Bosch 0445120010 Common Rail Injector Assembly

The Bosch 0445120010 is a solenoid-type common rail injector belonging to the 120 series (CRIN1-14/16 performance class). It is designed for high-pressure direct injection diesel systems operating at rated pressures up to 1600 bar. The injector assembly utilizes the DLLA145P999 nozzle and the F00RJ00339 valve set. A matching copper gasket F00RJ02175 (dimensions 7.73 x 14.36 x 1.49 mm) is required for sealing. This component serves as a direct replacement for OEM references including 5010550954, 503135258, 5010477370, and 5015509540. Primary applications cover Cummins ISB series engines installed in Komatsu hydraulic excavators, Renault Midlum series trucks, Fiat Ducato 2.8 JTD vans, and Dongfeng commercial vehicles equipped with Cummins or Dongfeng Dragon series engines. The injector features electromagnetic actuation for precise fuel metering and combustion control in heavy-duty on-highway and off-highway machinery.