Fits the following vehicles: 2008 Allure, LaCrosse 2004-2007 Rainier 2004-2007 CTS 2002-2008 Escalade, Escalade EXT 2003-2008 Escalade ESV 2007-2008 Avalanche 2003-2006 Avalanche 1500 1997-2008 Corvette 2003-2008 Express 1500, 2500, 3500 2006-2008 Impala 2006-2007 Monte Carlo 2003-2008 Silverado 1500, 2500 HD 2007 Silverado 1500 Classic, 1500 HD Classic, 2500 HD Classic, 3500 Classic 2003-2006 Silverado 1500 HD, 3500 2002-2004 Silverado 2500 2007-2008 Silverado 3500 HD 2003-2006 SSR 2002-2008 Suburban 1500, Tahoe 2003-2008 Suburban 2500 2006-2008 Trailblazer 2003-2006 Trailblazer EXT 2005-2008 Envoy 2003-2006 Envoy XL 2004-2005 Envoy XUV 2003-2008 Savana 1500, 2500, 3500 2003-2008 Sierra 1500, 2500 HD 2007 Sierra 1500 Classic, 1500 HD Classic, 2500 HD Classic, 3500 Classic 2003-2006 Sierra 1500 HD, 3500 2003-2004 Sierra 2500 2007-2008 Sierra 3500 HD 2002-2008 Yukon, Yukon XL 1500 2003-2008 Yukon XL 2500 2003-2008 H2 2006-2008 H3 2008-2009 G8 2005-2008 Grand Prix 2004-2006 GTO Replaces part numbers: 12677836, D1846A, 926040, PS308, 12585328, Dorman 926-040, 12614969, 12616646, 1S6713 This is a compatible replacement part manufactured by AA Ignition. This Oil Pressure Sensor is NOT a genuine OEM part. Vehicle makes and their associated vehicle models and part numbers are used in this listing only to identify the vehicles this Oil Pressure Sensor fits.