use their trucks to haul heavy cargo. Bed protectors are usually easy to mount, as they’re designed to fit against the bulkhead. They can also vary in size and shape, so it’s important to find one that fits your truck’s specific make and model.

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Accessories

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Bed Rail Cap

A Bed Rail Cap fits on top of a truck bed’s rails, reinforcing and protecting the rails from scratches or dents when loading heavy items over the truck bed’s side. These rail caps come in various designs made with different materials such as plastic, stainless steel, and so on. Bed rail caps also occasionally have a rail incorporated into their design. This provides a place to tie down cargo and gives something for truck bed passengers to hold on to for extra security.

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Accessories

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Bed Rails

The bed rails are specially designed metal rails that run along the top of the walls of the truck bed.  They give truck owners a place to tie down cargo in the truck bed, keeping items and equipment secure and in place. This prevents scrapes, scratches, and other forms of damage to the bed.

Bed rails also alter the vehicle’s silhouette, making it look more rugged and ready for an adventure.

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Accessories

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Bed Step Hanger

The Bed Step Hanger is a metal component that connects the bed step beneath the back or side of a truck bed. This bed step allows for easier cargo loading and unloading by providing a place on which to balance while doing so. The hanger is built of durable materials to properly hold the weight for both the person stepping on it and the cargo they’re moving to the truck bed. The hanger has a curved shape to account for the position it needs to hold.

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Accessories

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Bellhousing

The Bellhousing is a metal casing that houses several engine parts, such as the flywheel, clutch, and universal joint. It’s typically located near the back of the engine, where it protects your engine’s parts from dirt, debris, and other contaminants that could damage them. This metal casing also helps soundproof your engine by blocking off the noise of the flywheel, clutch, and other parts. Over time, the bellhousing can crack and rust.

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Engine

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Belt Tensioner Damper

The Belt Tensioner Damper helps synchronize timing belt rotations in the engine. Together with tensioners and idlers, the damper prevents the belt from coming loose.

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Engine

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Beltline Molding

Beltline Molding is the trim found on the bottom outside section of a vehicle’s window, where the glass meets the metal. It sits along the vehicle’s beltline, which is a line formed where the bottom edge of the vehicle’s window meets its body. Beltline molding protects the inside of a vehicle from moisture and dirt that might seep in through the bottom of the windows. It can be made from rubber, plastic, or chrome.

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Car Body

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Big Brake Kit

A Big Brake Kit is a set of brake components that typically includes brake discs, calipers, and pads. These components are designed to upgrade a vehicle’s stock brakes to reduce brake fade and improve heat dissipation, modulation, and durability. Larger rotors and calipers also offer improved braking power and reduced braking distances, making them perfect for high-performance applications.

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Braking System

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Bike Rack

Bike racks allow drivers to carry bikes on top of their vehicle’s roof or behind the trunk or tailgate. Bike racks can be mounted on a vehicle’s roof rack or tow hitch. The bikes can be locked to the bike racks using cables or fixtures that wrap around the bike frame. Most bike racks are made from aluminum. Bike racks can carry anywhere between two to five bikes.

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Accessories

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Billet Grille

A billet grille is a custom part that replaces the vehicle’s existing or stock grille. Usually made from a single piece of solid aluminum, this part allows you to customize your vehicle’s appearance. The billet grille is mounted on the front grille and protects against most impacts. The grille insert might be replaced by a billet grille for increased protection and customization.

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Car Body

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Bleeder Kit

A Bleeder Kit is a set of tools that help facilitate a proper brake bleed. The kit contains different types of brake bleeder adapters, an adapter reservoir bottle, a hose, and an airtight seal. These kits help remove air from the brake system and allow the user to change out the brake fluid entirely. The reservoir bottle connects to the hose, which attaches to the brake caliper. A separate vacuum pump attaches to the reservoir and suctions out the air and fluid. Once air has been removed from the brake system, it can then be refilled with brake fluid as needed.

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Braking

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Blend Door

A blend door is a device inside your vehicle that directs air either to the heater or the air cooler when you change air-conditioning settings. Some vehicles can also have several blend doors that control airflow to their different areas. Older vehicles have blend doors that are activated using cables connected to the vehicle’s control panel. Nowadays, modern vehicles use electronically-activated blend doors.

System

Air Conditioning and Heating

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Blend Door Motor

The Blend Door Motor or actuator is a small electric motor that lets the driver operate the climate control system. This motor is like a small HVAC device that relies on temperature sensor readings to determine the appropriate climate control setting.

As the driver turns the dial on the air conditioning unit, a signal passes through the blend door motor. The motor also directs where the air is going to come from. Air can come from the floor vents, near the dashboard, or the defrosting vents.

