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- Ensure proper engine functionality and ignition timing with an ACDelco Knock Sensor Harness
- Manufactured from high-quality materials to fend off corrosion for many years of service
- Undergoes rigorous try-on testing before leaving the factory
- Harness units available for a wide array of sub-models
- Your ACDelco Knock Sensor Connector carries a 1-year or 12,000-mile limited warranty