2004 GM/Chev (HD) 6.6L, Truck Delivery, Engine Assys, Fits to: Chevrolet C4500, (Used) 2003 GM/Chev (HD) 6.6L, ENGINE ASSEMBLY- Displacement: 6.6L, Horsepower: 300, 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 300, Serial# TBD, Truck Year 2004 1GBE4E1144F507974