Bosch DLLA145P2183 Common Rail Injector Nozzle

The DLLA145P2183 is a common rail diesel injector nozzle manufactured to Bosch OEM specifications (stamping number DLLA145P2183, Bosch part number 0433172183). It serves as the critical spray component for the Bosch 0445110390 injector assembly. Constructed from high-speed tool steel to withstand extreme injection pressures and thermal cycling, it features a 145-degree spray angle optimized for specific combustion bowl geometries. This nozzle is a non-serviceable wear item requiring precise installation procedures and calibration. It interfaces directly with the injector needle valve and control valve assembly. Compatibility is strictly defined by the injector assembly part number 0445110390. Cross-reference interchange includes aftermarket manufacturer designations from Zhonglutong, Xingma, ERIKC, ORLTL, and Delcoribo. Verification of injector assembly part number is mandatory prior to installation.