SMMS Engine Knock Sensors with Wiring Harness Kit for Chevy Silverado for GMC Sierra for Cadillac Escalade EXT ESV for Pontiac for Buick Rainier for Hummer H2 Replace OE 12589867
VEHICLE FITMENT I - It is compatible with Chevy Avalanche 02-07| C3500 01-02| Camaro 99-02| Corvette 99-03| Express 03-07| Silverado 99-07| Suburban 00-07| Trailblazer EXT 04-05| SSR 05| Tahoe 01-07; for Saab 9-7x 05; for Isuzu Ascender 03-04
VEHICLE FITMENT II - It is compatible with GMC C3500HD 01-02| Envoy 03-05| Savana 03-07| Sierra 99-07| Yukon 00-07; for Cadillac CTS STS 04-05| Escalade 02-05; for Pontiac GTO 04| Firebird 99-02; for Buick Rainier 04-05; for Hummer H2 05-07
OE NUMBER - 12589867, 10456603, 8104566030, 2133521, 12601822, 12597415, 15372170, 917-033. Please check your model. Any questions can ask for us before buying
FUNCTIONS - The knock sensor detects engine knock caused by uncontrolled combustion. The harness transmits these signals to the ECU, which then adjusts the engine timing and fuel mixture to prevent damage and optimize performance
SERVICE - If you're not completely satisfied with the SMMS Knock Sensors Harness Kit, you can return it within 30 days. You also enjoy a 12-month warranty, making your purchase completely risk-free