Optimize your vehicle's performance with the ACDelco Ignition Knock (Detonation) Sensor, engineered for precision and reliability. This essential component monitors engine vibrations, ensuring optimal timing and preventing potential damage.
- Designed specifically for GM vehicles, including Buick, Cadillac, Chevy, GMC, Oldsmobile, and Pontiac, ensuring a perfect fit and function.
- Helps maintain engine efficiency by detecting knocking or detonation, which can lead to improved fuel economy and performance.
- Sold individually, making it easy to replace worn or faulty sensors without unnecessary extras.
- Part of the ACDelco GM Genuine Parts line, known for its quality and durability in demanding conditions.
This knock sensor is sold individually and does not include a module or wiring harness. Upgrade your vehicle's engine management system with the ACDelco 21392 for reliable performance.
Trust ACDelco for quality auto parts that enhance your vehicle's longevity and efficiency.