(Used) 2001 MACK E7, ENGINE ASSEMBLY- Part Number: 4889YP1, Serial Number: 1M0107, Family Number: 1MKXH11.9H56, Displacement: 11.9L, Horsepower: 355, E.C.S.: 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