301.01.0023 Unloader Valves
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301.01.0023 Unloader Valves — Vaden Original

301.01.0023

Summary

High-strength Unloader Valves (301.01.0023) featuring Port 1: M22x1,5, Port 4: M12x1,5, Port 21: M22x1,5, Port 22: M12x1,5, and Port 23: M12x1,5. Designed for heavy-duty brake systems with a cut-out pressure of 8,1 BAR / 0,2 BAR. Compatible with DAF, IVECO, MAN, and WABCO systems.

EAN Code8683457011083
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Compatible OEM Codes

  • IVECO 1118956 1118681 10298460 03429296 03410538 03410537
  • DAF 302239 105101
  • WABCO 975 303 061 0
  • NOOTEBOOM 73105
  • MERITOR S9753030610
  • MERCEDES BENZ 000 431 18 06
  • MAN 81.81011-7110
  • IRISBUS U402151462
  • FAUN 1612011

Description

The VADEN ORIGINAL 301.01.0023 is a precision-engineered component designed to ensure reliable pressure regulation within the pneumatic brake system of heavy commercial vehicles. This unloader valve plays a critical role in maintaining optimal operating pressure, ensuring the stability and safety of the vehicle's pneumatic circuits during transit.

This product is an OE equivalent of the DAF 105101 and 302239, FAUN 1612011, IRISBUS U402151462, IVECO 03410537, 03410538, 03429296, 10298460, 1118681, 1118956, MAN 81810117110, MERCEDES BENZ 0004311806, MERITOR S9753030610, NOOTEBOOM 73105, and WABCO 9753030610 components. It is engineered to meet the rigorous demands of heavy-duty applications across various brands including DAF, FAUN, IRISBUS, IVECO, KENWORTH, MAN, MERCEDES BENZ, MERITOR, NOOTEBOOM, and WABCO systems.

The technical configuration includes specific port dimensions for seamless integration: Port 1 (M22x1,5), Port 4 (M12x1,5), Port 21 (M22x1,5), Port 22 (M12x1,5), and Port 23 (M12x1,5). The cut-out pressure is set at 8,1 BAR / 0,2 BAR to provide stable performance in demanding environments.

For workshop technicians performing maintenance or system overhauls, this part offers a direct fitment solution. Regular inspection of the pneumatic connections and port integrity is recommended to ensure long-term reliability within the brake system.

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 Valve-
Recycle Valve-

Other OEMs

DAF

  • 302239
  • 105101

FAUN

  • 1612011

IRISBUS

  • U402151462

IVECO

  • 1118956
  • 1118681
  • 10298460
  • 03429296
  • 03410538
  • 03410537

KENWORTH

  • S975-303-061-0

MAN

  • 81810117110
  • 81.81011-7110

MERCEDES BENZ

  • A0004311806
  • 0004311806
  • 000 431 18 06

MERITOR

  • S9753030610

NOOTEBOOM

  • 73105

WABCO

  • 9753030610
  • 975 303 061 0

Related Products

Repair Kits

Vehicles Used

BrandModelModel TypeEngine
DAF
FAUN
IRISBUS
IVECO
KENWORTH
MAN
MERCEDES BENZ
MERITOR
NOOTEBOOM
WABCO

FAQ

What are the main technical specifications for this unloader valve?
The unit features Port 1 (M22x/M) and Port 4 (M) configurations with a cut-out pressure of 8.1 BAR / 0.2 BAR for stable pneumatic control.
Which OEM reference numbers are compatible with this part?
Compatible OE codes include DAF 302239, FAUN 16120_ , IRISBUS U4_ , IVECO 96_ , MAN 8_ , MERCEDES BENZ _ , MERITOR S_ , NOOTEBOOM _ , and WABCO 9753_ .
Can this part be used in heavy commercial vehicle brake systems?
Yes; it is specifically designed for high-duty braking cycles in heavy commercial vehicles and compatible with major brands like IVECO and MAN.
What is the importance of the cut-out pressure in these valves?
The cut-out pressure ensures that the pneumatic system maintains the correct pressure threshold to prevent overcharging or system instability.
Is this part compatible with WABCO or MERITOR systems?
Yes, it serves as an equivalent for specific WABCO and MERITOR system requirements within heavy vehicle braking architectures.