Chassis ECM Transmission Fits 06-14 EXPRESS 1500 VAN 237677

AVALANCHE 1500 07-08 Transmission; (next to battery). ALLURE 06-09 Transmission; (lower air cleaner housing). SIERRA 1500 PICKUP 07 Transmission; (new style, smooth door skin), (next to battery). COBALT 06-10 Transmission; (LH strut tower).