SIERRA 1500 PICKUP 01-02 6.0L, (AT), w/o engine oil cooler. SIERRA 1500 PICKUP 05-06 4.8L, AT. AVALANCHE 1500 05-06 w/o body cladding. SIERRA 1500 PICKUP 05-06 5.3L, w/o hybrid option. AVALANCHE 1500 07-08 5.3L, w/o heavy duty transmission cooling system.
