(Used) 2010 GM/Chev (HD) 4.8, ENGINE ECM- Part Number: 12635858, Serial Number: 86AAKAK20130454C, Family Number: AGMXE04.8581, Displacement: 4.8L, Horsepower: 230, Type Plug: 2 Rectangular, Pin Plug: 1 Plug of 80 Pins, 1 Plug of 73 Pins, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921