How to replace the Knock Sensor (KS) on GMC Safari?

Before starting ks replacement work disconnect the negative Battery Cable according to the battery disconnect caution. Our replacement process starts with removing engine protection followed by disconnecting the Knock Sensor harness connector. Finish the knob sensor bolt installation followed by the removal of the Knock Sensor itself. Start by installing your Knock Sensor and your Knock Sensor bolt according to the component fastener tightening notice and apply 25 n.m (18 lb ft) torque to the sensor bolt before tightening it. Reconnect the Knock Sensor harness connector before reinstalling the engine cover and lastly reconnect the negative Battery Cable.

OEM GMC Safari Knock Sensor

Engine Knock Sensor

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4 Knock Sensors found

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GMC Safari Knock Sensor
Part Number: 21024981
$31.97 MSRP: $60.05
You Save: $28.08 (47%)
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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:
- 2001-2005 GMC Safari | Base, SL, SLE, SLT | 6 Cyl 4.3 L GAS
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GMC Safari Knock Sensor
Part Number: 10456288
$47.03 MSRP: $95.53
You Save: $48.50 (51%)
Ships in 1-2 Business Days
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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:
- 1985-1992 GMC Safari | Base, SL, SLE, SLT, SLX | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
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GMC Safari 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:
- 1993-1995 GMC Safari | Base, GT, SL, SLE, SLT, SLX | 6 Cyl 4.3 L GAS
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GMC Safari 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:
- 1996-2000 GMC Safari | Base, SL, SLE, SLT, SLX | 6 Cyl 4.3 L GAS

GMC Safari Knock Sensor

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GMC Safari Knock Sensor Parts Questions & Experts Answers

Knock Sensor
21024981
Q: How to replace the Knock Sensor (KS) on GMC Safari?
A: Before starting ks replacement work disconnect the negative Battery Cable according to the battery disconnect caution. Our replacement process starts with removing engine protection followed by disconnecting the Knock Sensor harness connector. Finish the knob sensor bolt installation followed by the removal of the Knock Sensor itself. Start by installing your Knock Sensor and your Knock Sensor bolt according to the component fastener tightening notice and apply 25 n.m (18 lb ft) torque to the sensor bolt before tightening it. Reconnect the Knock Sensor harness connector before reinstalling the engine cover and lastly reconnect the negative Battery Cable.

Related GMC Safari Parts

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