Engines | Mounts, , (USED) 1996 Mack E7-350 Diesel Engine (MECHANICAL FUEL PUMP), Serial # 6J1843, 328,947 Miles, Perfect Runner!!! Test Run 10-6-15, Fully Inspected!! Visit jjrebuilders.com for more information on this or any other diesel engine. Call 1-800-971-3019. INV # 002670