Fuel Systems, , MACK E7, Fuel Injector, (USED) OEM MACK FUEL INJECTOR PART # HNM780322 FOR SALE, OTHER PART # HNM780358, STOCK #1975 ALL OURPARTSARETESTEDAND SHIPPRIORITY MAIL!OVERNIGHT SHIPPINGOPTIONS ARE AVAILABLE! CONTACT US FOR MORE INFORMATION!CALL(305)688-1101