{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": true,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": true,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": true,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": true,
    "zipPaymentFlag": "c",
    "hassleFreeReturn": true,
    "lifetimeReplacement": true,
    "cpn_off": false
}
Select your vehicle

Mercury Knock Sensors

Refine by:

Shop Catalog

Showing 1 - 15 of 68 results
Display item:
15
30
45
Sort by:
Knock Sensor
Part Number: RF31120002
Vehicle Info Required to Guarantee Fit
$12.21
Product Details
Configuration : 2 Blade Female Terminal & 1 Male ConnectorReplaces OE Number : 4L3Z12A699AAQuantity 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 : KS228, 4L3Z12A699AAReturns Policy : 30-Day Return Policy
Knock Sensor
Part Number: SET-RF31120002-2
Vehicle Info Required to Guarantee Fit
$22.99
Product Details
Components : (2) Knock SensorsConfiguration : 2 Blade Female Terminal & 1 Male ConnectorReplaces OE Number : 4L3Z12A699AAQuantity Sold : Set of 2Warranty : 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 : KS228, 4L3Z12A699AAReturns Policy : 30-Day Return Policy
Knock Sensor
Part Number: N311201
Vehicle Info Required to Guarantee Fit
$8.99
Product Details
Notes : Without wiring harnessConfiguration : 2 Blade Male Terminal & 1 Female ConnectorReplaces OE Number : 2206030P00Quantity 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 : KS79, 2206030P00Returns Policy : 30-Day Return Policy
Knock Sensor
Part Number: SET-N311201-2
Vehicle Info Required to Guarantee Fit
$16.99
Product Details
Notes : Without wiring harnessComponents : (2) Knock SensorsConfiguration : 2 Blade Male Terminal & 1 Female ConnectorReplaces OE Number : 2206030P00Quantity Sold : Set of 2Warranty : 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 : KS79, 2206030P00Returns Policy : 30-Day Return Policy
Knock Sensor
Part Number: REPN311201
Vehicle Info Required to Guarantee Fit
$9.99
Product Details
Notes : Without wiring harnessConfiguration : 2 Blade Male Terminal & 1 Female ConnectorReplaces OE Number : 220607B000Quantity 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 : KS107, 220607B000Returns Policy : 30-Day Return Policy
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
1KS1004 Knock Sensor
Part Number: MRD1KS1004
Vehicle Info Required to Guarantee Fit
$44.49
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.

Promotions : Labor Day Sale
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.

1KS1013 Knock Sensor
Part Number: MRD1KS1013
Vehicle Info Required to Guarantee Fit
$32.99
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.

Promotions : Labor Day Sale
UBA1581716 Knock Sensor
Part Number: BEC1581716
Vehicle Info Required to Guarantee Fit
$58.49
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.

242-91024 Knock Sensor
Part Number: WKP24291024
Vehicle Info Required to Guarantee Fit
$58.99
Product Details
Quantity 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.

1811734 Knock Sensor
Part Number: GPD1811734
Vehicle Info Required to Guarantee Fit
$22.99
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.

242-1060 Knock Sensor
Part Number: 2421060
Vehicle Info Required to Guarantee Fit
$29.49
Product Details
Notes : (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.

KS57 Standard OE Replacement Knock Sensor
Part Number: SIKS57
Vehicle Info Required to Guarantee Fit
$20.49
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 : REPF311201
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.

Page 1 of 5 | Showing 1 - 15 of 68 results

Top Rated Products

Worked as described
Amare F.
VERIFIED PURCHASER
Great price
Michael S.
VERIFIED PURCHASER

Popular Products

1811734 Knock Sensor
Part No: GPD1811734
( Review)
$22.99
242-1052 Knock Sensor
Part No: 2421052
( Review)
$28.99
Knock Sensor
Part No: RF31120002
( Review)
$12.21
1KS1004 Knock Sensor
Part No: MRD1KS1004
( Review)
$44.49
UBA1581716 Knock Sensor
Part No: BEC1581716
( Review)
$58.49

Helpful Automotive Resources

P0334 Code: Knock Sensor 2 Circuit Intermittent (Bank 2)
P0334 Code: Knock Sensor 2 Circuit Intermittent (Bank 2)P0334 is a genetic trouble code related to a fault in this sensor. Know more about it through this article. What Does the P0334 Code Mean? The knock sensor is vital to maintaining the proper operation of your engine.
8 of the Most Important Car Sensors You Should Know About
8 of the Most Important Car Sensors You Should Know AboutMost vehicles nowadays are equipped with many different sensors that alert the powertrain control module (PCM) when they detect problems. These issues can range from a simple gas cap issue to more pressing problems like a potential internal engine failure.
P0326 Code: Knock Sensor 1 Circuit Range / Performance Bank 1
P0326 Code: Knock Sensor 1 Circuit Range / Performance Bank 1Diagnostic trouble code (DTC) P0326 stands for “Knock Sensor 1 Circuit Range/Performance Bank 1.” It is set once the powertrain control module (PCM) determines that the signal from the knock sensor has fallen outside of the specified range. It may also be logged if the PCM fails to detect a