2004 Isuzu 8GF1XS, Truck Delivery, Engine Assys, Fits to: GMC C5500, (Used) 2003 ISUZU 8GF1SX, ENGINE ASSEMBLY- LRM PREFIX ISUZU, 6.6L, 300 GROSS HP @ 3250 RPM 6.6L ISUZU 300 HP PWR OPTION(LRM) Family Number: 3SZXH06.64RA, Displacement: 6.6L, Horsepower: 300, Part Number: 8973187970, E.C.S.: 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 300, Serial# 8973187970, Casting# LRM 1GDE5C1114F506483