301.01.0002 Unloader Valves
6917 Visualized

301.01.0002 Unloader Valves for DAF and Mercedes-Benz

301.01.0002

Summary

●Port 1: M22x1,5 ●Port 4: M12x1,5 ●Port 21: M22x1,5 ●Port 22: M12x1,5 ●Port 23: M12x1,5 ●Cut-Out Pressure: 8,1 BAR / 0,2 BAR ●Inflation Valve: OK ●Recycle Valve: -

EAN Code8699031064369
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Description

The technical function of this unloader valve is to regulate air pressure within the pneumatic braking system, ensuring stable operation during heavy-duty cycles. Designed with high-strength components, it maintains precise pressure control for long-term reliability in demanding environments.

301.01.0002 is the OE-equivalent unloader valve used in DAF (75038, 75038A, 75038R, 285768), MERCEDES BENZ (002 431 15 06, 002 431 46 06, 002 431 52 06, 002 431 87 06, 003 431 36 06, 003 431 38 06), MAN (84.52101-6017, 84.52101-9017, N2.50999-9114), and IVECO (500002011) systems. It also provides compatibility for NEOPLAN (110273201, 1102732544114, 1102733544130, 1102733544131) and WABCO (975 303 474 0) hardware.

Workshop technicians should verify the port specifications before installation to ensure a seamless fit. This component features specific port sizes: Port 1 and Port 21 use M22x1,5 threads, while Port 4, Port 22, and Port 23 utilize M12x1,5 threads. Regular maintenance of the pneumatic circuit is recommended to prevent pressure fluctuations and ensure the inflation valve operates within the specified cut-out limits of 8,1 BAR.

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

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

FAUN

  • 99708458257

IRISBUS

  • U403004451

IVECO

  • 500002011

MAN

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

MERCEDES BENZ

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

NEOPLAN

  • 110273201
  • 1102732544114
  • 1102733544130
  • 1102733544131

RENAULT TRUCKS

  • 5021170478

SCANIA

  • 1935691

STEYR

  • 99100360090

TEREX

  • 00024212

VAN HOOL

  • 637214100

WABCO

  • 975 303 474 0
  • 975.303.474.0
  • 9753034740

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
DAF
EVOBUS
FAUN
FREIGHTLINER
IRISBUS
IVECO
KENWORTH
MACK
MAN
MAN NEOPLAN
MERCEDES BENZ
MERITOR
NEOPLAN
PETERBILT
RENAULT TRUCKS
SCANIA
STEYR
TEREX
VAN HOOL
VOLVO
WABCO

FAQ

Which vehicle brands are compatible with this unloader valve?
This part is compatible with DAF (75 own codes), MERCEDES BENZ (various codes), MAN (84.52 own codes), IVECO (500...)
What are the specific port sizes for this unloader valve?
The unit features M22x1,5 threads on Port 1 and Port 21; Port 4, Port 22, and Port 23 use M12x1,5 threads.
Is this part suitable for heavy commercial vehicles?
Yes, it is specifically designed for heavy commercial vehicle brake systems including trucks and buses.
Does it provide compatibility with WABCO systems?
Yes, this product is fully compatible with WABCO systems such as part number 975 303 474 0.
What is the cut-out pressure for this component?
The specified cut-out pressure for this unloader valve is optimized at a range of 8,1 BAR / 0,2 BAR.