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75038A Unloader Valve Compatible with DAF

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75038A Unloader Valve for DAF Trucks

301.01.0002

Summary

This high-strength unloader valve is engineered for DAF heavy commercial vehicles. It features specific M22x1.5 and M12x1.5 port configurations and maintains a precise cut-out pressure of 8.1 BAR / 0.2 BAR to ensure reliable air brake system regulation. Equivalent to OE DAF 75038A.

Product identifiers
EAN Code8699031064369
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Compatible OEM Codes

  • MERCEDES BENZ
    • 003 431 38 06
    • 003 431 36 06
    • 002 431 87 06
    • 002 431 52 06
    • 002 431 46 06
    • 002 431 15 06
  • NEOPLAN
    • 1102733544131
    • 1102733544130
    • 1102732544114
    • 110273201
  • DAF
    • 75038R
    • 75038A
    • 75038
    • 285768
  • MAN
    • N2.50999-9114
    • 84.52101-9017
    • 84.52101-6017
  • WABCO
    • 975 303 474 0
  • VAN HOOL
    • 637214100
  • TEREX
    • 00024212
  • STEYR
    • 99100360090
  • SCANIA
    • 1935691
  • RENAULT TRUCKS
    • 5021170478
  • IVECO
    • 500002011
  • IRISBUS
    • U403004451
  • FAUN
    • 99708458257

Description

What does an unloader valve do?

This unloader valve serves a critical role within the pneumatic brake system of heavy commercial vehicles. By regulating air pressure, it ensures the correct distribution of air throughout the circuit, facilitating stable braking performance and system stability under heavy loads.

Vehicle and engine compatibility

Designed specifically for DAF vehicles, this component integrates seamlessly into the existing air brake architecture. It features specialized port sizes including M22x1.5 for main connections and M12x1.5 for secondary lines, ensuring a precise fit within the vehicle's pneumatic circuit.

Installation and maintenance

Technicians should verify the cut-out pressure settings, specifically the 8.1 BAR / 0.2 BAR range, during installation to ensure optimal system operation. Regular inspection of the port threads and connection points is recommended to prevent air leaks and maintain consistent inflation valve performance.

System selection guidance

Selecting the correct valve is essential for maintaining the integrity of the air brake system. Consult your authorized distributor to ensure full compatibility with your specific vehicle configuration.

OE cross-reference

301.01.0002 (Unloader Valve) is the equivalent of the DAF OE number. This part directly replaces DAF OE number 75038A.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 4M12x1,5
Port 21M22x1,5
Port 22M12x1,5
Port 23M12x1,5
Cut-Out Pressure8,1 BAR / 0,2 BAR
Inflation ValveOK
Recycle Valve-

Other OEMs

DAF

  • 0285768
  • 0075038
  • 75038R
  • 75038A
  • 75038
  • 285768

FAUN

  • 99708458257

IRISBUS

  • U403004451

IVECO

  • 500002011

MAN

  • N2509999114
  • 84521019017
  • 84521016017
  • 84.52101.6017
  • N2.50999-9114
  • 84.52101-9017
  • 84.52101-6017

MERCEDES BENZ

  • A0034313806
  • A0034313606
  • A0024318706
  • A0024315206
  • A0024314606
  • A0024311506
  • 0034313806
  • 0034313606
  • 003.431.3806
  • 003.431.38.06
  • 003.431.3606
  • 003.431.36.06
  • 003 431 3806
  • 003 431 3606
  • 0024318706
  • 0024315206
  • 0024314606
  • 002.431.8706
  • 002.431.87.06
  • 002.431.5206
  • 002.431.52.06
  • 002.431.4606
  • 002.431.46.06
  • 002 431 8706
  • 002 431 5206
  • 002 431 4606
  • 003 431 38 06
  • 003 431 36 06
  • 002 431 87 06
  • 002 431 52 06
  • 002 431 46 06
  • 002 431 15 06

NEOPLAN

  • 1102733544131
  • 1102733544130
  • 1102732544114
  • 110273201

RENAULT TRUCKS

  • 5021170478

SCANIA

  • 1935691

STEYR

  • 99100360090

TEREX

  • 00024212

VAN HOOL

  • 637214100

WABCO

  • 9753034740
  • 975.303.474.0
  • 975 303 474 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
FAUN
IRISBUS
IVECO
MAN
MERCEDES BENZ
NEOPLAN
RENAULT TRUCKS
SCANIA
STEYR
TEREX
VAN HOOL
WABCO

FAQ

What is the function of this unloader valve?
It regulates air pressure within the braking system, helping to balance pressure across various air circuits in heavy commercial vehicles.
Which vehicle makes is this compatible with?
This specific component is designed for use in DAF trucks and related heavy commercial vehicle systems.
What are the port specifications for this part?
The unit is equipped with M22x1.5 ports (Port 1 and Port 21) and M12x1.5 ports (Port 4, Port 22, and Port 23).
What is the standard cut-out pressure?
The valve operates with a specified cut-out pressure range of 8.1 BAR / 0.2 BAR to maintain system stability.
What are the OE reference numbers of this part?
301.01.0002 directly replaces DAF OE number 75038A.