2008 GM/Chev (HD) 4.8, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2009 GM 4.8L, ENGINE ECM- Part Number: 1267630, Serial Number: 86YPMUR1811077STH Serv Number: 12633238, Model: YOMU, Engine: P-32947, Displacement: 4.8L, Horsepower: 255, 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# OTHER, Truck Year 2008, VIN 5B4KPD28283435052 5B4KPD28283435052