Fuel Injector 4954801 4326639 4921360 4088430 compatible for Cummins Engine QSK78 Generator HSK78GFuel Injector 4954801 4326639 4921360 4088430 for Cummins Engine QSK78 Generator HSK78G Condition: New Part Note: For the new part, we advise you replace the whole set together, Because the oil output and atomization concentration of Genuine and parts are different, they cannot be mixed to work for the same engine. Replace Part Number: 4088430,4088430NX,4088430PX,4088430RX,4326639,4326639NX,4326639PX,4326639RX,