System

Air Conditioning and Heating

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Blend Door Repair Kit

The blend door repair kit is a kit that contains various parts that you need to repair a damaged or worn-out temperature blend door. Getting a blend door repair kit will allow you to replace just the damaged parts in your blend door assembly instead of replacing everything. The contents of a blend door repair kit may vary depending on cost and on the vehicle it’s designed for.

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Air Conditioning and Heating

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Blind Spot Detection Sensor

The Blind Spot Detection Sensor is responsible for monitoring nearby lanes where approaching vehicles or objects might not be visible to you. Blind spot detection sensors are usually mounted to the side of the vehicle. When it sends a signal to the system, the system might activate the brakes or steer the vehicle to keep the car from crashing into other vehicles. Most blind spot warning systems use radar sensors, but some also use cameras.

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Electrical System

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Blind Spot Mirror

A Blind Spot Mirror is a smaller mirror that can be attached to the side mirrors to provide a better view of the vehicle’s blind spots. It gives drivers a better view of the areas alongside the vehicle, helping them spot pedestrians, cars, and obstacles that might not be visible in the side mirror.

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Accessories

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Block Heater Cord

A Block Heater Cord is a set of wires that connects the block heater to an external power source. Block heater cords plug into regular outlets. Block heaters warm vehicle engines while the vehicle isn’t running. This is especially helpful in colder climates where temperature drops can damage engines in the long run. Block heaters also warm up engine fluids so they aren’t viscous and sticky when the engine is started.

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Accessories

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Blower Control Module

A Blower Control Module controls the speed of the blower motor using the signals from HVAC controls. It’s crucial to the operation of the HVAC (Heating, Ventilation, Air Conditioning) system.

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Air Conditioning and Heating

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Blower Motor

A blower motor is a fan attached to a vehicle’s heating ventilation and air conditioning (HVAC) system. The blower motor’s turbine is shaped like a cylinder, unlike a regular fan turbine that’s shaped more like a propeller. The blower motor is responsible for blowing air into the HVAC vents. The blower also pushes air through the A/C condenser, which cools the air that enters the cabin. Blower motors are programmed to function at different speeds, depending on the driver’s inputs. The motor can be found in multiple locations, like within the dashboard or in the engine compartment, depending on the vehicle.

System

Air Conditioning and Heating

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Blower Motor Housing

The blower motor housing is a protective case that protects the blower motor from debris, dirt, and moisture. This part might need to be replaced if the stock or current housing has worn out or gotten damaged in a way that exposes the motor. The blower motor housing encloses the blower motor, which is usually under the passenger side dashboard, and is the mounting surface for the blower motor assembly. The blower motor relies on its housing to keep it clean and attached to the vehicle.

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Air Conditioning and Heating

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Blower Motor Removal Tool

The Blower Motor Removal Tool is a useful tool for removing and installing the heater fan and blower motor assembly. The blower motor is usually located inside the engine compartment or behind the steering wheel, where it can be hard to reach. With a blower motor removal tool, you can easily remove the blower motor without damaging any of the other parts surrounding it. Most blower removal tools are made from durable metal and designed to withstand heavy-duty use.

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Air Conditioning and Heating

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Blower Motor Resistor

The blower motor resistor is the device that controls the speed of your blower motor. The blower motor resistor controls the amount of voltage sent to the blower motor depending on the setting set by the driver or passenger. Altering the voltage also changes the blower motor’s speed, which affects airflow to the cabin. When the blower motor resistor becomes faulty, the blower motor can only have one speed or it might not send power to the blower motor at all.

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Air-Conditioning and Heating

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Blower Mounting Plate

The Blower Mounting Plate is a metal plate that securely mounts the blower motor to the rest of the HVAC system. This part might be needed if the existing or stock mounting plate has developed an issue, like fracturing or loose mounts. The blower mounting plate is attached to its namesake blower motor. The HVAC system relies on the blower mounting plate to minimize vibrations generated by the blower while running.

System

Air Conditioning and Heating

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Blower Pressure Gauge

The Blower Pressure Gauge is a type of pressure gauge that lets you know whether your blower motor is operating within the normal pressure range. Like other gauges, most pressure gauges feature a red pointer, which helps you read the blower pressure at a quick glance. You can buy a blower pressure gauge that already comes with a release valve, but some still need a separate gauge mounting cup, gauge panel, and other parts for precise installation.

