6X Fuel Injector 5254261 5254261PX For Cummins ISB QSB engines 6.7L 044512017

0445120177, 5254261, 5254261NX, 5254261PX, 5254261RX. Fit for Cummins Engine: QSB 6.7L, ISB 6.7L, QSB 4.5L. Fit for Freightliner Cummins 6.7L Trucks. Fit for Freightliner Cummins 6.7L School Bus. Fit for Thomas Cummins 6.7L School Bus.