Bosch original Common Rail Injector 0445120187 Diesel Engine Fuel Injector Assembly, Cross Reference 4983514, 0986435573, Replacement for 5256034, for 6.7L ISB Diesel Engine original new injector

Designed for demanding diesel fuel-injection systems, the BOSCH 0445120187 (0 445 120 187) is an original new CRIN3-18 common rail injector manufactured according to BOSCH OE specifiions. It supports precise fuel metering and efficient atomization under high-pressure delivery, helping optimize combustion, emissions performance and service life. ECU-controlled injection quantity and timing, solenoid actuation, control-valve opening and needle lift deliver fuel through precision nozzle holes. Listed benefits include improved fuel economy, lower emissions, increased engine power, reduced combustion noise and improved cold-start performance.
Compatibility covers Cummins ISB 6.7, QSB 6.7 and B6.7 engines, including industrial, commercial, generator and construction-equipment variants. Listed appliions include RAM 2500, 3500, 4500 and 5500 models, commercial trucks, heavy-duty vehicles, industrial power units, diesel generators, construction equipment and agricultural machinery. Cross references include 0986435573, 5256034, 5256034PX, 5256034NX, 4983514, 4983514RX, 68210512AA, R8210512AA, 0445120187RX, 0986435573X, F00E200419, 2411300011 and 2411306011, providing a broad reference set for replacement identifiion and sourcing.
For installation, clean the injector seat, fit a new copper washer and torque the clamp to the applicable OEM specifiion. Reconnect the return and high-pressure fuel lines, prime the system, perform a leak test and complete injector correction coding if required. These documented references and installation steps give distributors, fleet maintenance operations and equipment service teams a clear basis for product identifiion, replacement planning and professional fuel-system service.