2010 GM/Chev (HD) 4.8, TRUCK DELIVERY, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2010 GM 4.8L, ENGINE ECM- Serial Number: 86AAKAK201091T1H Part Number: 12635858, Service Number: 12633238 Displacement: 4.8L, Horsepower: 255, Engine: P-36257 Truck: 672421 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# 86AAKAK201091T1H, Truck Year 2010, VIN 5b4kfd2dxa3441364 5b4kfd2dxa3441364