2003 GM/Chev (HD) 6.6L DURAMAX, Truck Delivery, Engine Assys, Fits to: GMC C4500, (Used) 2003 Isuzu LB7 DURAMAX 6.6, ENGINE ASSEMBLY- Family Number: 3SZXH06.64RA, Displacement: 6.6L, Horsepower: 210, Part Number: 8973187960, ECS: CAC, TC, DFI, 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 210, Serial# TBD, Truck Year 2003 1GDE4E1173F505397