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2001 GMC C3500HD
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Lifetime Replacement
2001 GMC C3500HD

2001 GMC C3500HD Knock Sensors

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Knock Sensor, 8 Cyl., 8.1L Engine -
Replacement
Knock Sensor, 8 Cyl., 8.1L Engine -
Part Number: RC31120009
Guaranteed to Fit
$8.49
Vehicle Fitment
  • 2001 GMC C3500HD Base 8 Cyl 8.1L
Product Details
Notes : Direct - Mounting type; (1) Terminal Quantity; Female Connector Gender; Round Connector Shape; Male Terminal Gender; Plug in Connector Type; Pin Terminal Type; 1/4 x 18 Thread SizeReplaces OE Number : 10456500, 12591312, 213338, 38613014, 3861301Quantity 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 : KS112, 10456500, 12591312, 213338, 38613014, 3861301Returns Policy : 30-Day Return Policy
Knock Sensor
Walker Products®
Knock Sensor
Part Number: WKP2421392
Guaranteed to Fit
$43.49
Vehicle Fitment
  • 2001 GMC C3500HD Base 8 Cyl 8.1L
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.

Standard OE Replacement Knock Sensor
Standard®
Standard OE Replacement Knock Sensor
Part Number: SIKS112
Guaranteed to Fit
$41.49
Vehicle Fitment
  • 2001 GMC C3500HD Base 8 Cyl 8.1L
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.

Series : Standard OE ReplacementInterchange Part Number : RC31120009
GM Original Equipment Series Knock Sensor
AC Delco®
GM Original Equipment Series Knock Sensor
Part Number: AC2132829
Guaranteed to Fit
$53.99
Vehicle Fitment
  • 2001 GMC C3500HD Base 8 Cyl 8.1L 159.5 in. Wheelbase
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 : GM Original Equipment Series
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Product Questions & Answers

AC Delco GM Original Equipment Series Knock Sensor
$53.99
Q:Do these sensors have an 1) an engraved part number and 2) a blue paint dot on them? Show Less
Bumble bee
A:BEST ANSWERHi Damon, thanks for initiating contact. Yes, this sensor typically features an engraved part number and a blue paint dot. These markings are common identifiers found on genuine AC Delco knock sensors to ensure authenticity and proper installation. If the vehicle information matches this product, click the link below for direct ordering to take advantage of our ongoing discount and limited stocks. Happy shopping. https://www.carparts.com/knock-sensor/ac-delco/ac2132829?can=CPGG4850_CSQA_20240515 Show less
Grace G.
 
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)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.