244900 Volvo B12 D12A Overflow Valve

What does an overflow valve do?

This injector pump overflow valve is a vital component within the fuel injection system, responsible for regulating internal pump pressure. By redirecting excess fuel back to the return line, it maintains the precise pressure balance required for consistent injection timing and stable engine performance.

Vehicle compatibility and application

This component is specifically designed for Volvo B12 vehicles equipped with D12A engines. It serves as a reliable replacement to prevent issues such as increased fuel consumption or erratic idling in heavy commercial vehicle applications.

Installation and maintenance guidance

For professional installation, ensure the fuel system is thoroughly cleaned and bled of air to prevent contamination. A workshop technician should verify that all connections are secure and that the correct torque is applied to prevent leaks or pressure drops in the fuel circuit.

Selection and performance

Check the compatibility list to ensure this part meets the specific requirements of your engine group.

OE cross-reference

0101 045 (Injector Pump Overflow Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 244900.