Fits the following 2008 GMC Sierra Submodels:
- CREW CAB 1 TON, EXTENDED CAB 1 TON, REGULAR CAB 1 TON, REGULAR CAB 6'6" BOX 1/2 TON | 6 Cyl 4.3L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L Flex, 8 Cyl 6.6L Diesel