Engines | Mounts, , (USED) 1994 Mack E7-350 Diesel Engine (MECHANICAL FUEL PUMP), Serial # 4U0372, 321,478 Miles, Perfect Runner!!! Test Run 8-12-15, Fully Inspected!! Visit jjrebuilders.com for more information on this or any other diesel engine. Call 1-800-971-3019. INV # 002594