{
    "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
}
1991 GMC G3500
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
1991 GMC G3500

1991 GMC G3500 Knock Sensors

Refine by:

Shop Catalog

Showing 1 - 14 of 14 results
Sort by:
Knock Sensor, Screw-in Mounting Type, without Wiring Harness
Replacement
Knock Sensor, Screw-in Mounting Type, without Wiring Harness
Part Number: REPC311203
Guaranteed to Fit
$15.99
Vehicle Fitment
  • 1991 GMC G3500 Vandura Special 6 Cyl 4.3L
  • 1991 GMC G3500 Vandura 6 Cyl 4.3L
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
Motorad®
Knock Sensor
Part Number: MRD1KS1010
Guaranteed to Fit
$27.99
Vehicle Fitment
  • 1991 GMC G3500 Vandura Special 6 Cyl 4.3L
  • 1991 GMC G3500 Vandura 6 Cyl 4.3L
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.

GM Original Equipment Series Knock Sensor
AC Delco®
GM Original Equipment Series Knock Sensor
Part Number: AC213324
Guaranteed to Fit
$43.49
Vehicle Fitment
  • 1991 GMC G3500 Vandura 8 Cyl 5.7L transmissionmfrcode : THM700-R4/4L60/MD8, 1/4-18 NPTF Thread, Mating Connector With Leads Use PT308
  • 1991 GMC G3500 Rally STX 8 Cyl 5.7L transmissionmfrcode : THM700-R4/4L60/MD8, 1/4-18 NPTF Thread, Mating Connector With Leads Use PT308
  • 1991 GMC G3500 Vandura Special 8 Cyl 5.7L transmissionmfrcode : THM700-R4/4L60/MD8, 1/4-18 NPTF Thread, Mating Connector With Leads Use PT308
  • 1991 GMC G3500 Rally 8 Cyl 5.7L transmissionmfrcode : THM700-R4/4L60/MD8, 1/4-18 NPTF Thread, Mating Connector With Leads Use PT308
  • 1991 GMC G3500 Vandura Special 6 Cyl 4.3L transmissionmfrcode : THM700-R4/4L60/MD8, 1/4-18 NPTF Thread, Mating Connector With Leads Use PT308
  • 1991 GMC G3500 Vandura 6 Cyl 4.3L transmissionmfrcode : THM700-R4/4L60/MD8, 1/4-18 NPTF Thread, Mating Connector With Leads Use PT308
  • 1991 GMC G3500 Magnavan 8 Cyl 5.7L transmissionmfrcode : THM700-R4/4L60/MD8, 1/4-18 NPTF Thread, Mating Connector With Leads Use PT308
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 5.7L transmissionmfrcode : THM700-R4/4L60/MD8, 1/4-18 NPTF Thread, Mating Connector With Leads Use PT308
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
Knock Sensor
Walker Products®
Knock Sensor
Part Number: WKP24291034
Guaranteed to Fit
$38.49
Vehicle Fitment
  • 1991 GMC G3500 Vandura Special 6 Cyl 4.3L Eng. VIN: Z
  • 1991 GMC G3500 Vandura 6 Cyl 4.3L Eng. VIN: Z
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.

Knock Sensor, Sold individually
GPD®
Knock Sensor, Sold individually
Part Number: GPD1811736
Guaranteed to Fit
$23.49
Vehicle Fitment
  • 1991 GMC G3500 Vandura 8 Cyl 7.4L Ignition Knock Sensor
  • 1991 GMC G3500 Rally STX 8 Cyl 5.7L Ignition Knock Sensor
  • 1991 GMC G3500 Vandura Special 8 Cyl 5.7L Ignition Knock Sensor
  • 1991 GMC G3500 Rally 8 Cyl 5.7L Ignition Knock Sensor
  • 1991 GMC G3500 Vandura Special 6 Cyl 4.3L Ignition Knock Sensor
  • 1991 GMC G3500 Vandura 6 Cyl 4.3L Ignition Knock Sensor
  • 1991 GMC G3500 Magnavan 8 Cyl 7.4L Ignition Knock Sensor
  • 1991 GMC G3500 Magnavan 8 Cyl 5.7L Ignition Knock Sensor
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 5.7L Ignition Knock Sensor
  • 1991 GMC G3500 Vandura 8 Cyl 5.7L Ignition Knock Sensor
  • 1991 GMC G3500 Vandura Special 8 Cyl 7.4L Ignition Knock Sensor
  • 1991 GMC G3500 Rally 8 Cyl 7.4L Ignition Knock Sensor
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 7.4L Ignition Knock Sensor
  • 1991 GMC G3500 Rally STX 8 Cyl 7.4L Ignition Knock Sensor
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.

