Common Rail Fuel Injector 0445120177 5254261 For Cummins QS4.5 QSB6.7 Engine. 0445120177, 5254261, 5254261NX, 5254261PX, 5254261RX. Fit for Cummins Engine: QSB 6.7L, ISB 6.7L 4.5L 5.9L. Fit for Dodge Ram 1500, 2500, 3500, 700, 1500 Classic, 3500, 4000, ProMaster 1500, ProMaster 2500, ProMaster 3500, ProMaster City, ProMaster Rapid.
