ACDelco E38 Engine Control Module ECM PCM Service # 12633238 GM Chevy GMC
Service Number: 12633238. Model: E38 architecture. GMC: Sierra, Yukon, Savana, Denali. Cadillac: Escalade. Alpha Code: AA6A.
Service Number: 12633238. Model: E38 architecture. GMC: Sierra, Yukon, Savana, Denali. Cadillac: Escalade. Alpha Code: AA6A.