

4.3L. Sends signals to the engine control module (ECM) to adjust timing Helps prevent damage to the engine caused by pre-ignition
| Brand | GM |
|---|---|
| Manufacturer Part Number | 12600327 |
| SKU | 12600327 |
| Product | Genuine GM Ignition Knock (Detonation) Sensor 12600327 |
ONLY PART REFERENCE #5 ON THE DIAGRAM IS INCLUDED
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