(Used) 2007 GM/Chev (HD) 4.8, ENGINE ECM- Part Number: 12629209, Serial Number: 86YRUCK18218LR2P, Displacement: 4.8L, Horsepower: 285, Type Plug: 2 Rectangular, Pin Plug: 1 Plug of 80 Pins, 1 Plug of 73 Pins, Damage Plug, check pictures, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921