1662413 Compatible Gearbox Housing Valve — Volvo

What does a gearbox housing valve do?

This gearbox housing valve acts as a critical pneumatic control component mounted directly on the transmission housing of heavy commercial vehicles. Its primary function is to manage gear and range shifts by directing pressurized air to the working cylinders and maintaining pressure once a range change is complete.

Vehicle and engine compatibility

Specifically engineered for Volvo VNL applications utilizing D12 engines, this component ensures reliable shifting performance under heavy-duty conditions. It is an essential replacement part for maintaining optimal transmission response and preventing shifting errors in the vehicle's pneumatic system.

Installation and maintenance

When performing installation, technicians should verify that the port sizes match the existing setup, as this unit features one M12 x 1,5 port and two M14 x 1,5 ports. Ensuring a clean connection on these threads is vital for preventing air leaks and maintaining consistent pressure levels throughout the shifting cycle.

Selection guidance

Consult your authorized distributor to ensure this component meets your specific requirements.

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.