303.10.0004 Gearbox Housing Valve compatible with Volvo

What does a gearbox housing valve do?

This gearbox housing valve serves as a critical pneumatic control component mounted on the transmission housing of heavy commercial vehicles. It manages gear and range shifts by directing pressurized air to the working cylinders and maintaining pressure once the range change is complete. Constructed from heavy-duty grade materials, it ensures reliable operation under intense mechanical stress.

Compatible vehicles and engines

This component is specifically designed for use in Volvo models such as the F10, F12, F7, FL10, FL12, N10, N12, NL10, NL12, B10B, B10M, and B12. It is also compatible with Ford Trucks Cargo 2517 and Cargo 2520 models featuring Ford Dover/Dovertech engines. Additionally, it is fitted to other heavy commercial vehicles including DAF, Iveco, MAN, Mercedes-Benz, Neoplan, Renault Trucks, and Scania.

Installation and maintenance

To ensure correct installation, technicians should verify the port configuration. This valve features three M12x1,5 ports and a 37,9 mm lever. Proper mounting on the transmission housing is essential to prevent air leaks and ensure smooth shifting intervals. Always inspect the pneumatic lines for debris before final assembly.

Troubleshooting guidance

When replacing a faulty valve, check for symptoms such as erratic shifting or air leaks around the transmission housing. Verify that the new part matches the existing port layout and thread size to maintain system integrity.

OE cross-reference

303.10.0004 (Gearbox Housing Valve) is the equivalent of the DAF, Ford Trucks, Iveco, MAN, Mercedes-Benz, Neoplan, Renault Trucks, Scania, Volvo and WABCO OE numbers. This part directly replaces DAF OE number 1505074. It also replaces Ford Trucks OE number LCT2K169AA, Iveco OE numbers 02564591, 03421094, 42020976, 42021846, MAN OE number 81521856009, Mercedes-Benz OE numbers 0004341001, 0004342101, 0004342301, Neoplan OE numbers 110246300, 1102463544402, Renault Trucks OE number 5021170180, Scania OE number 1934903, Volvo OE numbers 6645266, 6645268 and WABCO OE number 4630131120.