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301.07.0143 Pressure Limiting Valve, Brake System

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301.07.0143 Compatible Pressure Limiting Valve — DAF & Mercedes-Benz

301.07.0143

Summary

This pressure limiting valve is designed for heavy commercial vehicle air brake systems. It features M22x1.5 ports and operates within a pressure range of 8.3-0.3 Bar, ensuring stable pneumatic performance in Mercedes-Benz and DAF vehicles. Built with high-strength components for durability. Equivalent to OE DAF 1452969, Mercedes-Benz 0034295544 and WABCO 4341000390.

Product identifiers
EAN Code8683457046429
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Compatible OEM Codes

  • WABCO
    • 434 100 039 0
  • MERCEDES BENZ
    • 003 429 55 44
  • DAF
    • 1452969

Description

What does a pressure limiting valve do?

This pressure limiting valve plays a critical role in maintaining stable air pressure within the pneumatic braking system of heavy commercial vehicles. By utilizing a piston-and-spring mechanism, it regulates air flow to prevent overpressure, ensuring the safety and reliability of the braking performance during heavy-duty operation.

Compatible vehicles and engines

Designed for compatibility with DAF and Mercedes-Benz trucks, this component is essential for maintaining correct air distribution. It is also suitable for use in other heavy commercial vehicle applications requiring precise pressure control. The unit features M22x1.5 port configurations to ensure secure integration into existing air lines.

Installation and maintenance

For professional installation, technicians should verify that the M22x1.5 ports are free of debris and that the return line is properly routed. Maintaining the integrity of the connections helps prevent pressure drops in the system. Always check the operating range of 8.3-0.3 Bar during routine maintenance to ensure optimal performance.

Troubleshooting and maintenance

Regular inspection of the valve can help prevent system failures caused by pressure fluctuations or leaks.

OE cross-reference

301.07.0143 (Pressure Limiting Valve) is the equivalent of the DAF, Mercedes-Benz and WABCO OE numbers. This part directly replaces DAF OE number 1452969. It also replaces Mercedes-Benz OE number 0034295544 and WABCO OE number 4341000390.

Technical Specifications

Technical Specifications
Port 1M22x1.5
Port 2M22x1.5
Pressure8.3-0.3 Bar
ReturnOK

Other OEMs

DAF

  • 1452969

MERCEDES BENZ

  • A0034295544
  • 003 429 55 44

WABCO

  • 4341000390
  • 434 100 039 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
MERCEDES BENZ
WABCO

FAQ

What is the function of this pressure limiting valve?
It regulates air pressure within the braking system using a piston mechanism to vent excess air once a specific threshold is reached.
Which vehicle brands is this part compatible with?
This component is designed for use in DAF and Mercedes-Benz heavy commercial vehicles, including trucks and tractor units.
What are the technical specifications for this valve?
The valve features M22x1.5 ports on both sides and operates within a pressure range of 8.3 to 0.3 Bar.
What should I check if the air pressure fluctuates?
Technicians should inspect the M22x1.5 connections and ensure the return line is functioning correctly to maintain stable pneumatic levels.
What are the OE reference numbers of this part?
301.07.0143 directly replaces DAF OE number 1452969. It also replaces Mercedes-Benz OE number 0034295544 and WABCO OE number 4341000390.