541 070 02 46 Injector Pump Overflow Valve for Mercedes-Benz

What does an injector pump overflow valve do?

This injector pump overflow valve is a critical pressure control component within the fuel injection system of heavy commercial vehicles. It functions by redirecting excess fuel back to the low-pressure circuit or return line, which maintains a constant internal pressure threshold within the pump. By managing this recirculation, the valve ensures stable engine operation and prevents irregular fuel delivery.

Compatibility and engine fitment

This component is designed for use in various heavy-duty diesel engine configurations, including those found in Mercedes-Benz vehicles. Maintaining the correct pressure balance is essential for preventing issues such as irregular idling or increased fuel consumption. Vaden Original provides high-strength components designed to meet the rigorous demands of professional workshop technicians and fleet managers.

Maintenance and installation guidance

For optimal performance, technicians should inspect the overflow valve during routine fuel system maintenance. Signs of failure often include engine power loss or unstable idling. When replacing this part, ensure that the connection points are clean and that all seals are seated correctly to maintain the integrity of the high-pressure circuit.

Troubleshooting fuel system pressure

Selecting a high-quality overflow valve ensures that the internal pump pressure remains consistent, protecting the overall health of the injection system.

OE cross-reference

0101 041 (Injector Pump Overflow Valve) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 5410700246.