2010 GM/Chev (HD) 4.8, Truck Delivery, Engine Assys, Fits to: Workhorse Custom Chassis W42, (Used) 2009 GM/Chev (HD), ENGINE ASSEMBLY- Displacement: 4.8L, Horsepower: 279, 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 279, Serial# N/A, Truck Year 2010 5B4KFD2D1A3441396