Compatible With】99-07 Sierra 1500 / 01-07 Sierra 1500 HD / 99-04 Sierra 2500 / 01-07 Sierra 2500 HD / 01-07 Sierra 3500HD / 99-06 Yukon / 00-06 Yukon XL 1500 / 00-06 Yukon XL 2500 / 2001 Sierra C3 / Does NOT Fit Denali Trims. For 2007, Fits Classic Models ONLY