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301.07.0157 Pressure Limiting Valve, Brake System

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301.07.0157 MAN Compatible Pressure Limiting Valve

301.07.0157

Summary

This heavy-duty pressure limiting valve is engineered for brake systems, featuring M22x1.5 ports and a pressure range of 5.5-0.3 Bar. It is designed to maintain optimal system stability in MAN and Leyland commercial vehicles. Equivalent to OE Leyland 109391, MAN 81521006079 and WABCO 4341001290.

Product identifiers
EAN Code8683457046566
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Compatible OEM Codes

  • MAN
    • 81.52110-6055
    • 81.52100-6079
  • WABCO
    • 434 100 129 0
  • LEYLAND
    • 109391

Description

What does a pressure limiting valve do?

This pressure limiting valve plays a critical role in the pneumatic brake system by regulating air pressure to ensure consistent braking performance. Built with high-strength components, it provides reliable pressure control under demanding heavy commercial vehicle operating conditions.

Vehicle and engine compatibility

The component is specifically designed for compatibility with MAN and Leyland vehicles. It functions effectively within systems requiring precise pressure regulation, ensuring the braking force remains within safe operational limits during transit.

Installation and maintenance

Installation requires attention to the M22x1.5 port connections to ensure a secure fit and prevent air leaks. Technicians should verify that the 5.5-0.3 Bar pressure range aligns with the specific requirements of the vehicle's braking circuit to maintain system integrity.

System performance and troubleshooting

Regular inspection of the non-return functionality is recommended during routine maintenance to prevent pressure fluctuations within the pneumatic lines.

OE cross-reference

301.07.0157 (Pressure Limiting Valve) is the equivalent of the Leyland, MAN and WABCO OE numbers. This part directly replaces Leyland OE number 109391. It also replaces MAN OE numbers 81521006079, 81521106055 and WABCO OE number 4341001290.

Technical Specifications

Technical Specifications
Port 1M22x1.5
Port 2M22x1.5
Pressure5.5-0.3 Bar
Non-ReturnOK

Other OEMs

LEYLAND

  • 109391

MAN

  • 81521106055
  • 81521006079
  • 81.52110-6055
  • 81.52100-6079

WABCO

  • 4341001290
  • 434 100 129 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
LEYLAND
MAN
WABCO

FAQ

What is the function of this pressure limiting valve?
It regulates air pressure within the braking system to ensure stable and predictable deceleration for heavy commercial vehicles.
Which vehicle makes are compatible with this part?
This component is compatible with MAN and Leyland vehicles, as well as systems utilizing WABCO technology.
What are the technical port specifications?
The valve features M22x1.5 ports on both sides, designed to handle a working pressure range of 5.5-0.3 Bar.
Does this valve include non-return functionality?
Yes, this model is equipped with integrated non-return capabilities to help maintain stable pneumatic pressure.
What are the OE reference numbers of this part?
301.07.0157 directly replaces Leyland OE number 109391. It also replaces MAN OE numbers 81521006079, 81521106055 and WABCO OE number 4341001290.