2008 GM/Chev (HD) 4.8, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2008 Workhorse GM/Chevy (HD) 4.8L ENGINE ECM - Part Number: 12633238, Serial Number: 86AAF7K20204W5WW, Warranty Security Tag: 177954, 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# 86AAF7K20204W5WW, Truck Year 2008, VIN 5b4kpd28783433488 5b4kpd28783433488