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Cooling System

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Blower Regulator

The Blower Regulator is an electronic component that helps maintain a set temperature in a vehicle’s cabin. It does this by adjusting the vehicle’s blower motor. The regulator is present in vehicles with automatic A/C systems to oversee and manage the blower motor as it directs air through the A/C system. Its form and how it attaches to the rest of the HVAC system depends on the vehicle’s make and model.

System

Air Conditioning & Heating

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Blower Switch Knob

The Blower Switch Knob is a control knob that adjusts the vehicle’s blower switch, which controls the fan speed for the ventilation system. As the blower switch changes the fan feed, the speed of the air blowing into the cabin from the ventilation system also changes. The blower switch has four gears that affect the blower motor’s speed.

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Air Conditioning & Heating

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Blower Wheel

The Blower Wheel is the rotating fan that draws air and propels it through the HVAC ducts. This part might be needed if your car’s current blower wheel has developed an issue and failed. The blower wheel is mounted on the blower motor, and it must remain clean and debris-free. The HVAC system needs the blower wheel to help move large volumes of cold or hot air through its ducts.

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Air Conditioning and Heating

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Body A-Pillar

The Body A-Pillar is the forward-most pillar of a car that supports the roof. It holds the windshield from side to side. A-pillars have undergone design modifications over the years and used to be thinner than the pillars seen on modern vehicles.

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Car Body

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Body B-Pillar

The Body B-Pillar is the pillar between the front and rear doors of a sedan or a hatchback. This pillar contains the rear door latch and serves as a protective and supportive frame for the vehicle. It protects the driver and passengers from side impact in a collision.

System

Car Body

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Body Control Module

The Body Control Module is an electronic control unit that controls functions that aren’t related to the engine, such as lighting, climate control, power windows, locks, and more.

The body control module communicates with other control units through a controller area network (CAN) to exchange information and coordinate with other systems.

System

Electrical System

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Body Ground Wire Kit

A Body Ground Wire Kit is designed for proper electrical grounding in vehicles with fiberglass bodies. The kit ensures reliable connections and helps eliminate ground current issues. Most kits include wiring, terminals, and connectors.

System

Electrical System

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Body Lift Kit

The Body Lift Kit is a set of tools and components that can be used to increase the height of the vehicle body. A body lift allows the vehicle to easily clear obstacles and rough terrain while preventing the undercarriage from getting scraped by debris on the road.

System

Car Body

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Body Mount Hardware Kit

A Body Mount Hardware Kit is a set of replacement hardware that replaces damaged or worn-out body mount parts.

Body mount hardware kits usually come with polyurethane replacement parts, which help improve vehicle handling.

Body mounts essentially bolt the vehicle’s body to its frame, creating a buffer between the body and chassis.

System

DIY

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Body Mount Kit

A Body Mount Kit typically consists of small bushings called body mounts that connect the vehicle frame to the body and protect it from vibration and noise. They’re typically made of durable materials, such as steel, rubber, polyurethane, or silicone.

When body mounts wear, the jambs can fall out of alignment, making it harder to close the hood and trunk. In some cases, worn body mount bushings can also cause the car to lean to one side.

System

Suspension

Related Parts

Body Plug

Body Plugs are components that are used to shut and seal holes in the vehicle. They keep fluids and contaminants from entering the vehicle body to prevent moisture damage and the accumulation of gunk and debris. Similarly, body plugs can also be used to keep certain fluids and gasses inside the vehicle, preventing leaks.

System

Engine

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Body Protection Film

Body protection film is also called paint protection film or PPF and it’s a thermoplastic urethane film applied on a vehicle’s surface in order to protect it from all kinds of damage. This includes scratches from stone chips, acids from bug splatters, and UV light damage. Body protection film can be sold in various sizes to be applied on specific body panels that include door panels, exterior door handles, and bumper covers.

System

Car Body

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Body Protector

The Body Protector is a mat that covers the body panel, protecting its surface from damage, moisture, and contaminants like dirt and oil. You use this piece of equipment to keep the body panels safe, dry, and clean while working on your vehicle. The body protector can stick vertically to most aluminum, steel, and fiberglass surfaces on your car. Various body panels can benefit from having a body protector draped across their surface while you work on nearby parts.

System

Car Body

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Body Repair Panel

The Body Repair Panel, also known as a car repair panel, is specially designed to repair a damaged part of a car’s body. Body repair panels are typically made of metal, and they can vary in size and thickness. They provide a great way to repair damaged panels with a replacement that fits precisely. You can find repair panels for various parts of the car body, such as the wheel arches, fenders, and doors. For better rust resistance, body panels are usually galvanized.

