81521026107 MAN Compatible Air Dryer Valve

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic brake system by regulating air flow and managing moisture removal. By ensuring the air supply remains free from contaminants, it protects downstream brake components from corrosion and freeze-up, which is essential for maintaining consistent braking performance in heavy commercial vehicles.

Vehicle and engine compatibility

This specific component is compatible with MAN trucks. It is designed to integrate seamlessly into the braking circuit, providing the necessary pressure regulation to maintain system integrity during operation.

Technical specifications and installation

The unit features M22x1,5 and M16x1,5 VOSS port sizes and is rated for a working pressure of 12,5 BAR. Technicians should verify these port specifications and connection types during installation to ensure a leak-free fitment within the air system.

Maintenance and troubleshooting

To prevent system failures, regular inspections of the air dryer assembly are recommended. Monitoring for leaks or pressure fluctuations can help ensure the long-term reliability of the braking system.

OE cross-reference

301.02.0064 (Air Dryer Valve Air Dryer Valves) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521026107.