Application: Make Model Year Engine Body Type Location Chevrolet Silverado 2500 HD 2007-2010 V8 6.0L Regular Cab, Rear Pickup Chevrolet Silverado 2500 HD 2007-2010 V8 6.6L Regular Cab, Rear Pickup GMC Sierra 2500 HD 2007-2010 V8 6.0L Regular Cab, Rear Pickup GMC Sierra 2500 HD 2007-2010 V8 6.6L Regular Cab, Rear Pickup Bed Length 97.6 in., 4WD, Automatic Transmission, 6L90 Transmission, 133.0 in. Wheelbase OE Number: 946-057, 10383400 Location: Rear Quantity Sold: One Note: Fits 4WD, Not Fits RWD Note 2: Fits Only for Regular Cab Pickup, Not fit for Extended Cab Pickup Note 3: Only fit for 97.6″ bed and 133.0″ wheelbase Note 4: Not fit for 78.8″ bed and 153.00″ wheelbase