System

Car Body

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Body Seal

The Body Seal is a form of weather stripping for a vehicle’s body. It prevents rain, dust, and other small debris from slipping between areas like the vehicle doors, windows, windshield, and trunk lid. Body seals protect the vehicle’s interiors and other areas this way. They’re typically made of rubber materials to form a seal around the areas where they’re installed. Body seals come in various shapes and lengths to suit different application areas.

System

Car Body

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Body Wiring Harness Connector

The Body Wiring Harness Connector enables various wiring harnesses to hook up to the electrical system. This part might be needed if you encounter compatibility issues after replacing your vehicle’s body wiring harness or installing new electrical devices that can’t accept the old connectors. Body wiring harness connectors fit on the ends of the harness’ wires. Various electronics and electrical devices attach to the body wiring harness through the connectors.

System

Electrical

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Bolt Cap

A Bolt Cap is a small, plastic cover that fits over the nuts and bolts of a vehicle’s wheels. Bolt caps are also known as wheel nut covers and lug caps. They come in various shapes and sizes to fit over the different types of wheel nuts and bolts.

Bolt caps also have different designs, with some painted in different colors to stand out more against the wheel. Others are black to give the wheel a sleeker look instead.

System

Wheels and Tires

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Boost Controller

A Boost Controller regulates the amount of boost that comes out of a turbocharger. The boost controller prevents too much boost pressure from coming out, which can damage the engine.

A boost controller essentially controls the amount of manifold pressure by regulating the pressure that goes into the wastegate.

Boost controllers are either mechanical or electronic.

System

Exhaust System

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Boost Gauge

A boost gauge is a meter installed on a vehicle’s dashboard that displays the boost pressure created by your engine’s turbocharger or supercharger. Boost gauges can come in a variety of sizes, color options, and designs. Boost pressure readings are proportional to the amount of power an engine can produce since more boost pressure means more air can enter the combustion chamber. Boost gauges can also alert drivers if there are any dips or spikes in boost pressure, which can signify a problem.

System

Engine

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Boost Pressure Sensor

A Boost Pressure Sensor monitors the boost activity that occurs in the intake manifold. Based on the data gathered from this sensor, the engine control module is able to calculate the right amount of fuel, identify proper ignition timing, and operate the turbocharger wastegate.

System

Engine

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Boost Sensor Monitor

The Boost Sensor Monitor, also known as a turbocharger boost sensor, monitors the pressure inside a turbocharged engine’s intake manifold. It measures the output of the turbocharger and provides information to the Engine Control Module (ECM) to let it optimize performance and adjust engine parameters.

System

Engine

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Brake Accumulator

The Brake Accumulator is the component responsible for storing pressurized brake fluid. This fluid is stored so that it can be quickly released by the vehicle to increase braking force when necessary. Brake accumulators also maintain consistent brake pressure and compensate for any lost fluid in the braking system.

System

Braking System

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Brake Air Duct 

The brake air duct is a channel that directs outside air into your disc brake rotor’s cooling vanes. Pushing air into the air duct and into the brake rotor’s cooling vanes significantly improves the amount of air reaching the steel rotors, which significantly improves brake cooling. Since brakes can reach up to a thousand degrees when driving on the track, better cooling allows brakes to resist brake fade, allowing the driver to brake more confidently and consistently.

System

Braking System

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Brake Anti Squeal Paste

Brake Anti Squeal Paste is an abrasive and lubricant that removes and prevents chattering and hit from contaminated, dirty, or glazed brake rotors and disc brake pads. If you hear noises when you engage the brakes, you might need to coat the affected brake parts with brake anti squeal paste. Coat all channels, contact surfaces, and sliding surfaces with brake anti squeal paste. The brake rotors and disc brake rely on brake anti squeal paste to keep them clean, minimize noise, and reduce wear.

System

Braking System

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Brake Backing Plate

The Brake Backing Plate is a cast iron plate that holds the entire brake system together. It gives the wheel cylinder and brake shoes something to hold onto. This provides them with the required grip to stop a vehicle. You can typically find two types of brake backing plates. Floating backing plates move in and out, relative to the rotor. On the other hand, fixed backing plates don’t move and have pistons arranged on opposite sides of the rotor.

System

Braking System

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Brake Backing Plate Dust Plug

The Brake Backing Plate Dust Plug is a small, rubber piece that slots into a vehicle’s brake backing plate to protect it from dust and other elements. The wheel cylinder and brake shoes are mounted onto the backing plate inside the brake drum, and it’s important to keep brake dust and water to a minimum inside the brake drum to prevent corrosion. Should corrosion occur, it would negatively affect brake reliability.

