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2021 Chevrolet Blazer

2021 Chevrolet Blazer Knock Sensors

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Knock Sensor
Part Number: MRD1KS1031
Guaranteed to Fit
$25.49
Vehicle Fitment
  • 2021 Chevrolet Blazer LT 6 Cyl 3.6L
  • 2021 Chevrolet Blazer RS 6 Cyl 3.6L
  • 2021 Chevrolet Blazer True North 6 Cyl 3.6L
  • 2021 Chevrolet Blazer Premier 6 Cyl 3.6L
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Knock Sensor
Part Number: AC12663209
Guaranteed to Fit
$5.49
Vehicle Fitment
  • 2021 Chevrolet Blazer LT 4 Cyl 2.0L Engine Des: LSY, Engine Vin: 4, FWD, Without Retainer Or Bolt
Product Details
Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Knock Sensor
Part Number: WKP2421329
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 2021 Chevrolet Blazer L 4 Cyl 2.5L
  • 2021 Chevrolet Blazer LT 4 Cyl 2.5L
Product Details
Quantity Sold : Sold individuallyWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Knock Sensor
Part Number: MRD1KS1347
Guaranteed to Fit
$23.49
Vehicle Fitment
  • 2021 Chevrolet Blazer L 4 Cyl 2.5L
  • 2021 Chevrolet Blazer LT 4 Cyl 2.5L
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Knock Sensor
Part Number: WKP2421101
Guaranteed to Fit
$20.99
Vehicle Fitment
  • 2021 Chevrolet Blazer LT 6 Cyl 3.6L
  • 2021 Chevrolet Blazer RS 6 Cyl 3.6L
  • 2021 Chevrolet Blazer True North 6 Cyl 3.6L
  • 2021 Chevrolet Blazer Premier 6 Cyl 3.6L
Product Details
Notes : (1) Connector Quantity; (2) Terminal Quantity; 49.78 mm Length; Blade Terminal Type; Oblong Connector Shape; Female Connector Gender; Male Terminal Gender; Mounting Hardware IncludedQuantity Sold : Sold individuallyWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

GM Original Equipment Series Knock Sensor
Part Number: AC12623095
Guaranteed to Fit
$22.49
Vehicle Fitment
  • 2021 Chevrolet Blazer L 4 Cyl 2.5L Engine Des: LCV, Engine Vin: A, FWD, Tier 3 Federal Emission System(Ntb), Ulev70 California Emissions(Nub)
  • 2021 Chevrolet Blazer LT 4 Cyl 2.5L Engine Des: LCV, Engine Vin: A, FWD, Tier 3 Federal Emission System(Ntb), Ulev70 California Emissions(Nub)
Product Details
Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment Series
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Helpful Automotive Resources

P0334 Code: Knock Sensor 2 Circuit Intermittent (Bank 2)
P0334 Code: Knock Sensor 2 Circuit Intermittent (Bank 2)The knock sensor generates a low amount of electricity while the engine is running.   A code P0334 will be stored if the PCM detects an unusual signal from knock sensor 2.
P0324 Code: Knock Control System Error
P0324 Code: Knock Control System ErrorThe knock sensor is part of the knock control system that includes its connector, wiring, and the PCM. Most sensors are attached to the engine block, cylinder head, or intake manifold. In most engines, there is a knock sensor for every cylinder bank. There are some engine designs that have
P0333 Code: Knock Sensor 2 Circuit High Bank 2
P0333 Code: Knock Sensor 2 Circuit High Bank 2The algorithms in the ECM/PCM are set up in such a way that spurious knocking noises not related to combustion are ignored. – Richard McCuistian, ASE Certified Master Automobile Technician
8 of the Most Important Car Sensors You Should Know About
8 of the Most Important Car Sensors You Should Know AboutAs a driver, you must know what these sensors are and how they contribute to your vehicle’s performance. Here are some of the most common car sensors you should know about. Oxygen Sensor The oxygen (O2) sensor measures the exhaust’s oxygen content.
P0326 Code: Knock Sensor 1 Circuit Range / Performance Bank 1
P0326 Code: Knock Sensor 1 Circuit Range / Performance Bank 1A knock sensor is a one-wire or two-wire sensor mounted on a cylinder block, and it detects engine knocking. “Knock sensor 1” in this code refers to the first sensor (if there are two), while “bank 1” refers to the side of the engine with cylinder #1.
P0328 Code: Knock Sensor 1 Circuit High (Bank 1 )
P0328 Code: Knock Sensor 1 Circuit High (Bank 1 )Knock sensors are devices that are used to detect engine knock. This sensor is typically a two-wire sensor, though there are some devices that only have one wire. The knock sensor receives a 5-volt reference and returns a signal to the PCM.