2008 GM/Chev (HD) 4.8, TRUCK DELIVERY, Engine Assys, Fits to: Workhorse Custom Chassis W42, (Used) 2008 GM/Chev (HD) V8, 4.8L Gas, ENGINE ASSEMBLY- Displacement: 4.8L, Horsepower: 285, Serial Number: 52121J061, Part Number: 52G8D285A, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Horse Power 285, Serial# 52121J061, Truck Year 2008 5B4KPD28783434429