Dual Knock Sensors & Wire Harness Intake Manifold Gasket Kit for Chevy GM LS1 LQ4 LQ9 6.0 5.3 5.7 Replace OE Part Numbers: 10456603, 12589867, 12601822, 8104566030, 12575869, 12597415, 12601822, 917-033 Manufacturer Part Number: 12601,89060413, MS92211, MS4657, MS18007 Package Included: 1x 12601822 Knock Sensor Harness, 2x 213-3 Sensors, 2x 89060413 Gaskets Fits for Buick Rainier 2004-2005 Fits for Ca-dil-lac CTS 2004-2005 Fits for Ca-dil-lac Escalade 2002-2007 Fits for Ca-dil-lac STS 2005 Fits for Avalanche 2007 Fits for Avalanche 1500 2500 2002-2006 Fits for C1500 Suburban 1999 Fits for C3500 Pickup 2001-2002 Fits for Camaro 1999-2002 Fits for Express 1500 2500 3500 2003-2007 Fits for Silverado 1500 2500 1999-2006 Fits for Silverado 1500 2500 3500 Classic 2007 Fits for Silverado 3500 2001-2006 Fits for SSR 2005 Fits for Suburban 1500 2500 2000-2007 Fits for Tahoe 2000-2007 Fits for Trailblazer 2003-2005 Fits for GMC C3500 Pickup 2001-2002 Fits for GMC Envoy 2003-2005 Fits for GMC Savana 1500 2500 3500 2003-2007 Fits for GMC Sierra 1500 2500 1999-2006 Fits for GMC Sierra 1500 2500 3500 Classic 2007 Fits for GMC Sierra 3500 2001-2006 Fits for GMC Yukon 2000-2007 Fits for GMC Yukon XL 1500 2500 2000-2007 Fits for Hummer H2 2005-2007 Fits for Isuzu Ascender 2003-2004 Fits for Pontiac Firebird 1999-2002 Fits for Pontiac GTO 2004 Fits for Saab 9-7X 2005