2016 SILVERADO SIERRA 2500 TRANSMISSION ALLISON AUTOMATIC 4X4 6.6L DURAMAX 6AKH
6AKH 102825. SIERRA 2500 PICKUP 16 AT; 6.6L, 4×4, ID 6AKH. SIERRA DENALI 2500 16 AT; 6.6L, 4×4, ID 6AKH. SILVERADO 2500 PICKUP 16 AT; 6.6L, 4×4, ID 6AKH. Parts Grading. Pick up at our facilities is available.