81 52170 6128 MAN Compatible Gearbox Housing Valve

What does a gearbox housing valve do?

This gearbox housing valve plays a critical role in the pneumatic or hydraulic regulation within the transmission system. Built with high-strength components, it ensures stable pressure control and prevents leaks under the demanding operating conditions of heavy commercial vehicles.

Vehicle compatibility and fitment

The component is specifically engineered for compatibility with MAN trucks and related heavy-duty systems. Its precise construction ensures it meets the functional requirements of the original equipment, providing a reliable solution for fleet maintenance and repairs.

Installation and maintenance

For correct installation, technicians should verify that the connection ports—one M12 x 1.5 and two M14 x 1.5—match the existing assembly requirements. Regular inspection of the valve seats and seals is recommended to prevent pressure drops in the gearbox housing.

Troubleshooting guidance

When replacing this component, ensure the system is depressurized and all ports are cleaned to prevent contaminants from entering the gearbox mechanism.

OE cross-reference

303.11.0015 (Gearbox Housing Valve) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521706128.