Bosch Y431K05141 Common Rail Fuel Injector Assembly

Technical specification for Bosch common rail fuel injector assembly part number Y431K05141, also referenced as Y431K05205, Y431K05249, Y431K05420, and Bosch engineering numbers F00BL0J019 and F00BL0J020. This injector serves as a direct replacement for Cummins OEM part numbers 4928106, 4924587, and 4964170. Designed for Cummins QSK19, K19, and KTA19 series heavy-duty diesel engines, this unit operates within high-pressure common rail systems up to 1,800 bar. It features a solenoid-actuated multi-hole nozzle for precise fuel atomization and combustion efficiency. The injector body is constructed from high-strength alloy steel with hardened needle and control valve components to withstand extreme cyclic pressures. Remanufactured to OEM standards including 100% replacement of wear components, nozzle calibration, and flow testing on Bosch EPS 815 test benches. Suitable for construction machinery, mining equipment, and power generation applications utilizing the Cummins QSK19 platform.