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Mazda Knock Sensors

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Knock Sensor
Replacement
Knock Sensor
Part Number: RF31120001
Vehicle Info Required to Guarantee Fit
$11.04
Product Details
Configuration : 2 Blade Female Terminal & 1 Male ConnectorReplaces OE Number : XL3Z12A699BA, 1F2218921Quantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Phthalates, 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.

Interchange Part Number : KS126, XL3Z12A699BA, 1F2218921Returns Policy : 30-Day Return Policy
Knock Sensor, 4 Cyl., 2.0L Engine, Direct Mounting Type, With Wiring Harness
Replacement
Knock Sensor, 4 Cyl., 2.0L Engine, Direct Mounting Type, With Wiring Harness
Part Number: REPM311204
Vehicle Info Required to Guarantee Fit
$13.00
Product Details
Notes : Direct mounting type; With wiring harnessConfiguration : 1-Prong Blade Female Terminal; 1 Male ConnectorReplaces OE Number : 72945, 170815, 716632, 1581026, 2133759, 19139107, 2KNC0270, 5S2262, DKS638, FS7H18921A, FS7N18921, FS7N18921A, ID0172, S8788, SBA3793, SU5788Quantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Phthalates, 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.

Interchange Part Number : KS188, 72945, 170815, 716632, 1581026, 2133759, 19139107, 2KNC0270, 5S2262, DKS638, FS7H18921A, FS7N18921, FS7N18921A, ID0172, S8788, SBA3793, SU5788Returns Policy : 30-Day Return Policy
242-1052 Knock Sensor
Walker Products®
242-1052 Knock Sensor
Part Number: 2421052
Vehicle Info Required to Guarantee Fit
$28.99
Product Details
Notes : 40.75 mm Length; (2) Female Blade Terminals; (1) Male Rectangular Connector; Includes Wiring HarnessQuantity 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.

1811832 Knock Sensor, Sold individually
GPD®
1811832 Knock Sensor, Sold individually
Part Number: GPD1811832
Vehicle Info Required to Guarantee Fit
$107.99
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.

KS144 Standard Intermotor Knock Sensor
Standard®
KS144 Standard Intermotor Knock Sensor
Part Number: SIKS144
Vehicle Info Required to Guarantee Fit
$94.99
Product Details
Notes : Screw-in mounting type; With wiring harnessConfiguration : 2 Female Terminals & Male ConnectorReplaces OE Number : JEB318921AQuantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard 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 : Standard Intermotor
1811751 Knock Sensor Sold individually, 6-Speed
GPD®
1811751 Knock Sensor Sold individually, 6-Speed
Part Number: GPD1811751
Vehicle Info Required to Guarantee Fit
$20.49
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.

1811843 Knock Sensor
GPD®
1811843 Knock Sensor
Part Number: GPD1811843
Vehicle Info Required to Guarantee Fit
$47.49
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.

KS219 Standard Intermotor Knock Sensor
Standard®
KS219 Standard Intermotor Knock Sensor
Part Number: SIKS219
Vehicle Info Required to Guarantee Fit
$41.49
Product Details
Notes : 19 in. harness length; With wiring harnessConfiguration : 2 Male Terminals & Female ConnectorReplaces OE Number : AJ5718921, AJ5718921AQuantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard 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 : Standard Intermotor
1811834 Knock Sensor
GPD®
1811834 Knock Sensor
Part Number: GPD1811834
Vehicle Info Required to Guarantee Fit
$19.99
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.

KS126 Standard OE Replacement Knock Sensor
Standard®
KS126 Standard OE Replacement Knock Sensor
Part Number: SIKS126
Vehicle Info Required to Guarantee Fit
$29.99
Product Details
Notes : With wiring harnessQuantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard 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 : Standard OE ReplacementInterchange Part Number : RF31120001
242-1063 Knock Sensor
Walker Products®
242-1063 Knock Sensor
Part Number: 2421063
Vehicle Info Required to Guarantee Fit
$24.99
Product Details
Notes : 42.69 mm Length; (2) Female Blade Terminals; (1) Male Square Connector; Includes Wiring HarnessQuantity 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.

1811824 Knock Sensor
GPD®
1811824 Knock Sensor
Part Number: GPD1811824
Vehicle Info Required to Guarantee Fit
$44.49
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.

1811934 Knock Sensor, Sold individually
GPD®
1811934 Knock Sensor, Sold individually
Part Number: GPD1811934
Vehicle Info Required to Guarantee Fit
$23.99
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.

1811804 Knock Sensor
GPD®
1811804 Knock Sensor
Part Number: GPD1811804
Vehicle Info Required to Guarantee Fit
$21.99
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.

242-1098 Knock Sensor
Walker Products®
242-1098 Knock Sensor
Part Number: WKP2421098
Vehicle Info Required to Guarantee Fit
$22.49
Product Details
Notes : (1) Connector Quantity; (2) Terminal Quantity; 369 mm Wiring Harness Length; Blade Terminal Type; Rectangular Connector Shape; Male Connector Gender; Female Terminal Gender; Wiring Harness 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.

Page 1 of 5 | Showing 1 - 15 of 70 results

Top Rated Products

Replacement Knock Sensor
$11.04( Review)
Very quick to ship and always the correct part.
Mike T.
VERIFIED PURCHASER

Popular Products

1811832 Knock Sensor, Sold individually
GPD®
1811832 Knock Sensor, Sold individually
Part No: GPD1811832
( Review)
$107.99
242-1052 Knock Sensor
Walker Products®
242-1052 Knock Sensor
Part No: 2421052
( Review)
$28.99
9.3105 Knock Sensor
Facet®
9.3105 Knock Sensor
Part No: FAC93105
( Review)
$25.49
1KS1029 Knock Sensor
Motorad®
1KS1029 Knock Sensor
Part No: MRD1KS1029
( Review)
$36.49

Product Questions & Answers

GPD 1811934 Knock Sensor, Sold individually
$23.99
Q:what is the main function of this knock sensor in the car?
A shopper
A:BEST ANSWERHi, It records knocking noise in all engine operating states in order to prevent engine damage. Show less
Arnel E.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

P0334 Code: Knock Sensor 2 Circuit Intermittent (Bank 2)
P0334 Code: Knock Sensor 2 Circuit Intermittent (Bank 2)Diagnostic trouble code (DTC) P0334 stands for “Knock Sensor 2 Circuit Intermittent Bank 2.” The code is set once the powertrain control module (PCM) doesn’t receive the right signal from the knock sensor located in Bank 2.
8 of the Most Important Car Sensors You Should Know About
8 of the Most Important Car Sensors You Should Know AboutThese sensors also play an important role in optimizing your vehicle’s overall performance. They help the PCM adjust the fuel mixture and regulate ignition timing, among other things. The Most Common Types of Car Sensors
P0326 Code: Knock Sensor 1 Circuit Range / Performance Bank 1
P0326 Code: Knock Sensor 1 Circuit Range / Performance Bank 1Knocking refers to the unwanted vibration and noise that could damage an engine. This is typically the result of fuel with too low of an octane rating, overly advanced ignition timing, or extreme engine operating temperatures. The PCM may also perceive an internal engine problem, such as a failed rod