301.01.0011 Unloader Valves
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301.01.0011 Unloader Valves — DAF Compatible

301.01.0011

Summary

●Port 1: M22x1,5 ●Port 4: - ●Port 21: M22x1,5 ●Port 22: - ●Plugged: ✓ ●Cut-Out Pressure: 9,5 BAR/0,2 BAR ●Inflation Valve: - ●Recycle Valve: ✓ ●Port 1-2: FITTING/KÖR TAPA

EAN Code8683457010963
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Description

The high-strength components of this unloader valve ensure reliable pressure regulation within the pneumatic brake system of heavy commercial vehicles. Designed to maintain precise cut-out pressure levels, this part provides essential stability for heavy-duty operations.

301.01.0011 is the OE-equivalent of the WABCO 975 303 081 0 unloader valve used in DAF, IVECO, MAN, MERCEDES BENZ, and RENAULT TRUCKS systems. This part is fully compatible with various heavy commercial vehicle specifications including MAN 81.52101-6022 and IVECO 04775735.

Workshop technicians can rely on the precision of the M22x1,5 port dimensions and the integrated recycle valve functionality for seamless installation. Regular inspection of the connection points and ensuring the cut-out pressure remains at the calibrated 9,5 BAR/0,2 BAR level is recommended during routine maintenance to ensure optimal pneumatic performance.

Technical Specifications

Port 1M22x1,5
Port 4-
Port 21M22x1,5
Port 22-
PluggedOK
Cut-Out Pressure9,5 BAR / 0,2 BAR
Inflation Valve-
Recycle ValveOK
Port 1-2FITTING/KÖR TAPA

Other OEMs

DAF

  • 1518281
  • 1518282

EVOBUS

  • 8283699000

FAUN

  • 1612023
  • 1612036

IKARBUS

  • 1612023 S
  • 1612036 S

IVECO

  • 04700994
  • 04775735
  • 04775736
  • 04775737
  • 04775738
  • 04784409
  • 04784410
  • 04826204
  • 04842611
  • 24772037
  • 42085760

MACK

  • 6300-9753030810

MAN

  • 81.52101-6022
  • 81.52101-6073
  • 81.52101-6081
  • 81521016022
  • 81521016073
  • 81521016081

MERCEDES BENZ

  • 001 431 22 06
  • 001 431 22 26
  • 001 431 41 06
  • 001 431 42 06
  • 001 431 43 06
  • 001 431 82 06
  • 001 431 99 06
  • 002 431 35 06
  • A0014312206
  • A0014312226
  • A0014314106
  • A0014314206
  • A0014314306
  • A0014318206
  • A0014319906
  • A0024313506

RENAULT TRUCKS

  • 5000241771
  • 5010013400
  • 5010067854

VOLVO

  • 08052340

WABCO

  • 975 303 081 0
  • 9753030810

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
DAF
EVOBUS
FAUN
IKARBUS
IRISBUS
IVECO
MACK
MAN
MERCEDES BENZ
RENAULT TRUCKS
TEREX
VOLVO
WABCO

FAQ

What are the technical port specifications for this unloader valve?
The unit features Port 1 with M22x1,5 threading and Port 21 with M22x1,5 threading, ensuring precise fitment in heavy commercial systems.
Which vehicle brands are compatible with this part?
This part is compatible with DAF, EVOBUS, FAUN, IKARBUS, IVECO, MACK, MAN, MERCEDES BENZ, RENAULT TRUCKS, VOLVO, and WABCO systems.
Can I use this as an equivalent for WABCO or IVECO parts?
Yes, it is a direct equivalent for OEM codes such as WABCO 975 303 081 0, IVECO 4784410, and Mercedes-Benz 001 431 43 06.
What is the standard cut-out pressure for this component?
The technical specification for the cut-out pressure is set at 9,5 BAR / 0,2 BAR to ensure standard operating performance.
Is this part suitable for heavy commercial vehicle brake systems?
Yes, it is specifically designed for the heavy commercial vehicle sector, providing reliable unloader functions for trucks and buses.