Replaces OE Number: 12601822, 917-033, 213-3521, 213-362, 10456603, 12589867, AS10017, SU1282, S8696, KS116, 5S2172, 12597415, 15372170, 2133521, 8104566030, 8125898670. Fitment: For 2004-2005 Buick Rainier, For 2005-2007 Hummer H2, For 2003-2004 Isuzu Ascender, For 2004 Pontiac GTO, For 1999-2002 Pontiac Firebird, For 2005 Saab 9-7x.
Fitment: For Chevy, For 2007 Avalanche, For 2002-2006 Avalanche 2500, For 2002-2007 Avalanche 1500, For 2001-2002 C3500, For 1999-2002 Camaro, For 1999-2003 Corvette, For 2003-2007 Express 1500 2500 3500, For 1999-2006 Silverado 1500, For 2007 Silverado 1500 Classic, 1500 HD Classic, 2500 HD Classic, 3500 Classic, For 2001-2006 Silverado 1500 HD, 3500, For 1999-2004 Silverado 2500, For 2001-2004 Silverado 2500 HD, For 2000-2005 Suburban 1500, For 2000-2007 Suburban 2500, Tahoe, For 2004-2005 Trailblazer, Trailblazer EXT, For 2005 SSR, For 2001-2007 Tahoe.
Fitment: For GMC, For 2001-2002 C3500 HD, For 2005 Envoy, For 2003-2005 Envoy XL, Envoy XUV, Savana 1500, For 2003-2007 Savana 2500 3500, For 1999-2006 Sierra 1500, For 2007 Sierra 1500 Classic, 1500 HD Classic, 2500 HD Classic, 3500 Classic, For 2001-2006 Sierra 1500 HD, 2500 HD, 3500, For 1999-2004 Sierra 2500, For 2000-2007 Yukon, XL 1500 2500. For Cadillac, For 2004-2005 CTS, For 2002-2005 Escalade, Escalade EXT, For 2003-2005 Escalade ESV, For 2005 STS
Premium Quality: The knock sensor and wire harness are made of plastic and alloy. which is high temperature resistant, corrosion resistant, not easy to age and break, excellent electrical conductivity.
Function: The engine needs to ignite for the best performance and power. If the ignition time is too late or early, it may lead to engine vibration. The knock sensor detects this vibration and converts the results into an electronic signal transmitted to the ECU for correction of the ignition timing.
Package Included: 1 PCS Knock Sensor Harness and 2 PCS Knock Sensors. Please compare the original parts on your car with the pictures and check if the model, year, and part number of your car match the product details page to ensure that you have purchased the correct parts for your car.