How to replace Knock Sensor 1 on GMC Sierra 3500 Classic?

You must start by removing the tire and wheel on the left front side of the vehicle. Disconnect the engine wiring harness electrical connector through the wheel well opening from the knock sensor. Start by removing the knock sensor bolt (739) after disconnecting the knock sensor (718). Application starts with placing the knock sensor (718) on the engine block then installing the knock sensor bolt (739) while tightening it to 25 N.m (18 lb ft). Reconnect the engine wiring harness electrical connector to the knock sensor then install the left front wheel with its tire.

OEM GMC Sierra 3500 Classic Knock Sensor

Engine Knock Sensor

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2 Knock Sensors found

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GMC Sierra 3500 Classic 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:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS
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GMC Sierra 3500 Classic Knock Sensor Part Number: 12591312
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaces: 10456500
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS

GMC Sierra 3500 Classic Knock Sensor

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GMC Sierra 3500 Classic Knock Sensor Parts Questions & Experts Answers

Knock Sensor
12589867
Q: How to replace Knock Sensor 1 on GMC Sierra 3500 Classic?
A:
You must start by removing the tire and wheel on the left front side of the vehicle. Disconnect the engine wiring harness electrical connector through the wheel well opening from the knock sensor. Start by removing the knock sensor bolt (739) after disconnecting the knock sensor (718). Application starts with placing the knock sensor (718) on the engine block then installing the knock sensor bolt (739) while tightening it to 25 N.m (18 lb ft). Reconnect the engine wiring harness electrical connector to the knock sensor then install the left front wheel with its tire.