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301.01.0039 Unloader Valve for Mercedes-Benz

301.01.0039

Summary

This heavy-duty unloader valve is designed for Mercedes-Benz brake systems. It features M22x1.5 ports and a precise cut-out pressure of 5.6 BAR / 0.2 BAR to ensure reliable air pressure regulation in heavy commercial vehicles. Equivalent to OE Mercedes-Benz 0014316906 and WABCO 9753001310.

Product identifiers
EAN Code8683457011243
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Compatible OEM Codes

  • WABCO
    • 975 300 131 0
  • MERCEDES BENZ
    • 001 431 69 06

Description

What does an unloader valve do?

This unloader valve serves as a critical component within the pneumatic brake system, ensuring precise air pressure management. It operates by monitoring system pressure and automatically releasing air once the set threshold is reached, which prevents over-pressurization and protects downstream components.

Vehicle and system compatibility

This part is engineered for compatibility with Mercedes-Benz vehicles and is suitable for use in heavy commercial vehicle air systems. It is also designed to work seamlessly with WABCO systems to maintain optimal braking performance.

Installation and maintenance

Installation requires careful attention to the M22x1.5 port connections to ensure a secure, leak-free seal. Technicians should verify the cut-out pressure settings during assembly to match the specific requirements of the vehicle's braking circuit.

Troubleshooting guidance

Regular inspection of the valve helps prevent pneumatic system failures. If air leakage or inconsistent pressure regulation occurs, checking this component is a recommended step for workshop technicians.

OE cross-reference

301.01.0039 (Unloader Valve) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 0014316906. It also replaces WABCO OE number 9753001310.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 4-
Port 21M22x1,5
Cut-Out Pressure5,6 BAR / 0,2 BAR
Inflation ValveOK

Other OEMs

MERCEDES BENZ

  • A0014316906
  • 001 431 69 06

WABCO

  • 9753001310
  • 975 300 131 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ
WABCO

FAQ

What is the function of this unloader valve?
It regulates air pressure within the braking system by automatically releasing air at a specific cut-out pressure to prevent system over-pressurization.
Which vehicle makes is this compatible with?
This component is specifically designed for Mercedes-Benz vehicles and is compatible with WABCO systems.
What are the technical port specifications?
The unit features M22x1.5 ports (Port 1 and Port 21) to ensure a standard fitment for heavy commercial pneumatic systems.
What is the cut-out pressure rating?
The valve operates with a specified cut-out pressure of 5.6 BAR / 0.2 BAR to maintain stable system regulation.
What are the OE reference numbers of this part?
301.01.0039 directly replaces Mercedes-Benz OE number 0014316906. It also replaces WABCO OE number 9753001310.