Bosch 0445120199 Common Rail Injector Assembly

The Bosch 0445120199 is a solenoid-actuated common rail injector designed for the Cummins ISLe Euro IV (ISLE EU4) diesel engine platform. It features the CRIN3-18 injector generation architecture and utilizes the DLLA146P2161 nozzle assembly with a 3.5 mm orifice diameter for precise fuel atomization. The injector assembly integrates the F00RJ02506 valve set (control valve) and is calibrated to meet Euro IV emission standards. Primary OEM cross-reference is Cummins part number 4994541 (also referenced as D4994541, C4994541). This unit serves as a direct replacement for factory-installed equipment on heavy-duty trucks, construction machinery, and power generation units equipped with the Cummins ISLe 8.9L engine.