Knock Sensor
Walker Products®
Knock Sensor
Part Number: 2421023
Guaranteed to Fit
$35.49
Vehicle Fitment
  • 1991 GMC G3500 Rally STX 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Vandura 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Vandura 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Vandura Special 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Rally 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Vandura Special 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Rally 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Magnavan 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Magnavan 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Rally STX 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 5.7L Eng. VIN: K
Product Details
Notes : (1) Male Bullet Terminal; (1) Female Round ConnectorQuantity 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.

Standard T-Series Knock Sensor
Standard®
Standard T-Series Knock Sensor
Part Number: SIKS6T
Guaranteed to Fit
$25.49
Vehicle Fitment
  • 1991 GMC G3500 Rally STX 8 Cyl 5.7L
  • 1991 GMC G3500 Vandura 8 Cyl 5.7L
  • 1991 GMC G3500 Vandura 8 Cyl 7.4L
  • 1991 GMC G3500 Vandura Special 8 Cyl 7.4L
  • 1991 GMC G3500 Rally 8 Cyl 7.4L
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 7.4L
  • 1991 GMC G3500 Vandura Special 8 Cyl 5.7L
  • 1991 GMC G3500 Rally 8 Cyl 5.7L
  • 1991 GMC G3500 Magnavan 8 Cyl 7.4L
  • 1991 GMC G3500 Magnavan 8 Cyl 5.7L
  • 1991 GMC G3500 Rally STX 8 Cyl 7.4L
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 5.7L
Product Details
Quantity Sold : Sold individuallyWarranty : 1-year or 12,000-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 T-Series
Standard OE Replacement Knock Sensor
Standard®
Standard OE Replacement Knock Sensor
Part Number: SIKS6
Guaranteed to Fit
$39.99
Vehicle Fitment
  • 1991 GMC G3500 Rally STX 8 Cyl 5.7L
  • 1991 GMC G3500 Vandura 8 Cyl 5.7L
  • 1991 GMC G3500 Vandura 8 Cyl 7.4L
  • 1991 GMC G3500 Vandura Special 8 Cyl 7.4L
  • 1991 GMC G3500 Rally 8 Cyl 7.4L
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 7.4L
  • 1991 GMC G3500 Vandura Special 8 Cyl 5.7L
  • 1991 GMC G3500 Rally 8 Cyl 5.7L
  • 1991 GMC G3500 Magnavan 8 Cyl 7.4L
  • 1991 GMC G3500 Magnavan 8 Cyl 5.7L
  • 1991 GMC G3500 Rally STX 8 Cyl 7.4L
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 5.7L
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
Knock Sensor
Walker Products®
Knock Sensor
Part Number: 2421034
Guaranteed to Fit
$29.99
Vehicle Fitment
  • 1991 GMC G3500 Vandura Special 6 Cyl 4.3L Eng. VIN: Z
  • 1991 GMC G3500 Vandura 6 Cyl 4.3L Eng. VIN: Z
Product Details
Notes : 54.17 mm Length; (1) Male Blade Terminal; (1) Female Round Connector; 14 mm Threaded End DiameterQuantity 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.

Standard OE Replacement Knock Sensor
Standard®
Standard OE Replacement Knock Sensor
Part Number: SIKS7
Guaranteed to Fit
$37.49
Vehicle Fitment
  • 1991 GMC G3500 Vandura Special 6 Cyl 4.3L
  • 1991 GMC G3500 Vandura 6 Cyl 4.3L
Product Details
Replaces 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 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.

