2002 Mack Other, Truck Tractor, Engine Assys, Fits to: Mack CH612, (Used) 2001 Mack E7-355/380, ENGINE ASSEMBLY- Family Number: 1MKXH11.9H59, Displacement: 11.9L, Horsepower: 355, Serial Number: 1J2553, ECS: SPL, 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 355, Serial# 1J2553, Casting# 1J2553 1m1aa09y72w025343