How to Replace a Knock Sensor on 2004 Chevrolet S10?

In order to substitute the Knock Sensor (KS), you disconnect the negative battery cable, disconnect the distributor and fuel pipes, and disconnect the knock sensor harness. Take out the knock sensor with the retaining bolt. Install the new sensor and bolt, reattach the harness, reattach the fuel pipes and distributor, and reattach the battery cable.

OEM 2004 Chevrolet S10 Knock Sensor

Engine Knock Sensor

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2004 Chevrolet S10 Knock Sensor Part Number: 21024981
$32.61 MSRP: $61.25
You Save: $28.64 (47%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaced by: 19434673
- Replaces: 21024729
- Item Weight: 0.40 Pounds
- Item Dimensions: 2.0 x 2.1 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 21024981
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet S10 Submodels:
- Base, LS, Xtreme, ZR2, ZR5 | 6 Cyl 4.3 L GAS

2004 Chevrolet S10 Knock Sensor

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2004 Chevrolet S10 Knock Sensor Parts and Q&A

Q: How to Replace a Knock Sensor on 2004 Chevrolet S10?
A: In order to substitute the Knock Sensor (KS), you disconnect the negative battery cable, disconnect the distributor and fuel pipes, and disconnect the knock sensor harness. Take out the knock sensor with the retaining bolt. Install the new sensor and bolt, reattach the harness, reattach the fuel pipes and distributor, and reattach the battery cable.