Compatible with: 2007-2009 GMC Envoy Saab 9-7x 5.3L, 2005-2007 Chevrolet Silverado 1500 2500 HD, 2005-2006 Chevrolet Avalanche 1500 HD 3500 GMC Sierra 1500 HD 2500HD 3500.
Compatible with: 2007-2008 Chevrolet Trailblazer, 2007 Silverado 3500 1500 HD Classic, 2007 GMC Sierra 1500 HD 2500 HD 3500 Classic, Hummer H2, Buick Rainier, 2006 Cadillac Escalade ESV EXT.