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301.07.0004.01 Unloader Valve Repair Kit for Mercedes-Benz

301.07.0004.01

Summary

Precision unloader valve repair kit designed for heavy commercial vehicle brake systems. This component is compatible with Mercedes-Benz, MAN, Scania, and Iveco systems to ensure reliable air pressure management. Equivalent to OE Iveco 99474412, MAN 81521016279 and Mercedes-Benz 0034309181.

Product identifiers
EAN Code8699031091556
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Compatible OEM Codes

  • WABCO
    • 475 010 001 2
  • SCANIA
    • 1935011
  • MERCEDES BENZ
    • 003 430 91 81
  • MAN
    • 81.52101-6279
  • IVECO
    • 99474412

Description

What does an unloader valve repair kit do?

This unloader valve repair kit is engineered to restore the efficient operation of air pressure relief components within the brake system. By utilizing high-strength components, this kit ensures that the valve maintains precise pressure monitoring and automatic air release functionality required for heavy-duty performance.

Vehicle and system compatibility

This repair kit is specifically designed for use in heavy commercial vehicles including Mercedes-Benz, Alexander Dennis, Iveco, MAN, and Scania. It is also compatible with WABCO systems to ensure seamless integration within the pneumatic braking architecture.

Installation and maintenance

For workshop technicians, this kit provides a practical solution for maintaining air brake systems and compressor systems. Proper installation ensures consistent pressure thresholds and prevents air leaks during operation. Always verify fitment with the specific vehicle application.

System reliability

Maintaining the integrity of the unloader valve is critical for preventing system pressure fluctuations in tractor units and buses.

OE cross-reference

301.07.0004.01 (Unloader Valve Repair Kit) is the equivalent of the Iveco, MAN, Mercedes-Benz, Scania and WABCO OE numbers. This part directly replaces Iveco OE number 99474412. It also replaces MAN OE number 81521016279, Mercedes-Benz OE number 0034309181, Scania OE number 1935011 and WABCO OE number 4750100012.

Other OEMs

IVECO

  • 99474412

MAN

  • 81521016279
  • 81.52101.6279
  • 81.52101-6279

MERCEDES BENZ

  • A0034309181
  • 0034309181
  • 003.430.9181
  • 003.430.91.81
  • 003 430 9181
  • 003 430 91 81

SCANIA

  • 1935011

WABCO

  • 4750100012
  • 475.010.001.2
  • 475 010 001 2

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
ALEXANDER DENNIS
IVECO
MAN
MERCEDES BENZ
SCANIA
WABCO

FAQ

What is the function of this repair kit?
This kit is used to service unloader valves that manage air pressure relief within the brake system, ensuring automatic air release at set thresholds.
Which vehicle brands are compatible?
The kit is compatible with heavy commercial vehicles from Mercedes-Benz, Alexander Dennis, Iveco, MAN, and Scania.
Is it compatible with WABCO systems?
Yes, this repair kit is designed to be compatible with WABCO air systems used in various heavy-duty applications.
What should I check before installation?
Technicians should verify the specific vehicle model and ensure the existing valve body is suitable for this high-strength component set.
What are the OE reference numbers of this part?
301.07.0004.01 directly replaces Iveco OE number 99474412. It also replaces MAN OE number 81521016279, Mercedes-Benz OE number 0034309181, Scania OE number 1935011 and WABCO OE number 4750100012.