(Used) 2008 GM/Chev (HD) 4.8L ENGINE ECM - Part Number: 1269209, Serial Number: 86YRUCK19121F2DM, Service Number: 12625455, Displacement: 4.8L, Horsepower: 285, ESN: 52119L173, Part Number: 52G8D285A, Engine: P-46797, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921