81521026072 Compatible Air Dryer Valve for MAN

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic brake system by filtering moisture and contaminants from the compressed air. By preventing water buildup, it protects downstream components from corrosion and freezing, ensuring consistent braking performance in heavy commercial vehicles.

Vehicle compatibility

This component is specifically designed for MAN vehicles. It maintains optimal air quality within the system, supporting the longevity of the entire braking circuit. Its integration ensures that moisture-related faults are minimized during operation.

Technical specifications

The unit is engineered with a 24 V heater to prevent freezing in cold climates. Technical specifications include M22x1.5 ports (Port 1 and Port 21) and an M12x1.5 port (Port 22), designed to withstand pressures up to 10 BAR.

Maintenance guidance

Regular inspection of the air dryer assembly is recommended to ensure effective purging and moisture separation. For precise fitment, check the compatibility list.

OE cross-reference

301.02.0043 (Air Dryer Valve Air Dryer Valves) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521026072.