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2021 Mazda 3
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2021 Mazda 3

2021 Mazda 3 Knock Sensors

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Knock Sensor
Beck Arnley®
Knock Sensor
Part Number: BEC1581714
Guaranteed to Fit
$56.99
Vehicle Fitment
  • 2021 Mazda 3 Premium 4 Cyl 2.5L
  • 2021 Mazda 3 2.5 Turbo Premium Plus 4 Cyl 2.5L
  • 2021 Mazda 3 Select 4 Cyl 2.5L
  • 2021 Mazda 3 GS 4 Cyl 2.5L
  • 2021 Mazda 3 Preferred 4 Cyl 2.5L
  • 2021 Mazda 3 2.5 Turbo 4 Cyl 2.5L
  • 2021 Mazda 3 100th Anniversary Edition 4 Cyl 2.5L
  • 2021 Mazda 3 GT 4 Cyl 2.5L
  • 2021 Mazda 3 2.5 S 4 Cyl 2.5L
Product Details
Quantity Sold : Sold individuallyWarranty : 1 year or 12,000-mile Beck Arnley 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
Walker Products®
Knock Sensor
Part Number: WKP2421203
Guaranteed to Fit
$62.49
Vehicle Fitment
  • 2021 Mazda 3 Premium 4 Cyl 2.5L
  • 2021 Mazda 3 2.5 Turbo Premium Plus 4 Cyl 2.5L
  • 2021 Mazda 3 Select 4 Cyl 2.5L
  • 2021 Mazda 3 GS 4 Cyl 2.5L
  • 2021 Mazda 3 2.0 4 Cyl 2.0L
  • 2021 Mazda 3 Preferred 4 Cyl 2.5L
  • 2021 Mazda 3 2.5 Turbo 4 Cyl 2.5L
  • 2021 Mazda 3 100th Anniversary Edition 4 Cyl 2.5L
  • 2021 Mazda 3 GX 4 Cyl 2.0L
  • 2021 Mazda 3 GT 4 Cyl 2.5L
  • 2021 Mazda 3 GS 4 Cyl 2.0L
  • 2021 Mazda 3 2.5 S 4 Cyl 2.5L
Product Details
Notes : (1) Connector Quantity; (2) Terminal Quantity; 48.32 mm Length; Blade Terminal Type; Square Connector Shape; Female Connector Gender; Male Terminal GenderQuantity 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.

Knock Sensor
GPD®
Knock Sensor
Part Number: GPD1815010
Guaranteed to Fit
$15.99
Vehicle Fitment
  • 2021 Mazda 3 Premium 4 Cyl 2.5L FI, DI, Naturally Aspirated, DOHC, GAS, Front Wheel Drive
  • 2021 Mazda 3 GS 4 Cyl 2.0L FI, DI, Naturally Aspirated, DOHC, GAS, Front Wheel Drive
Product Details
Quantity Sold : Sold individuallyWarranty : 1 year GPD 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.

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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.