

4.8, 5.3 & 6.0L. 5.3l. Corvette. 2nd design. 5.7L, without locating tab. Hummer H2. CTS. 5.7l. SSR. GTO. 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 | 12589867 |
| SKU | 12589867 |
| Product | Genuine GM Ignition Knock (Detonation) Sensor 12589867 |
| Replaces | 10456603 |
ONLY PART REFERENCE #9 ON THE DIAGRAM IS INCLUDED
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