System

Braking System

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Brake Bleed Screw

The brake bleed screw is a screw located in each of your vehicle’s brake calipers. When setting up a vehicle’s braking system, the air in the brake lines needs to be purged so that the brakes can feel firm and responsive. The brake bleed screw is located at the topmost part of each vehicle’s brake caliper. This screw is removed when brake fluid is being pumped in so that all the air can exit at the highest point of the braking system.

System

Braking System

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Brake Bleeder Kit

A Brake Bleeder Kit is a tool kit used to bleed the brakes. It usually includes a vacuum or pressure pump, various adaptors, and hoses. Some kits also have a brake fluid catch bottle and a reservoir adapter.

System

Braking

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Brake Booster

The Brake Booster reduces the amount of pressure the driver has to put on the pedal to activate the brakes. It accomplishes this with a vacuum chamber that increases hydraulic pressure from the master cylinder, multiplying the force exerted on the pedal by the driver.

System

Braking System

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Brake Booster Vacuum Hose

A Brake Booster Vacuum Hose forms a connection between the master cylinder and the brakes to allow the brake booster to function. The booster reduces the amount of pedal pressure needed for slowing down and stopping a vehicle, creating a vacuum to overcome fluid pressure in the braking system.

System

Braking System

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Brake Booster Vacuum Pump

The Brake Booster Vacuum Pump serves as a power assist for the brakes. It is responsible for minimizing the wear and tear of various brake parts. It also makes driving safer by reducing the energy needed to slow down and stop the vehicle. The brake booster vacuum pump can typically be found on the cylinder head.

System

Braking System

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Brake Cable Boot

The brake cable boot or parking brake cable cover is a rubber cover that covers up a section of the steel parking brake cable. Covering the parking brake cable is crucial because dust or dirt can build up on the exposed steel cable, which can cause it to rust. Rust on the parking brake cable can cause the brake cable to snap, which is quite risky. After all, the parking brake cable engages the rear brakes when the vehicle is parked. If the cable fails, then the vehicle will likely roll.

System

Accessory

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Brake Cable Guide

The Brake Cable Guide ensures that the brake cable goes from the brake handle to the parking brake without dangling or getting entangled. Also called the parking brake cable handle guide, this part might be needed if the existing ones have broken down or worn out. The brake cable guide is mounted on the brake handle. The brake cable relies on the guide to keep it straight.

System

Braking System

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Brake Cable Retainer

The Brake Cable Retainer is a type of clip that holds the brake cable in place. There are different types of brake cable retainers for different types of brakes, so it’s best to double-check which type you’re looking for. You can purchase brake cable retainers individually or in sets. A brake cable retainer might be a small component, but it’s necessary to keep the brakes functioning properly. It prevents the brake cable from moving around and getting tangled with other parts.

System

Braking System

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Brake Caliper

The Brake Caliper houses the pistons and brake pads. When the brakes are applied, the caliper forces the brake pads against the rotor to generate stopping power.

Over time, the caliper can develop rust or leak brake fluid, leading to problems like squealing noises and spongy brakes.

System

Braking System

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Brake Caliper Bit Set

The Brake Caliper Bit Set is a set of bits that connect to a torque wrench. The different bits adjust different brake caliper mounting bolts. These mounting bolts secure the brake rotor in place and need to be torqued to manufacturer-recommended specifications. This is difficult without the correct brake caliper bit. Brake caliper bit sets include various bit sizes and designs to accommodate different mounting bolts.

System

Maintenance

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Brake Caliper Bolt

The brake caliper bolt secures the brake calipers to the steering knuckle brackets. The brake caliper bolts need to be durable because they need to withstand tremendous loads as they keep the brake caliper stationary as it’s gripping the brake rotors. The caliper bolts also keep the calipers aligned on the brake rotors. The brake caliper bolt is also called the caliper bracket bolt or caliper mounting bolt. When brake caliper bolts corrode, they need to be replaced.

System

Braking System

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Brake Caliper Bracket

The Brake Caliper Bracket is an assembly that encases and secures the components of the brake caliper. This part might need to be replaced if the stock or current bracket has failed because of accidental damage or wear, causing problems that might seem similar to the ones made by a bad brake caliper. The brake caliper bracket is bolted to the vehicle’s spindle, and it ensures that the brake caliper works properly. The braking system relies on the brake caliper bracket to ensure smooth operation.

System

Braking System

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Brake Caliper Brush

The Brake Caliper Brush is a cleaning tool designed specifically to brush off dirt and grime from a vehicle’s brake calipers. In addition to general surface cleaning, brake caliper brushes can also remove rust. These brushes are made with stainless steel bristles and are thin to fit between the wheel’s tighter sections. They often have handles with grooves for the user’s fingers. Brake caliper brushes can also clean brake shims and other areas around the wheels.

