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81521026062 MAN Compatible Air Dryer Valve

301.02.0040

Summary

This air dryer valve is designed for MAN heavy commercial vehicles, featuring a 24 V heater and specific port configurations including M22x1.5 and M12x1.5. It ensures efficient moisture removal to protect the air brake system from corrosion and freeze-up. Equivalent to OE MAN 81521026062.

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

This air dryer valve plays a critical role in the pneumatic brake system by removing moisture and contaminants from the compressed air stream. By preventing water accumulation, it protects downstream components from internal corrosion and prevents freeze-up in cold climates, ensuring consistent braking performance for heavy commercial vehicles.

Designed specifically for MAN trucks, this component integrates seamlessly into the air brake circuit. It features a 24 V heater to maintain optimal operating temperatures and includes M22x1.5 and M12x1.5 port configurations to match standard heavy-duty pneumatic requirements. This part is also compatible with other MAN vehicle models.

For professional workshop technicians, ensuring the correct installation of this valve is vital for system integrity. Maintenance should include regular inspections of the ports and connections to prevent leaks. Using high-strength components helps maintain the pressure required for safe operation during heavy-duty service.

Check the compatibility list.

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 81521026062.

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

What is the function of the heater in this air dryer valve?
The 24 V heater prevents moisture from freezing within the valve, which is essential for maintaining reliable air pressure in cold weather conditions.
Which vehicle types are compatible with this component?
This air dryer valve is specifically designed for MAN heavy commercial vehicles, ensuring proper fitment within their pneumatic braking systems.
What are the primary port specifications?
This unit features M22x1.5 ports (Port 1 and Port 21) and an M12x1.5 port (Port 22) to ensure precise integration into the vehicle's air circuit.
How does this part protect the braking system?
By effectively removing water and contaminants, it prevents corrosion and freezing in the lines, maintaining stable braking performance for the fleet.
What are the OE reference numbers of this part?
301.02.0040 directly replaces MAN OE number 81521026062.