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301.02.0039 Compatible Air Dryer Valve

301.02.0039

Summary

This high-strength air dryer valve features a 24 V heater and M22x1,5 / M12x1,5 port configurations. It is designed for heavy-duty service in Mercedes-Benz, Scania, MAN, and DAF vehicles, ensuring reliable moisture removal from the pneumatic system. Equivalent to OE DAF 1505967, Irisbus 500004419 and Kögel 322795.

Product identifiers
EAN Code8699031075327
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Compatible OEM Codes

  • MAN
    • 99.10036-0471
    • 88.52102-6001
    • 81.52102-6048
    • 81.52102-6029
    • 81.52102-6027
    • 81.52102-6023
    • 81.52101-6029
  • NEOPLAN
    • 1102734544140
    • 110273400
    • 11017447
  • IRISBUS
    • 980829
    • 500004419
  • WABCO
    • 432 410 102 0
  • SCANIA
    • 1932680
  • NISSAN UD TRUCK
    • 47540D6400
  • MERCEDES BENZ
    • 29AD002
  • LIEBHERR
    • 502656508
  • KÖGEL
    • 322795
  • DAF
    • 1505967

Description

What does an air dryer valve do?

This air dryer valve is a critical component within the pneumatic brake system, designed to ensure the delivery of clean, dry air to the braking components. By effectively removing moisture, oil droplets, and particulate matter from the compressed air stream, it prevents corrosion and prevents line freeze-up during operation. High-strength components are utilized to maintain integrity under demanding pressure conditions.

Vehicle and system compatibility

This specific unit is compatible with various heavy commercial vehicles including DAF, Irisbus, Kögel, Liebherr, MAN, Mercedes-Benz, Neoplan, Nissan Ud Truck, and Scania. It is also engineered to work seamlessly with WABCO systems to maintain optimal pneumatic performance across different fleet applications.

Installation and maintenance guidance

Installation should be performed by a workshop technician to ensure correct torque on the M22x1,5 and M12x1,5 ports. It is vital to verify that the 24 V heater connection is secure to prevent moisture accumulation in cold climates. Regular inspections of the purge function are recommended to maintain system efficiency.

System monitoring and troubleshooting

Monitoring pressure levels around the 8.1 BAR operating threshold can help identify potential system leaks or blockages early. Proper maintenance of this valve ensures the longevity of the entire air brake system and maintains consistent braking response for the vehicle.

OE cross-reference

301.02.0039 (Air Dryer Valve Air Dryer Valves) is the equivalent of the DAF, Irisbus, Kögel, Liebherr, MAN, Mercedes-Benz, Neoplan, Nissan Ud Truck, Scania and WABCO OE numbers. This part directly replaces DAF OE number 1505967. It also replaces Irisbus OE numbers 500004419, 980829, Kögel OE number 322795, Liebherr OE number 502656508, MAN OE numbers 81521016029, 81521026023, 81521026027, 81521026029, 81521026048, 88521026001, 99100360471, Mercedes-Benz OE number 29AD002, Neoplan OE numbers 11017447, 110273400, 1102734544140, Nissan Ud Truck OE number 47540D6400, Scania OE number 1932680 and WABCO OE number 4324101020.

Technical Specifications

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

Other OEMs

DAF

  • 1505967

IRISBUS

  • 980829
  • 500004419

KÖGEL

  • 322795

LIEBHERR

  • 502656508

MAN

  • 99100360471
  • 88521026001
  • 81521026048
  • 81521026029
  • 81521026027
  • 81521026023
  • 81521016029
  • 99.10036-0471
  • 88.52102-6001
  • 81.52102-6048
  • 81.52102-6029
  • 81.52102-6027
  • 81.52102-6023
  • 81.52101-6029

MERCEDES BENZ

  • A00029AD002
  • 29AD002

NEOPLAN

  • 1102734544140
  • 110273400
  • 11017447

NISSAN UD TRUCK

  • 47540D6400

SCANIA

  • 1932680

WABCO

  • 4324101020
  • 432.410.102.0
  • 432 410 102 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
IRISBUS
KÖGEL
LIEBHERR
MAN
MERCEDES BENZ
NEOPLAN
NISSAN UD TRUCK
SCANIA
WABCO

FAQ

What is the primary function of this air dryer valve?
It removes water vapour, oil droplets, and dirt from compressed air to protect the braking system from corrosion and freezing.
Which vehicle brands are compatible with this component?
This valve is designed for heavy commercial vehicles including MAN, Scania, Mercedes-Benz, DAF, and Irisbus.
What technical specifications should be verified before installation?
Technicians should confirm the 24 V heater requirement and check that port sizes match M22x1.5 and M12x1.5 specifications.
How can I tell if the air dryer valve needs replacement?
Signs of failure include increased moisture in the air lines or inconsistent pressure regulation within the pneumatic system.
What are the OE reference numbers of this part?
301.02.0039 directly replaces DAF OE number 1505967. It also replaces Irisbus OE numbers 500004419, 980829, Kögel OE number 322795, Liebherr OE number 502656508, MAN OE numbers 81521016029, 81521026023, 81521026027, 81521026029, 81521026048, 88521026001, 99100360471, Mercedes-Benz OE number 29AD002, Neoplan OE numbers 11017447, 110273400, 1102734544140, Nissan Ud Truck OE number 47540D6400, Scania OE number 1932680 and WABCO OE number 4324101020.