2008 GM/Chev (HD) 4.8, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2008 GM/Chevy (HD) 4.8L,ENGINE ECM- ECM Model: E38, Part Number: 12617630, Serial Number: 86YPMUK180787BYL, Service Number: 12612384, Engine: GM/Chevy (HD) 4.8L, Horsepower: 285, J1 Plug Pins: 73 Pins Plug, J2 Plug Pins: 80 Pins Plug, Warranty Security Tag: 178169, 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# 86YPMUK180787BYL, Casting# 86YPMUK180787BYL, Truck Year 2008 5B4KPD28383434654