2 417 413 004 Injector Pump Overflow Valve for Bosch systems

What does an injector pump overflow valve do?

This injector pump overflow valve plays a vital role in the fuel injection system by regulating internal pressure. By directing excess fuel back to the return line once a specific pressure threshold is reached, it maintains a constant pressure within the pump. This mechanism ensures a steady fuel flow to the injectors, which is essential for stable engine operation and efficient combustion.

Vehicle and system compatibility

This component is designed to meet the requirements of heavy commercial vehicle engines and is compatible with Bosch systems. It serves as a reliable solution for maintaining fuel system integrity and preventing performance drops caused by irregular pressure fluctuations.

Installation and maintenance guidance

For optimal performance, the valve should be installed in a clean environment to prevent contaminants from entering the fuel circuit. Technicians should ensure the system is properly bled of air following installation to avoid airlocks. Maintaining the correct installation procedure helps ensure the longevity of the fuel injection assembly.

Troubleshooting and performance

If engine stability decreases or fuel consumption increases, inspecting the overflow valve for faults is a recommended troubleshooting step. This part helps manage the recirculated volume within the pump to relieve excess pressure and purge air from the system.

OE cross-reference

0101 043 (Injector Pump Overflow Valve) is the equivalent of the Bosch OE number. This part directly replaces Bosch OE number 2417413004.