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

Chevrolet Blazer Knock Sensors

Refine by:

Shop Catalog

Showing 1 - 15 of 50 results
Display item:
15
30
45
Sort by:
Knock Sensor, Bolt Mounting Type
Part Number: RC31120004
Vehicle Info Required to Guarantee Fit
$9.99
Product Details
Notes : Bolt Mounting TypeConfiguration : 2 Blade Male Terminal & 1 Female ConnectorReplaces OE Number : 12605738, 12636736Quantity 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 : KS374, 12605738, 12636736Returns Policy : 30-Day Return Policy
Knock Sensor, Screw-In Mounting Type
Part Number: REPC311203
Vehicle Info Required to Guarantee Fit
$15.99
Product Details
Notes : Screw-in mounting type; Without wiring harnessConfiguration : 1-Prong Pin Male Terminal; 1 Female ConnectorReplaces OE Number : 21390, 29016, 32000, 72980, 144426, 213324, 716526, 1997699, 2421034, 10456018, 10456288, 24291034, 8104562880, 2KNC0029, 3H6, 5S2158, AS10015, AS10099, DKS209, DKS209SB, ID0107, KNS1004, KS31, KS7T, S8012, SBA3668, SU154Quantity 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 : KS7, 21390, 29016, 32000, 72980, 144426, 213324, 716526, 1997699, 2421034, 10456018, 10456288, 24291034, 8104562880, 2KNC0029, 3H6, 5S2158, AS10015, AS10099, DKS209, DKS209SB, ID0107, KNS1004, KS31, KS7T, S8012, SBA3668, SU154Returns Policy : 30-Day Return Policy
Knock Sensor
Part Number: REPC311204
Vehicle Info Required to Guarantee Fit
$13.50
Product Details
Notes : Without wiring harnessConfiguration : 1-Prong Pin Male Terminal; 1 Female ConnectorReplaces OE Number : 7018, 21394, 29036, 72830, 144412, 716542, 2421022, 10456075, 24291022, 8104560750, 2KNC0195, 5S2173, AS10001, AS10023, DKS203, ID0117, S8006, SBA3739, SU1126Quantity 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 : KS62, 7018, 21394, 29036, 72830, 144412, 716542, 2421022, 10456075, 24291022, 8104560750, 2KNC0195, 5S2173, AS10001, AS10023, DKS203, ID0117, S8006, SBA3739, SU1126Returns Policy : 30-Day Return Policy
1KS1031 Knock Sensor
Part Number: MRD1KS1031
Vehicle Info Required to Guarantee Fit
$25.49
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.

1KS1010 Knock Sensor
Part Number: MRD1KS1010
Vehicle Info Required to Guarantee Fit
$27.99
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.

KS41 Standard OE Replacement Knock Sensor
Part Number: SIKS41
Vehicle Info Required to Guarantee Fit
$47.49
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 Replacement
213-324 GM Original Equipment Series Knock Sensor
Part Number: AC213324
Vehicle Info Required to Guarantee Fit
$43.49
Product Details
Notes : 1/4 in. - 18 NPTF thread; Mating connector with leads use PT308Quantity 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 SeriesInterchange Part Number : REPC311203
AS10262 Knock Sensor
Part Number: DELAS10262
Vehicle Info Required to Guarantee Fit
$21.99
Product Details
Quantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile Delphi 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.

KS39 Standard OE Replacement Knock Sensor
Part Number: SIKS39
Vehicle Info Required to Guarantee Fit
$43.49
Product Details
Location : Passenger SideQuantity 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 Replacement
242-91034 Knock Sensor
Part Number: WKP24291034
Vehicle Info Required to Guarantee Fit
$38.49
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.

AS10014 Knock Sensor
Part Number: DEAS10014
Vehicle Info Required to Guarantee Fit
$36.49
Product Details
Quantity Sold : Sold individuallyProp 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.

KS115 Standard OE Replacement Knock Sensor
Part Number: SIKS115
Vehicle Info Required to Guarantee Fit
$25.99
Product Details
Quantity 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 Replacement
KS62 Standard OE Replacement Knock Sensor
Part Number: SIKS62
Vehicle Info Required to Guarantee Fit
$31.49
Product Details
Replaces OE Number : 7018, 21394, 29036, 72830, 144412, 716542, 2421022, 10456075, 24291022, 8104560750, 2KNC0195, 5S2173, AS10001, AS10023, DKS203, ID0117, S8006, SBA3739, SU1126Quantity 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 : REPC311204, 7018, 21394, 29036, 72830, 144412, 716542, 2421022, 10456075, 24291022, 8104560750, 2KNC0195, 5S2173, AS10001, AS10023, DKS203, ID0117, S8006, SBA3739, SU1126
12663209 Knock Sensor
Part Number: AC12663209
Vehicle Info Required to Guarantee Fit
$5.49
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.

242-1329 Knock Sensor
Part Number: WKP2421329
Vehicle Info Required to Guarantee Fit
$19.49
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.

Page 1 of 4 | Showing 1 - 15 of 50 results

Top Rated Products

Excellent corrosion inside pin ! Works great so far
Angela G.
VERIFIED PURCHASER
Great product and great service and price keep up the good work
Alvin S.
VERIFIED PURCHASER

Popular Products

242-91034 Knock Sensor
Part No: WKP24291034
( Review)
$38.49
1811765 Knock Sensor
Part No: GPD1811765
( Review)
$22.49
1KS1031 Knock Sensor
Part No: MRD1KS1031
( Review)
$25.49
AS10262 Knock Sensor
Part No: DELAS10262
( Review)
$21.99

Product Questions & Answers

Q:What size are the thread on this knock sensor?
Jeremy O.
A:BEST ANSWERHi Jeremy, I'm glad to help you out. This item has a 1/4" x 18 thread. Take advantage of the sale price for this item. Click this link to order this part: https://www.carparts.com/knock-sensor/standard/siks62?can=CPAP3648 I hope this helps. Happy shopping. Show less
Aldrin P.
 
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)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