2008 GM/Chev (HD) 4.8, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2007 GM/Chev (HD) 4.8, ENGINE ECM- Part Number: 12617630, Serial Number: 86YPMUK180935WM3, Family Number: 8GMXH04.8581, Displacement: 4.8L, Horsepower: 230, ECS: SFI, TWC, H02S, 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, Serial# 86YPMUK180935WM3, Truck Year 2008, VIN 5B4KPD28983434870 5B4KPD28983434870