Series : Standard OE ReplacementInterchange Part Number : REPC311203, 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, SU154
Knock Sensor
Delphi®
Knock Sensor
Part Number: DEAS10016
Guaranteed to Fit
$48.99
Vehicle Fitment
  • 1991 GMC G3500 Vandura 8 Cyl 7.4L
  • 1991 GMC G3500 Vandura Special 8 Cyl 7.4L
  • 1991 GMC G3500 Rally 8 Cyl 7.4L
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 7.4L
  • 1991 GMC G3500 Magnavan 8 Cyl 7.4L
  • 1991 GMC G3500 Rally STX 8 Cyl 7.4L
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.

Knock Sensor
Walker Products®
Knock Sensor
Part Number: WKP24291023
Guaranteed to Fit
$47.99
Vehicle Fitment
  • 1991 GMC G3500 Rally STX 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Vandura 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Vandura 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Vandura Special 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Rally 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Vandura Special 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Rally 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Magnavan 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Magnavan 8 Cyl 5.7L Eng. VIN: K
  • 1991 GMC G3500 Rally STX 8 Cyl 7.4L Eng. VIN: N
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 5.7L Eng. VIN: K
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.

Knock Sensor
Motorad®
Knock Sensor
Part Number: MRD1KS1020
Guaranteed to Fit
$43.99
Vehicle Fitment
  • 1991 GMC G3500 Rally STX 8 Cyl 5.7L
  • 1991 GMC G3500 Vandura 8 Cyl 5.7L
  • 1991 GMC G3500 Vandura 8 Cyl 7.4L
  • 1991 GMC G3500 Vandura Special 8 Cyl 7.4L
  • 1991 GMC G3500 Rally 8 Cyl 7.4L
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 7.4L
  • 1991 GMC G3500 Vandura Special 8 Cyl 5.7L
  • 1991 GMC G3500 Rally 8 Cyl 5.7L
  • 1991 GMC G3500 Magnavan 8 Cyl 7.4L
  • 1991 GMC G3500 Magnavan 8 Cyl 5.7L
  • 1991 GMC G3500 Rally STX 8 Cyl 7.4L
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 5.7L
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.

OE Replacement Series Knock Sensor
AC Delco®
OE Replacement Series Knock Sensor
Part Number: AC21392
Guaranteed to Fit
$58.49
Vehicle Fitment
  • 1991 GMC G3500 Rally STX 8 Cyl 5.7L transmissionmfrcode : THM-R2/MT1
  • 1991 GMC G3500 Vandura 8 Cyl 5.7L transmissionmfrcode : THM-R2/MT1
  • 1991 GMC G3500 Vandura 8 Cyl 7.4L Button Type Term, 1/4-18 Thd
  • 1991 GMC G3500 Vandura Special 8 Cyl 7.4L Button Type Term, 1/4-18 Thd
  • 1991 GMC G3500 Rally 8 Cyl 7.4L Button Type Term, 1/4-18 Thd
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 7.4L Button Type Term, 1/4-18 Thd
  • 1991 GMC G3500 Vandura Special 8 Cyl 5.7L transmissionmfrcode : THM-R2/MT1
  • 1991 GMC G3500 Rally 8 Cyl 5.7L transmissionmfrcode : THM-R2/MT1
  • 1991 GMC G3500 Magnavan 8 Cyl 7.4L Button Type Term, 1/4-18 Thd
  • 1991 GMC G3500 Magnavan 8 Cyl 5.7L transmissionmfrcode : THM-R2/MT1
  • 1991 GMC G3500 Rally STX 8 Cyl 7.4L Button Type Term, 1/4-18 Thd
  • 1991 GMC G3500 Rally Camper Special 8 Cyl 5.7L transmissionmfrcode : THM-R2/MT1
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 : OE Replacement Series
Page 1 of 1 | Showing 1 - 14 of 14 results

Top Rated Products

Replacement Knock Sensor, Screw-in Mounting Type, without Wiring Harness
$15.99( Review)
Excellent corrosion inside pin ! Works great so far
Angela G.
VERIFIED PURCHASER

Popular Products

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.