1526797 Gearbox Housing Valve for Volvo NH12

What does a gearbox housing valve do?

This gearbox housing valve acts as a critical pneumatic control component within the transmission system of heavy commercial vehicles. It manages the air pressure required for gear and range shifts by directing pressurized air to the working cylinders, ensuring smooth and reliable gear transitions during operation.

Compatible vehicles and engines

This specific component is compatible with Volvo NH12 trucks equipped with D12C engines. It is built to withstand the demanding conditions of heavy-duty transport, maintaining pressure integrity to prevent system malfunctions during shifting cycles.

Installation and maintenance

For correct installation, technicians should verify that the port sizes—M12 x 1.5 and M14 x 1.5 (x 2)—match the existing transmission housing requirements. Ensuring clean connections during assembly is vital for maintaining the pneumatic integrity of the gearbox assembly.

Troubleshooting and selection

Consult your authorized distributor.

OE cross-reference

303.11.0015 (Gearbox Housing Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 1526797.