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301.07.0005 Compatible Unloader Valve for DAF MAN

301.07.0005

Summary

This unloader valve is designed for heavy commercial vehicle brake systems, ensuring precise pressure regulation. It is compatible with DAF, MAN, PACCAR, and Scania vehicles, as well as WABCO systems. Built with high-strength components to maintain reliability in demanding environments. Equivalent to OE DAF 1305138, MAN 81521016286 and PACCAR CD4750104000.

Product identifiers
EAN Code8699031091563
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Compatible OEM Codes

  • MAN
    • ZG.04623-0002
    • 81.52101-6286
  • DAF
    • 1506193
    • 1305138
  • WABCO
    • 475 010 400 0
  • SCANIA
    • 1935020
  • PACCAR
    • CD4750104000

Description

What does an unloader valve do?

This unloader valve serves a critical role within the air brake system by regulating air pressure through continuous monitoring. It facilitates the automatic release of air once a specific threshold is reached, ensuring stable pneumatic operation throughout the heavy commercial vehicle's braking cycle.

Compatible vehicles and engines

This component is engineered for compatibility with DAF, MAN, PACCAR, and Scania trucks. It is also designed to function seamlessly within WABCO air systems, providing reliable performance across various heavy-duty applications.

Installation and maintenance

For proper installation, technicians should verify the existing pneumatic connections and ensure all ports are clear of debris. Regular inspection of the valve's operating threshold is recommended to prevent pressure fluctuations within the braking or suspension systems.

Troubleshooting and selection

Consult your authorized distributor.

OE cross-reference

301.07.0005 (Unloader Valve) is the equivalent of the DAF, MAN, PACCAR, Scania and WABCO OE numbers. This part directly replaces DAF OE numbers 1305138, 1506193. It also replaces MAN OE numbers 81521016286, ZG046230002, PACCAR OE number CD4750104000, Scania OE number 1935020 and WABCO OE number 4750104000.

Other OEMs

DAF

  • 1506193
  • 1305138

MAN

  • ZG046230002
  • ZG.04623.0002
  • 81521016286
  • 815210152101
  • 81.52101.6286
  • 81-52101-52101
  • ZG.04623-0002
  • 81.52101-6286

PACCAR

  • CD4750104000

SCANIA

  • 1935020

WABCO

  • 4750104000
  • 475.010.400.0
  • 475 010 400 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
MAN
PACCAR
SCANIA
WABCO

FAQ

What is the function of an unloader valve?
An unloader valve monitors air pressure within the system and automatically releases air at a set threshold to maintain stable operation.
Which vehicles are these valves compatible with?
These valves are compatible with heavy commercial vehicles from DAF, MAN, PACCAR, and Scania, as well as WABCO systems.
What materials are used in these components?
These components are manufactured using high-strength components designed to withstand heavy-duty operating conditions.
How can I ensure correct fitment?
Technicians should check the vehicle's specific requirements and verify compatibility with existing WABCO or OEM air systems.
What are the OE reference numbers of this part?
301.07.0005 directly replaces DAF OE numbers 1305138, 1506193. It also replaces MAN OE numbers 81521016286, ZG046230002, PACCAR OE number CD4750104000, Scania OE number 1935020 and WABCO OE number 4750104000.