2007 Caterpillar C7, Truck Delivery, Engine Assys, Fits to: Chevrolet C8500, (Used) 2006 CATERPILLAR C7 ACERT ENGINE ASSEMBLY- Family Number: 6CPXH0442HBK, Displacement: 7.2L, Horsepower: 250, Ar. No.: 264-5507, Serial Number: WAX52190, ECS: EM, DI, TC, ECM, CAC, CAT, 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 250, Serial# WAX52190, Casting# WAX52190 1GBP8C1C47F403668