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301.01.0027 Unloader Valve, Brake System
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301.01.0027 Compatible Unloader Valve for Iveco

301.01.0027

Summary

This high-strength unloader valve is designed for heavy commercial vehicle brake systems. It features M22x1.5 and M12x1.5 port sizes and a cut-out pressure of 9.5 BAR / 0.2 BAR, ensuring reliable pressure regulation in Mercedes-Benz and Iveco trucks. Equivalent to OE Iveco 61259232, Mercedes-Benz 0024316606 and WABCO 9753030850.

Product identifiers
EAN Code8683457011120
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Compatible OEM Codes

  • WABCO
    • 975 303 085 0
  • MERCEDES BENZ
    • 002 431 66 06
  • IVECO
    • 61259232

Description

What does an unloader valve do?

This unloader valve plays a critical role in the pneumatic brake system by regulating air pressure within the circuit. It utilizes high-strength components to maintain consistent pressure levels, ensuring that the air compressor operates efficiently without overpressurizing the system components.

Vehicle and system compatibility

The unit is engineered for compatibility with Mercedes-Benz and Iveco heavy commercial vehicles. It is specifically designed to function within WABCO systems to maintain optimal pneumatic stability during operation.

Installation and maintenance

Installation requires attention to the port specifications, featuring M22x1.5 (Port 1 and Port 21) and M12x1.5 (Port 4 and Port 23) connections. Technicians should verify the cut-out pressure of 9.5 BAR / 0.2 BAR before integration into the brake system.

Troubleshooting guidance

Regular inspection of the valve ports and seals is recommended to prevent pressure drops in the air brake circuit. Maintaining clean air lines ensures the longevity of this high-duty component.

OE cross-reference

301.01.0027 (Unloader Valve) is the equivalent of the Iveco, Mercedes-Benz and WABCO OE numbers. This part directly replaces Iveco OE number 61259232. It also replaces Mercedes-Benz OE number 0024316606 and WABCO OE number 9753030850.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 4M12x1,5
Port 21M22x1,5
Port 22-
Port 23M12x1,5
PluggedOK
Cut-Out Pressure9,5 BAR / 0,2 BAR
Inflation Valve-
Recycle Valve-

Other OEMs

IVECO

  • 61259232

MERCEDES BENZ

  • A0024316606
  • 0024316606
  • 002 431 66 06

WABCO

  • 9753030850
  • 975 303 085 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
IVECO
MERCEDES BENZ
WABCO

FAQ

What is the function of this unloader valve?
It regulates air pressure within the brake system, releasing excess air at a specific cut-out pressure to protect the pneumatic circuit.
Which vehicle brands is this component compatible with?
This part is designed for use in Mercedes-Benz and Iveco heavy commercial vehicles and is compatible with WABCO systems.
What are the technical port specifications?
The valve features M22x1.5 ports (Port 1 and Port 21) and M12x1.5 ports (Port 4 and Port 23) for secure pneumatic connections.
What is the operating cut-out pressure?
The specified cut-out pressure for this component is 9.5 BAR / 0.2 BAR, ensuring precise regulation for heavy-duty applications.
What are the OE reference numbers of this part?
301.01.0027 directly replaces Iveco OE number 61259232. It also replaces Mercedes-Benz OE number 0024316606 and WABCO OE number 9753030850.