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Heavy Duty Diesel Engine Injector Assembly Wholesale at Low Price 0445120081 for FAW Engines

The Bosch Common Rail Fuel Injector Assembly (Model 0445120081) is a high-precision, electronically controlled fuel injection component designed for modern diesel engines utilizing high-pressure common rail technology. This injector serves as a core element of the fuel delivery system, enabling precise atomization and multi-stage injection (pilot, main, and post-injection) to optimize combustion efficiency, reduce emissions, and improve fuel economy.

Specifically engineered for integration with FAWDE (FAW Diesel Engine Co., Ltd.) CA4DF3 and CA6DF3 series engines, this injector supports stringent emission standards including China IV (Euro 4) and China V (Euro 5). Built with advanced materials and micro-scale tolerances, it ensures reliable performance under extreme pressure conditions up to 1,800 bar, making it ideal for heavy-duty commercial vehicles, construction machinery, and bus platforms.
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  • 445120081

  • FAW

Attribute Description
Official Name Electronically Controlled High-Pressure Common Rail Injector
Brand Bosch (Original Equipment & Aftermarket Standard)
Function Precisely meters and injects diesel fuel into the combustion chamber under ultra-high pressure via solenoid actuation
Injection Type Multi-pulse capable – Pilot, Main, and Post-injection for optimized NOx and PM control
Actuation Method Solenoid valve-controlled (high-speed electromagnetic response)
Core Technology Bosch CR (Common Rail) generation platform
Sealing Design Precision metal-ceramic seals and needle valve guidance system
Durability Designed for long service life in harsh environments (vibration, heat, contamination risk)
Application Level OEM fitment on FAW Jiefang medium/heavy-duty trucks and industrial powertrains
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喷油器总成-4


Parameter Value / Description
OEM Part Number 0445120081 (also written as 0 445 120 081 or shortened to 445120081)
Weight Approx. 0.65 kg per unit
Maximum System Pressure Up to 1,600 – 1,800 bar (23,200 – 26,100 psi)
Emission Compliance Compatible with China IV (GB17691-2005), China V (GB17691-2013) standards
Nozzle Type DLLA151P1656 (Bosch P/N: 0433172017)
Control Valve F00RJ01692
Solenoid Valve F00RJ02703
Material Construction High-strength alloy steel body; ceramic-coated internal components for wear resistance
Injector Body Type Vertical mount, top electrical connector
Electrical Connection Standard Bosch multi-pin plug with waterproof seal (IP67 rated)
Response Time < 0.2 ms (enables ultra-fast start/stop of injection events)
Fuel Lubrication Operates using diesel fuel as lubricant – cleanliness is critical


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