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81521026220 Air Dryer Valve for MAN

301.02.0015

Summary

This air dryer valve for MAN vehicles is designed for heavy-duty brake systems. It features a 24 V heater and specific port configurations including M22x1.5 and M16x1.5 to ensure reliable moisture removal and system protection. Equivalent to OE MAN 81521026220.

Product identifiers
EAN Code8699031086651
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Compatible OEM Codes

  • MAN
    • 81.52102-6318
    • 81.52102-6220
    • 81.52102-6109
    • 81.52102-6105
    • 81.52102-6102
    • 81.52102-6061
    • 81.52102-6058
    • 81.52102-6055
    • 81.52102-6047
    • 81.52102-6046
  • WABCO
    • 432 410 112 0

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic brake system by effectively removing moisture and contaminants from the compressed air supply. By preventing water accumulation, it protects downstream components from corrosion and freeze-up, ensuring consistent braking performance in demanding conditions.

Vehicle compatibility and function

This component is specifically designed for use in MAN vehicles. It maintains system integrity by managing air pressure and moisture levels, which is essential for the safety of heavy commercial vehicles. The unit features a 24 V heater to prevent freezing in cold climates.

Installation and technical specifications

For proper installation, technicians should verify the port connections: Port 1 and Port 21 utilize M22x1.5 threading, while Port 22 and Port 4/23 are M16x1.5. Ensure all connections are tightened to the correct torque to maintain a leak-free seal within the pneumatic circuit.

Maintenance guidance

Regular inspection of the valve and its internal components helps prevent air system failures. Maintaining clean air flow is vital for the longevity of the entire braking system.

OE cross-reference

301.02.0015 (Air Dryer Valve Air Dryer Valves) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521026220.

Technical Specifications

Technical Specifications
Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure12,5 BAR
Port 22M16x1,5
Port 4/23M16x1,5

Other OEMs

MAN

  • 81521026318
  • 81521026220
  • 81521026109
  • 81521026105
  • 81521026102
  • 81521026061
  • 81521026058
  • 81521026055
  • 81521026047
  • 81521026046
  • 81.52102.6318
  • 81.52102.6220
  • 81.52102.6109
  • 81.52102.6105
  • 81.52102.6102
  • 81.52102.6061
  • 81.52102.6058
  • 81.52102.6055
  • 81.52102.6047
  • 81.52102.6046
  • 81.52102-6318
  • 81.52102-6220
  • 81.52102-6109
  • 81.52102-6105
  • 81.52102-6102
  • 81.52102-6061
  • 81.52102-6058
  • 81.52102-6055
  • 81.52102-6047
  • 81.52102-6046

WABCO

  • 4324101120
  • 432.410.112.0
  • 432 410 112 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MAN
WABCO

FAQ

What is the function of this air dryer valve?
The valve removes moisture and contaminants from compressed air, protecting the brake system from corrosion and freezing.
Which vehicles is this part compatible with?
This specific air dryer valve is designed for MAN vehicles within the heavy commercial vehicle segment.
Does this component include a heater?
Yes, this model is equipped with a 24 V heater to ensure reliable operation in cold weather conditions.
What are the port specifications for this valve?
The unit features M22x1.5 ports (Port 1 and 21) and M16x1.5 ports (Port 22 and 4/23).
What are the OE reference numbers of this part?
301.02.0015 directly replaces MAN OE number 81521026220.