Compatible with Cadillac Models:
Escalade 2002-2006 Escalade ESV 2003-2006 Escalade EXT 2002-2006

Compatible with Chevrolet Models:
Astro 2003-2005 Avalanche 1500 2002-2006
Express 1500 2003-2008
Express 2500 2003-2005 with 7300 lb GVW
Silverado 1500 1999 with Dual Piston Caliper
Silverado 1500 2000-2004
Silverado 1500 2005-2006/Silverado 1500 Classic 2007 with Rear Disc Brake
Suburban 1500 2000-2006
Tahoe 2000-2004
Tahoe 2005-2006 RWD, without Police Package/4WD(4-Wheel Drive)

Compatible with GMC Models:
Safari 2003-2005 Savana 1500 2003-2005
Savana 2500 2003-2005 with 7300 lb GVW
Sierra 1500 1999 with Dual Piston Caliper
Sierra 1500 2000-2004
Sierra 1500 2005-2006/Sierra 1500 Classic 2007 with Rear Disc Brake
Yukon 2002-2006/Yukon XL 1500 2002-2006 exc. V8 5.7L

Compatible with Chevrolet Models:
Silverado 2500 2002 Silverado 2500 HD Classic 2007
Silverado 3500 2004-2006 GM Brake Code JH6(4-Wheel Disc, 9900 LBS)
Silverado 3500 Classic 2007 GM Brake Code JH6(4-Wheel Disc, 9900 LBS)
Silverado 3500 HD 2010 GM Brake Code JH6(4-Wheel Disc, 9900 LBS)
Suburban 2500 2007-2013

Compatible with GMC Models:
Sierra 2500 HD 2001-2010 Sierra 2500 HD Classic 2007
Sierra 3500 2004-2006 GM Brake Code JH6(4-Wheel Disc, 9900 LBS)
Sierra 3500 Classic 2007 GM Brake Code JH6(4-Wheel Disc, 9900 LBS)
Sierra 3500 HD 2007-2009 GM Brake Code JH6(4-Wheel Disc, 9900 LBS)

Compatible with Hummer Models:
H2 2003-2008