Part Number: 0445120389 (Bosch reference: 0 445 120 389)
Manufacturer: Bosch (Germany) – OEM supplier for Weichai
System Type: Common Rail (CR) – solenoid injector
Fuel Type: Diesel
Engine Applications:
Weichai WP series heavy‑duty diesel engines (used in trucks, buses, and construction machinery)
Designed for Euro III–V emission standard engines
Function:
Receives high‑pressure fuel from the common rail
ECU‑controlled solenoid regulates injection timing and quantity
Provides fine atomization for efficient combustion and reduced emissions
The Bosch 0445120389 is a genuine OEM common rail (CR) diesel injector designed for Weichai heavy‑duty engines. It’s part of Bosch’s high‑pressure CR system, delivering electronically controlled precision fuel injection for efficiency, durability, and emissions compliance.
0986430474N SPRINTER 602 NEW CR INJECTOR 
