Cummins Fuel Injector 4326640 4984457 Compatible for Cummins Engine QSK78

Condition: New Aftermarket Part

Note: For the new aftermarket part, we advise you replace the whole set together, Because the oil output and atomization concentration of Genuine and aftermarket parts are different, they cannot be mixed to work for the same engine.

Replace Part Number: 4326640,4326640NX,4326640PX,4326640RX,4984457,4984457NX

Fit for Cummins Engine: QSK78