System

Maintenance

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Brake Caliper Clip

The Brake Caliper Clip is the component responsible for holding the brake caliper in place, preventing it from shifting while driving. It is typically found on the inner side of the brake caliper. The brake caliper clip also ensures that the brake caliper makes firm contact with the vehicle’s brake disc, helping it generate the friction necessary to slow and stop the vehicle. 

System

Braking System

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Brake Caliper Cover

A brake caliper cover redirects brake dust from your vehicle’s brake pads toward your vehicle’s rear instead of outside your wheels. This prevents the wheels from getting dirty since brake pad dust can easily stick on metal surfaces because the metal particles have a static charge. Brake caliper covers can also help drivers customize their vehicles, as caliper covers are typically painted in bright colors.

System

Braking System

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Brake Caliper Guide Pin

The Brake Caliper Guide Pin is a pin that ensures the brake caliper remains aligned with the brake robot while also allowing the caliper to slide and clamp. This part might be needed if you have damaged brake caliper guide pins that cause the caliper to bind, leading to uneven wear on the brake pad.

Each brake caliper has two guide pins on its brake piston assembly, and these brake caliper guide pins keep the caliper at the proper angle. The brake system relies on the brake caliper guide pins to ensure the brake pad and the brake disk meet at the correct angle.

System

Braking System

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Brake Caliper Guide Pin Boot

The Brake Caliper Guide Pin Boot is specifically designed to protect the caliper guide bolts and slide pins from moisture, dirt, and other debris that can cause corrosion. Without these boots, the front and bake slide pins can suffer damage, compromising the entire braking system.

Brake caliper guide pin boots are typically sold in sets or kits that come with pin boots and suspension bushings. Most front pin boot kits also contain rubber bushings and caps, making installation much more convenient.

System

Braking System

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Brake Caliper Kit

ABrake Caliper Kit has all the items needed to rebuild disc calipers on a vehicle. It usually has a piston seal made from EPDM materials to improve resistance against extreme temperatures. The kit typically provides new seals that stop leakage or prevent damage to improve braking.

System

Braking System

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Brake Disc and Caliper Kit

The Brake Disc and Caliper Kit contains the necessary parts to replace a faulty brake disc and its associated brake caliper. This kit might be needed if the current brake disc and caliper have worn out or become too damaged. You’ll need the parts in the brake disc and caliper kit for a thorough repair or upgrade of your vehicle’s brakes.

System

Braking System

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Brake Disc And Drum Kit

A brake disc and drum kit is a set of parts needed to replace the worn braking components of a vehicle that has disc brakes and drum brakes. A brake disc and drum kit will include components such as brake shoes, brake discs, brake pads, brake drum, and the necessary installation hardware like springs. Brake disc and drum kits can replace the worn brake components of all four wheels.

System

Braking System

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Brake Disc and Pad Kit

The Brake Disc and Pad Kit is a repair kit that consists of brake pads, calipers, discs, and other hardware necessary for installation. Some kits come with other components such as wear sensors, brake fluids, and rotor rings. Brake disc and pad kits are great for replacing damaged brakes or for upgrading the standard brakes on your car. Different kits will have different instructions, so it’s best to read all the instructions carefully before using it.

System

Braking System

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Brake Drum

A Brake Drum is a cylindrical drum made of cast iron or cast aluminum, which is attached to a vehicle’s wheel. It is not connected to the backing plate, but it turns with the wheel. It is mounted on the hub or axle, covering the rest of the brake assembly.

It surrounds a set of brake shoes that are pushed outward against the inner surface of the brake drum when the brake pedal is pressed to decelerate the rotation of the wheel.

System

Braking System

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Brake Drum and Shoe Kit

The Brake Drum and Shoe Kit is a kit that contains both a brake drum and a brake shoe, which are both essential components of a vehicle’s brake system. The brake drum is a cylindrical drum attached to the inside of a vehicle’s wheel. It surrounds the brake shoes. Meanwhile, the brake shoes are crescent-shaped parts that are made with a rough texture on one face. These brake shoes push against the brake drum to slow down the vehicle’s wheel.

System

Braking

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Brake Dust Shields

TheBrake Dust Shields are used to protect the wheels from grime, road debris, and other contaminants that might affect their performance. They also shield the suspension and parts of the drivetrain from the heat generated by the engine. Brake dust can corrode the steering and suspension systems quickly, so it’s important for the shields to block off dust to minimize damage.

