How to service the Knock Sensor (KS) on GMC C2500?

A Knock Sensor (KS) servicing begins with Intake Manifold removal and then requires the Knock Sensor wiring harness assembly extraction before taking out the Knock Sensor (KS). After installing the Knock Sensor apply torque at 20 n.m (15 lb ft). The repair process starts with installing the Knock Sensor wiring harness assembly and ends with reintroducing the Intake Manifold into position.

OEM GMC C2500 Knock Sensor

Engine Knock Sensor

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7 Knock Sensors found

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GMC C2500 Knock Sensor Part Number: 10456549
$38.42 MSRP: $119.81
You Save: $81.39 (68%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); ESC Sensor
- Replaces: 10456031
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1995 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
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GMC C2500 Knock Sensor Part Number: 10456288
$47.98 MSRP: $97.45
You Save: $49.47 (51%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); ESC Sensor; Sensor, Engine Crankcase Ventilator
- Replaces: 10456018
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
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GMC C2500 Knock Sensor Part Number: 10456287
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Control Module; ESC Sensor; Sensor
- Replaces: 10456017
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1999 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.0 L GAS
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GMC C2500 Knock Sensor Part Number: 10456146
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); ESC Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 GMC C2500 | Sierra SL, Sierra SLE | 6 Cyl 4.3 L GAS
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GMC C2500 Knock Sensor Part Number: 10456019
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1995 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.0 L GAS
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GMC C2500 Knock Sensor Part Number: 10456232
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
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GMC C2500 Knock Sensor Part Number: 10456082
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); ESC Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 GMC C2500 | Sierra SL, Sierra SLE | 6 Cyl 4.3 L GAS

GMC C2500 Knock Sensor

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The GMC C2500 Knock Sensor is considered to be an important component which lays much emphasis on the dependability as well as power of GMC's popular full size pickup truck. Used also to help detect engine knock, the Knock Sensor is highly essential in adjusting the ignition timing so that there is limited detonation and to improve the efficiency of the engine. Regarding this feature, this is very important for the GMC C2500 especially that this model has been a brand of workhorses starting from 1960. The Knock Sensor works by piezoelectric method by detecting vibrations and transforming them into electrical signal and checking continuously to ensure that the GMC C2500 runs at its optimal even when the road conditions is rough. The compatibility with several C2500 models is a plus, as it easily fits various layouts, especially the last generation with a 6.5 L turbo diesel V8 engine. K opposing to the ordinary Knock Sensor which controls the overall cylinder timing and boost pressure, this car's Knock Sensor allows precise tuning for each cylinder and lower boost pressure, providing better performance while reducing the chances of a damaged engine. The GMC C2500 Knock Sensor can be singled out among the other similar products on auto market as it is more durable and efficient in operation, thus fitting perfectly into the GMC C2500 assembly. Thus, with such testing and efficiency, the Knock Sensor does not fail to keep the GMC C2500 as one of its coveted pickup trucks with remarkable performance.

GMC C2500 Knock Sensor Parts and Q&A

Knock Sensor
10456288
Q: How to service the Knock Sensor (KS) on GMC C2500?
A:
A Knock Sensor (KS) servicing begins with Intake Manifold removal and then requires the Knock Sensor wiring harness assembly extraction before taking out the Knock Sensor (KS). After installing the Knock Sensor apply torque at 20 n.m (15 lb ft). The repair process starts with installing the Knock Sensor wiring harness assembly and ends with reintroducing the Intake Manifold into position.