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81521026063 Compatible MAN Air Dryer Valve

301.02.0040

Summary

This heavy-duty air dryer valve is designed for MAN vehicles, featuring a 24 V heater and specific port configurations including M22x1,5 and M12x1,5. It ensures reliable moisture removal to protect the pneumatic braking system from corrosion and freeze-up. Equivalent to OE MAN 81521026063.

Product identifiers
EAN Code8699031075372
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Compatible OEM Codes

  • MAN
    • 81.52102-6081
    • 81.52102-6063
    • 81.52102-6062
    • 81.52102-6057
    • 81.52102-6029
    • 81.52102-6028
    • 81.52102-6027
  • WABCO
    • 432 410 200 0
  • NISSAN UD TRUCK
    • 475409X402
  • LIEBHERR
    • 502658308

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in maintaining the integrity of the pneumatic braking system by effectively removing moisture and contaminants from the compressed air. By ensuring clean air flow, it protects sensitive brake components from internal corrosion and prevents freeze-up during cold operations, which is essential for heavy commercial vehicle safety.

Vehicle compatibility and technical features

This component is specifically engineered for MAN vehicles. It features a 24 V heater to prevent moisture accumulation in cold climates and utilizes M22x1,5 and M12x1,5 port sizes to ensure precise integration within the existing air system architecture.

Installation and maintenance guidance

When performing maintenance or replacement, technicians should verify the electrical connection for the 24 V heater and inspect all port threads to ensure a leak-free seal. Maintaining this valve is vital for consistent braking performance and reducing long-term maintenance costs for fleet managers.

System reliability

Consult your authorized distributor to ensure exact fitment for your specific MAN model.

OE cross-reference

301.02.0040 (Air Dryer Valve Air Dryer Valves) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521026063.

Technical Specifications

Technical Specifications
Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure8,1 BAR
Port 22M12x1,5
Port 4/23-

Other OEMs

LIEBHERR

  • 502658308

MAN

  • 81521026081
  • 81521026063
  • 81521026062
  • 81521026057
  • 81521026029
  • 81521026028
  • 81521026027
  • 81.52102.6081
  • 81.52102.6063
  • 81.52102.6062
  • 81.52102.6057
  • 81.52102.6029
  • 81.52102.6028
  • 81.52102.6027
  • 81.52102-6081
  • 81.52102-6063
  • 81.52102-6062
  • 81.52102-6057
  • 81.52102-6029
  • 81.52102-6028
  • 81.52102-6027

NISSAN UD TRUCK

  • 475409X402

WABCO

  • 4324102000
  • 432.410.200.0
  • 432 410 200 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
LIEBHERR
MAN
NISSAN UD TRUCK
WABCO

FAQ

How does this air dryer valve protect the braking system?
It removes moisture and contaminants from the compressed air, preventing corrosion and freezing within the pneumatic lines.
Is this component compatible with MAN vehicles?
Yes, this specific unit is designed to meet the requirements of MAN heavy commercial vehicles.
What are the electrical requirements for this valve?
This model is equipped with a 24 V heater to ensure optimal performance in cold weather conditions.
What port sizes are used on this unit?
The unit features M22x1,5 ports and an M12x1,5 port to ensure proper connection to the air system.
What are the OE reference numbers of this part?
301.02.0040 directly replaces MAN OE number 81521026063.