239133 Volvo B10B D10A Overflow Valve

What does an overflow valve do?

The injector pump overflow valve is a critical control component that maintains internal pump pressure by redirecting excess fuel back to the return line. This component ensures the diesel injection pump operates within precise pressure parameters, which is essential for maintaining stable idling and consistent engine power delivery.

Compatibility with Volvo engines

This specific overflow valve is designed for use in Volvo B10B vehicles equipped with D10A engines. It serves as a reliable replacement to ensure the fuel system operates according to original equipment standards, supporting heavy-duty performance in demanding environments.

Installation and maintenance

To ensure proper engine operation, technicians should verify that the valve matches the specific requirements of the injection pump. Correct installation helps prevent issues such as increased fuel consumption or irregular idling caused by pressure imbalances within the fuel circuit.

Troubleshooting fuel pressure

Consult your authorized distributor to confirm exact fitment and part compatibility.

OE cross-reference

0101 045 (Injector Pump Overflow Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 239133.