2004 Mack AI 427, Truck Tractor, Engine Assys, Fits to: Mack CV713 Granite, (Used) 2003 Mack AI-427, ENGINE ASSEMBLY- Family Number: 4MKXH11.9V67, Displacement: 11.9L, Horsepower: 427, ESN: 4C1792, ECS: ASPL, 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 427, Serial# 4C1792, Casting# 4C1792 1M2AG11Y64M014411
