How to replace the Knock Sensor (KS) on Chevrolet Silverado 1500?

Proper replacement of the Knock Sensor (KS) requires Distributor detachment followed by disconnection of the Knock Sensor electrical connector and removal of the Knock Sensor bolt before removing the sensor. Start Knock Sensor installation by putting the Knock Sensor into place but always follow the instructions provided in the service precautions fastener notice. Secure the Knock Sensor bolt to a torque of 25 n.m (18 lb ft). Begin by installing the Knock Sensor electrical connector and finishing up by reinstalling the Distributor.

OEM Chevrolet Silverado 1500 Knock Sensor

Engine Knock Sensor

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8 Knock Sensors found

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Chevrolet Silverado 1500 Knock Sensor Part Number: 12623730
$13.47 MSRP: $25.30
You Save: $11.83 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Ignition Knock (Detonation) Sensor
- Replaces: 12570125
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Knock Sensor Part Number: 21024981
$32.61 MSRP: $61.25
You Save: $28.64 (47%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaced by: 19434673
- Replaces: 21024729
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2004 Chevrolet Silverado 1500 | Base, LS, LT, WT | 6 Cyl 4.3 L GAS
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Chevrolet Silverado 1500 Knock Sensor Part Number: 12623095
$23.43 MSRP: $44.02
You Save: $20.59 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LS, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Knock Sensor Part Number: 12589867
$65.81 MSRP: $133.68
You Save: $67.87 (51%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaces: 10456603
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2006 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Knock Sensor Part Number: 12590195
$22.72 MSRP: $42.39
You Save: $19.67 (47%)
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 Chevrolet Silverado 1500 | Base, LS, LT, WT | 6 Cyl 4.3 L GAS
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Chevrolet Silverado 1500 Knock Sensor Part Number: 12663209
$4.12 MSRP: $7.73
You Save: $3.61 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, LT, LT Trail Boss, RST, WT | 4 Cyl 2.7 L GAS
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Chevrolet Silverado 1500 Knock Sensor Part Number: 12600327
$14.90 MSRP: $27.97
You Save: $13.07 (47%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Silverado 1500 | LS, WT | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Silverado 1500 Knock Sensor Part Number: 10456075
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2000 Chevrolet Silverado 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS

Chevrolet Silverado 1500 Knock Sensor

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Chevrolet Silverado 1500 Knock Sensor Parts and Q&A

Knock Sensor
12589867
Q: How to replace the Knock Sensor (KS) on Chevrolet Silverado 1500?
A:
Proper replacement of the Knock Sensor (KS) requires Distributor detachment followed by disconnection of the Knock Sensor electrical connector and removal of the Knock Sensor bolt before removing the sensor. Start Knock Sensor installation by putting the Knock Sensor into place but always follow the instructions provided in the service precautions fastener notice. Secure the Knock Sensor bolt to a torque of 25 n.m (18 lb ft). Begin by installing the Knock Sensor electrical connector and finishing up by reinstalling the Distributor.