System

Wheels and Tires

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Brake Fluid Level Sensor

A Brake Fluid Level Sensor will light the red brake warning lamp on the dashboard once it detects low brake fluid levels. A float-type sensor or magnetic reed switch is commonly used and provides a complete electrical circuit when the brake fluid is low.

System

Braking System

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Brake Fluid Pressure Sensor

A Brake Fluid Pressure Sensor monitors the driver’s braking effort to ensure that it’s in sync with what the vehicle is doing.

Typically located within the ABS pump, the brake fluid pressure sensor also relies on multiple sensors to monitor activities like wheel speed, acceleration, deceleration, and steering input, among others.

System

Braking System

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Brake Hardware Kit

A Brake Hardware Kit has different components needed to maintain the braking system. Each kit typically includes abutment clips, anti-rattle clips, springs, pins, and dust boots. 

System

Braking System

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Brake Hose Clip

Brake hose clips are small fasteners that secure brake hoses to the vehicle’s chassis. This prevents brake lines from moving or affecting other components. These clips can come in various shapes. Some clips are pieces of stamped steel that are screwed to the vehicle. Meanwhile, other hose clips are made from plastic and latch onto the vehicle like a push pin.

System

Braking System

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Brake Hose Washer

The Brake Hose Washer is a part that helps attach the brake hose to the brake caliper, creating a light seal between the two parts. This part might be needed if you have loose or damaged brake hose washers that cause problems like brake fluid leaks. Brake hose washers sit between the hoses and calipers, preventing fluid leaks and maintaining pressure. The braking system needs the brake hose washers to help ensure the vehicle brakes correctly.

System

Braking System

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Brake Light Bulb

The Brake Light Bulb is a safety component that lights up when the brakes of a vehicle are activated. This is done to improve the vehicle’s visibility and to send a signal to other drivers on the road that it is slowing down. Brake light bulbs are essential in driving conditions with poor visibility because they make the vehicle easier to see. The brake light bulb can be found inside the taillight assembly, located at the back of the vehicle.

System

Car Lights

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Brake Light Relay

Also known as the brake light switch, the Brake Light Relay sends a signal to the powertrain control module (PCM) and brake lights whenever the driver steps on the brake pedal. This allows the driver to shift out of park and turn their vehicle on. The brake light relay is typically attached above the brake pedal, where it completes a circuit that turns the brake lights on after the driver steps on the brakes.

System

Braking System

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Brake Light Socket

The Brake Light Socket connects and secures the brake light bulb to the vehicle. The socket prevents the bulb from moving around and ensures it receives both electricity and the signals relayed from the brake switch.

System

Car Lights

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Brake Line

The Brake Line connects the master cylinder to each wheel, directing the pressure of the brake hydraulic system. It carries brake fluid from the master cylinder to the ABS hydraulic control unit, wheel cylinders, and brake calipers.

Most brake lines are double-walled and usually come in seamless or multiple-ply types.

System

Braking System

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Brake Master Cylinder

The Brake Master Cylinder converts the force applied to the brake pedal into hydraulic pressure to activate the brake calipers and pads at the wheels to stop the vehicle.

System

Braking System

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Brake Master Cylinder Adapter

The brake master cylinder adapter is a device or tool that allows you to change the brake fluid inside your brake master cylinder reservoir. It can act like a short length of tubing, funneling brake fluid into the brake reservoir cap or brake master cylinder without spilling. Brake master cylinder adapters can be made from metal or plastic. Some adapters can screw on the brake master cylinder reservoir. Others screw onto the brake master cylinder itself.

System

Braking System

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Brake Master Cylinder Cover

The Brake Master Cylinder Cover enhances the engine bay’s appearance by covering the brake master cylinder. This accessory might be needed if you want to make the engine bay look better or need to replace an existing brake master cylinder cover. It goes over the brake master cylinder, and it also keeps dirt and dust from directly accumulating on the brake reservoir.

System

Braking System

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Brake Master Cylinder Plug

The Brake Master Cylinder Plug is used to test the internal seal of the master cylinder for leaks. It does so by isolating the master cylinder from the rest of the brake system. Brake master cylinder plugs can differ in size, thread pitch, and material. They’re typically made of high-quality metal, such as steel and aluminum. Some are also zinc-plated to prevent rust and corrosion damage. You can buy brake master cylinder plugs in pairs or in a kit.

System

Braking System

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Brake Pad Pin

The Brake Pad Pin is a metal pin that connects the brake caliper to the caliper bracket on each vehicle wheel. The pins allow the caliper to float along the bracket, which results in more even and accurate braking. This design helps the brake caliper wear down more evenly. These pins are also occasionally called brake caliper guide pins because they guide the brake pads at an angle as they meet the brake discs.

