2010 GM/Chev (HD) 4.8, TRUCK DELIVERY, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2009 GM/Chev (HD) V8 4.8L, ENGINE ECM - Part Number: 12633238, Serial Number: 86AAF7K21008V6VF, Displacement: 4.8L Horsepower: 270, Engine: P-46921, 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# 86AAF7K21008V6VF, Truck Year 2010, VIN 5B4JFD2D4A3441906 5B4JFD2D4A3441906