2012 GM/Chev (HD) 4.8, TRUCK DELIVERY, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2012 GM/Chev (HD) 4.8, ENGINE ECM- ECM Model: E38, Part Number: 12653852, Serial Number: 86ABHBK22206P68P, Serv. Number: 12633238, Engine information- Family Number: CGMXE04.8581, Displacement: 4.8L, Fuel: Gasoline, 1 Rectangular Plug with 73 Pins, 1 Rectangular Plug with 80 Pins, Reference images for condition. For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 86ABHBK22206P68P, Casting# 86ABHBK22206P68P, Truck Year 2012 5B4KFD2D8C3450633