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Common Rail Injector 0445120199 0 445 120 199 4994541 0433172161 for BOSCH CUMMINS DONGFENG Truck YUTONG Bus ISLE EU4

The 0445120199 Bosch CRIN3-18 Common Rail Injector is an original equipment (OE) high-pressure diesel fuel injector designed for use with Cummins ISLe340, ISLe375, QSL8.9, and QSL9 series engines, widely deployed in heavy-duty trucks, luxury coaches, and construction machinery. As part of the Bosch CRIN3 (Common Rail Injector Nozzle) generation, this unit supports ultra-high injection pressures up to 1,800 bar, enabling precise multi-pulse fuel delivery—including pilot, main, and post-injection—to improve combustion efficiency, reduce engine noise, lower NOx emissions, and enhance fuel economy.

Featuring advanced internal components such as the DLLA146P2161 nozzle tip and F00RJ02506 solenoid control valve, it delivers exceptional atomization quality and long-term reliability under extreme operating conditions.

Used across Dongfeng Tianlong, Yutong, King Long, and various off-road platforms, this injector plays a critical role in meeting Euro IV and Euro V emission standards while maintaining strong torque output.
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  • 0445120199 

  • Yutong Bus Parts

Attribute Description
Part Number (OE) 0 445 120 199
Manufacturer Robert Bosch GmbH
Product Name Common Rail Fuel Injector / High-Pressure Diesel Injector
Series Bosch CRIN3-18 (Common Rail Injector, Generation 3)
Application Engine Cummins ISLe340/375, QSL8.9, QSL9 Series
Vehicle Compatibility Dongfeng Tianlong, DFCV Hercules, Yutong ZK, King Long KL, XCMG Excavators
Injection Type Solenoid-Controlled, Multi-Pulse Capable
Max System Pressure 1,800 bar (26,100 psi)
Nozzle Tip Model DLLA146P2161
Control Valve Part No. F00RJ02506
Mounting Type Cylinder head mounted via clamp bolt
Design Standard Meets ISO 8178, GB/T 19055, and Bosch OE specifications
喷油器-3


喷油器-2


Parameter Specification
Operating Pressure Range 350 – 1,800 bar (variable rail pressure)
Injection Control Type Solenoid-Actuated (High-Speed Electromagnetic Valve)
Spray Pattern Multi-hole (typically 6–8 orifices), optimized for air-fuel mixing
Multiple Injection Capability Supports pilot, main, and post-injection events
Flow Rate (Typical) ~700 cc/stroke (varies by application and calibration)
Response Time <200 μs (ultra-fast opening/closing)
Sealing Design Metal-to-metal seat seal at nozzle and inlet
Service Life >5,000 hours or 600,000 km under clean fuel and proper maintenance
Temperature Resistance -40°C to +150°C (under-hood environment)
Emissions Compliance Enables compliance with Euro IV, Euro V, and Tier 4 Final standards


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