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84521016017 Unloader Valve for MAN Heavy Commercial Vehicles

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84521016017 MAN Compatible Unloader Valve

301.01.0002

Summary

This unloader valve is engineered for MAN vehicles, ensuring precise pressure regulation within the air brake system. It features specific port configurations including M22x1,5 and M12x1,5 connections and a cut-out pressure of 8,1 BAR / 0,2 BAR to maintain system stability. Equivalent to OE MAN 84521016017.

Product identifiers
EAN Code8699031064369
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Compatible OEM Codes

  • MERCEDES BENZ
    • 003 431 38 06
    • 003 431 36 06
    • 002 431 87 06
    • 002 431 52 06
    • 002 431 46 06
    • 002 431 15 06
  • NEOPLAN
    • 1102733544131
    • 1102733544130
    • 1102732544114
    • 110273201
  • DAF
    • 75038R
    • 75038A
    • 75038
    • 285768
  • MAN
    • N2.50999-9114
    • 84.52101-9017
    • 84.52101-6017
  • WABCO
    • 975 303 474 0
  • VAN HOOL
    • 637214100
  • TEREX
    • 00024212
  • STEYR
    • 99100360090
  • SCANIA
    • 1935691
  • RENAULT TRUCKS
    • 5021170478
  • IVECO
    • 500002011
  • IRISBUS
    • U403004451
  • FAUN
    • 99708458257

Description

What does an unloader valve do?

This unloader valve plays a critical role in maintaining the correct pneumatic balance within heavy commercial vehicle air brake systems. It regulates pressure distribution to ensure that the air compressor operates efficiently and the braking system responds reliably under various load conditions.

Vehicle compatibility and specifications

Specifically designed for MAN vehicles, this component ensures seamless integration within the pneumatic circuit. It features specialized port sizes such as M22x1,5 and M12x1,5 to match OEM specifications, providing a secure and leak-free connection during installation.

Installation and maintenance guidance

Technicians should verify the cut-out pressure of 8,1 BAR / 0,2 BAR before installation to ensure system synchronization. Proper mounting of the ports and checking for seal integrity during maintenance is essential for long-term reliability in demanding heavy-duty environments.

Selection guidance

Consult your authorized distributor to verify exact fitment for your specific vehicle model.

OE cross-reference

301.01.0002 (Unloader Valve) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 84521016017.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 4M12x1,5
Port 21M22x1,5
Port 22M12x1,5
Port 23M12x1,5
Cut-Out Pressure8,1 BAR / 0,2 BAR
Inflation ValveOK
Recycle Valve-

Other OEMs

DAF

  • 0285768
  • 0075038
  • 75038R
  • 75038A
  • 75038
  • 285768

FAUN

  • 99708458257

IRISBUS

  • U403004451

IVECO

  • 500002011

MAN

  • N2509999114
  • 84521019017
  • 84521016017
  • 84.52101.6017
  • N2.50999-9114
  • 84.52101-9017
  • 84.52101-6017

MERCEDES BENZ

  • A0034313806
  • A0034313606
  • A0024318706
  • A0024315206
  • A0024314606
  • A0024311506
  • 0034313806
  • 0034313606
  • 003.431.3806
  • 003.431.38.06
  • 003.431.3606
  • 003.431.36.06
  • 003 431 3806
  • 003 431 3606
  • 0024318706
  • 0024315206
  • 0024314606
  • 002.431.8706
  • 002.431.87.06
  • 002.431.5206
  • 002.431.52.06
  • 002.431.4606
  • 002.431.46.06
  • 002 431 8706
  • 002 431 5206
  • 002 431 4606
  • 003 431 38 06
  • 003 431 36 06
  • 002 431 87 06
  • 002 431 52 06
  • 002 431 46 06
  • 002 431 15 06

NEOPLAN

  • 1102733544131
  • 1102733544130
  • 1102732544114
  • 110273201

RENAULT TRUCKS

  • 5021170478

SCANIA

  • 1935691

STEYR

  • 99100360090

TEREX

  • 00024212

VAN HOOL

  • 637214100

WABCO

  • 9753034740
  • 975.303.474.0
  • 975 303 474 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
FAUN
IRISBUS
IVECO
MAN
MERCEDES BENZ
NEOPLAN
RENAULT TRUCKS
SCANIA
STEYR
TEREX
VAN HOOL
WABCO

FAQ

What is the function of this unloader valve?
It regulates air pressure within the brake system to balance circuits and ensure the compressor functions correctly.
Which vehicle brands is this compatible with?
This specific component is designed for use in MAN heavy commercial vehicles.
What are the technical port specifications?
The unit features M22x1,5 and M12x1,5 port sizes to ensure precise fitment within the pneumatic assembly.
What is the rated cut-out pressure?
The component is rated with a cut-out pressure of 8,1 BAR / 0,2 BAR for accurate pressure regulation.
What are the OE reference numbers of this part?
301.01.0002 directly replaces MAN OE number 84521016017.