2008 Workhorse Custom Chassis W42, Truck Delivery, Body ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2008 GM 4.8L, BCM- Model: AAF7, Part Number: 12633238, Serial Number: 86AAF7K29340WHY0, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Truck Year 2008, VIN 5B4KPD28783433989, Part# 12633238 5B4KPD28783433989