2008 GM/Chev (HD) 4.8, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2007 GM 4.8L, ENGINE ECM - Part Number: 12617630, Serial Number: 86YPMUK180806A34, Service Number: 12612384, Displacement: 4.8L, Horsepower: 285, 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# 86YPMUK180806A34, Truck Year 2008, VIN 5B4KPD28X83434960 5B4KPD28X83434960