Bosch original Common Rail Diesel Fuel Injector Assembly Cross Reference 0445120094 4935675 4945807 0445120120, for heavy duty diesel engine application original new injector

For high-pressure CRDI replacement sourcing, the BOSCH 0445120094 (0 445 120 094) is a brand-new OEM common rail diesel injector engineered for electronically controlled fuel injection. Manufactured to Bosch original equipment specifiions, it supports Euro III and Euro IV diesel appliions and operating pressures up to 1600 bar, depending on engine calibration. Cummins cross references include 3976372, 3973060, 3975929, 4937065, 4940170, and 4988835 for clear replacement identifiion.

Designed for Cummins ISBe 4.5/6.7, ISDe 4.5/6.7, QSB4.5, QSB6.7, B Series engines, and Cummins industrial power units, the injector combines precision nozzle manufacturing, multi-hole atomization, fast solenoid response, corrosion protection, and high-temperature resistance. Within the CRDI system, the ECU controls injection timing and the solenoid actuates the needle valve, helping deliver finely atomized fuel for efficient combustion, improved engine response, optimized torque, reduced combustion noise, and lower particulate emissions.

Its heavy-duty design suits trucks, buses, coaches, construction and mining equipment, agricultural tractors, generator sets, industrial power units, and marine auxiliary engines. Common rail capability also supports multiple injection events per cycle, improved fuel economy, and better cold-start performance. For dependable service, use high-quality diesel, replace fuel filters regularly, prevent water contamination, monitor rail pressure, and test injectors periodically. Installation should include bore cleaning, sealing washer replacement, OEM torque tightening, leak inspection, and injector coding where required.