1662413 Compatible Gearbox Housing Valve — Volvo VHD

What does a gearbox housing valve do?

This gearbox housing valve serves as a critical pneumatic control component within the transmission assembly of heavy commercial vehicles. It manages the air pressure required for gear and range shifts, ensuring precise movement of internal components. Built with heavy-duty grade materials, it is designed to withstand the high-pressure environments found in heavy-duty truck transmissions.

Vehicle and engine compatibility

This specific component is compatible with Volvo VHD models equipped with D12 engines. It is an essential replacement part for maintaining the shifting accuracy of the transmission system in these heavy commercial vehicles.

Installation and maintenance guidance

For a correct installation, technicians should verify the port sizes and thread specifications. This unit features one M12 x 1.5 port and two M14 x 1.5 ports. Always ensure that the pneumatic lines are clean and that all connections are tightened to prevent air leaks during gear transitions.

Troubleshooting tips

When diagnosing shifting issues, check the valve for any signs of pressure loss or air leakage around the ports.

OE cross-reference

303.11.0015 (Gearbox Housing Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 1662413.