2008 GM/Chev (HD) V8, 4.8L, Gas, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2008 GM 4.8L, ECM- Model: YPMU, Part Number: 12617630, Serial Number: 86YPMUK1809291VR, Service Number: 12612384, 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# 86YPMUK1809291VR, Casting# 86YPMUK1809291VR, Truck Year 2008 5b4kpd28x83434800