System

Braking

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Brake Pad Sensor

The Brake Pad Sensor, also known as the brake pad indicator, keeps track of the thickness of a vehicle’s brake pad. These pads must be thick for the brake system to be responsive and effective. The more the brake pads are used, the more they wear down and thin due to friction. The brake pad sensor detects when brake pads become too worn and need to be replaced.

System

Braking System

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Brake Pedal Travel Sensor

A Brake Pedal Travel Sensor monitors brake pedal activity based on the driver’s braking intentions.

The brake pedal travel sensor relays the information to other systems to ensure responsive and safe braking.

System

Braking System

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Brake Pressure Gauge

The Brake Pressure Gauge is a tool that measures hydraulic pressure in a vehicle’s brake system. It’s important for the brake pressure in a vehicle to remain at the manufacturer’s recommended range. Deviating from the ideal brake pressure levels can negatively impact braking performance, potentially increasing the risk of a vehicle crash.

System

Braking System

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Brake Shoe Anchor Pin

The brake shoe anchor pin is attached to the backing plate of the brake shoe. The brake shoe anchor pin serves as a pivot point for the brake shoes. The anchor pin also attaches to return springs, which pull the brake shoes away from the brake drum. When the brake is engaged and the brake shoe is extended against the brake drum, the anchor pin is responsible for stopping the brake shoe from rotating with the brake drums.

System

Braking System

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Brake Shoe Equalizer Spring

The Brake Shoe Equalizer Spring ensures that the Jeep’s brake shoe applies an amount of force to the brake drum that’s equal to that generated by the other shoe. This part might be needed if the current or stock spring wore out or broke down. Brake shoe equalizer springs attach to the equalizer bar on the rear drum brakes. The equalizer bar relies on this part.

System

Braking System

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Brake Shoe Retaining Plate

The Brake Shoe Retaining Plate is a spring plate specifically designed to retain the brake shoes of a vehicle. Brake shoe retaining plates can vary in size and design. Some have two holes, while others only have one. You’ll have to check which plates are compatible with your vehicle’s brakes before purchasing. When servicing your brakes, it’s a good idea to check on this small component and replace it if necessary. 

System

Braking System

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Brake Shoe Retaining Spring

The Brake Shoe Retaining Spring, also known as the brake shoe hold-down spring, holds a vehicle’s brake shoes in place inside the drum brake assembly. These springs vary in shape and size depending on the type of drum brake assembly installed in the vehicle. Some springs attach to the rest of the drum brake assembly by hooking onto an eyelet in the backing plate.

System

Braking System

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Bulkhead Fitting

Bulkhead fittings are designed to allow fluid to flow freely from a tank to other plumbing connections. These fittings can give a tank an opening so that fluid can flow out. Each fitting has two sides. One is mounted on the inside of a tank and the other face is mounted outside. The outside face is typically threaded so that a hose can screw on it. Bulkhead fittings are typically made from milled aluminum, ensuring they can withstand high pressures and constant exposure to moisture or fluids.

System

Accessories

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Bull Bar

The Bull Bar is a metal device that protects the vehicle’s front from impacts during collisions, such as hitting large animals or objects. This part might be needed to replace a damaged bull bar or installed if your truck lacks one. The bull bar is installed in front of your vehicle, usually replacing the front bumper and front fenders. Parts mounted on the vehicle’s front, such as the grille assembly, rely on the bull bar to protect them from getting damaged.

System

Accessories

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Bump Steer Correction Kit

The Bump Steer Correction Kit is a set of tools that help correct the roll-center geometry. It includes engineered ball joints and rod ends to assist with this process. The tools in the kit can be used to raise the front roll center, which increases front roll resistance and reduces suspension compression in the front wheels while turning.

Correctly adjusting a vehicle’s roll center evenly distributes weight and improves tire contact, cornering speeds, and front-end grip.

System

Suspension

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Bumper Filler

A Bumper Filler fills in the gap between the bumper and vehicle body. It also minimizes the noise your bumper makes when it hits an object.

System

Car Body

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Bumper Grille

A Bumper Grille is the trim between the headlights, often designed in a mesh pattern. The grille sits in front of the engine bay and protects the radiator and other components from damage in case of collision with another car or object.

System

Car Body

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Bumper Guard

Bumper Guards are protective bumper accessories that help minimize damage in low-speed collisions. They come as bars or foam pads that are attached to the front or rear bumper.

System

Car Body

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About The Author
Written By Automotive and Tech Writers

The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.

Any information provided on this Website is for informational purposes only and is not intended to replace consultation with a professional mechanic. The accuracy and timeliness of the information may change from the time of publication.

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