2009 GM/Chev (HD) V8, 4.8L, Gas, Truck Delivery, Engine Assys, Fits to: Workhorse Custom Chassis W42, (Used) 2009 GM/Chev (HD), ENGINE ASSEMBLY- Displacement: 4.8L, Serial Number: 52119M131, 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 ., Serial# 52119M131, Casting# 52119M131 5B4JPD28893437711