▶ COMPATIBILITY: Compatible with 1999-2006 Chevy Silverado 1500 2500 3500; 2001-2006 Chevy Silverado 1500 HD, 2500 HD, 3500 HD; 2007 Chevy Silverado 1500 Classic, 3500 Classic, 1500 HD Classic, 3500 HD Classic; 1999-2006 GMC Sierra 1500 2500 3500; 2001-2006 GMC Sierra 1500 HD, 2500 HD and 3500 HD; 2007 GMC Sierra 1500 Classic, 3500 Classic, 1500 HD Classic and 3500 HD Classic; not for 1999 Old Body model, not for 2007 New Body model.
