Compatible with Cadillac Models CTS V8 5.7L 2004-2005, Escalade ESV V8 6.0L 2003-2006, Escalade V8 5.3L 2002-2005; Chevrolet Models Avalanche 1500 2002-2006, Express 1500 V8 5.3L 2003-2007, Camaro 1999-2002, Corvette V8 5.7L 1999-2004, Express 2500/3500 V8 4.8L/V8 6.0L 2003-2007, Silverado 1500 V8 4.8L/V8 5.3L 1999-2006, Silverado 1500 Classic V8 4.8L/V8 5.3L/V8 6.0L 2007, Silverado 1500 HD V8 6.0L 2001-2003/2005-2006, Silverado 2500 V8 5.3L 1999-2000, SSR/Trailblazer EXT V8 5.3L 2003-2004, Suburban 1500 V8 5.3L 2000-2006, Tahoe V8 4.8L/V8 5.3L 2000-2006; GMC Models Envoy XL V8 5.3L 2003-2004, Savana 1500 V8 5.3L 2003-2007, Savana 2500 V8 5.3L 2003-2005, Savana 3500 V8 4.8L 2004-2007, Sierra 1500/2500 HD/3500/Yukon XL 1500 V8 6.0L 2001-2006, Sierra 1500 HD V8 6.0L 2001-2003/2005-2006, Sierra 2500 V8 5.3L 1999-2000, Yukon V8 4.8L/V8 6.0L 2000-2001/2003-2006, Yukon XL 2500 V8 6.0L 2000-2006; Avanti Models II V8 5.7L 2001-2001; Buick Models Rainier V8 5.3L 2004-2004