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301.01.0015 Unloader Valves — IVECO

301.01.0015

Summary

The 301.01.0015 Unloader Valve is a high-precision component designed for heavy commercial vehicle brake systems. Featuring M22x1,5 ports and a cut-out pressure of 7,8 BAR / 0,2 BAR, it ensures reliable pneumatic regulation. Compatible with DEUTZ, IVIVECO, LIEBHERR, and WABCO systems.

EAN Code8683457011007
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Description

The heavy-duty Unloader Valve is a critical component within the pneumatic brake system of heavy commercial vehicles, ensuring precise pressure regulation and system stability. Designed to handle demanding operational environments, this part provides consistent performance for essential pneumatic functions, including inflation and recycling processes.

This specific model is an OE-equivalent for the DEUTZ 4398756 and WABCO 975 303 441 0 unloader valves used in various heavy-duty applications including DEUTZ, IVECO, LIEBHERR, and WABCO systems. It is engineered to meet the strict requirements of vehicle manufacturers such as IVECO (covering codes 42007712, 42021855, 42085761, 42008234, 42009103, 42021855, 4831983, 4842612), FREIGHTLINER, KENWORTH, and PETERBILT.

For workshop technicians performing maintenance or assembly, this valve features a standardized Port 1 (M22x1,5) and Port 21 (M22x1,5) configuration. The technical specifications include a cut-out pressure of 7,8 BAR / 0,2 BAR and includes an integrated inflation valve and recycle valve functionality. It is essential to verify port compatibility and pressure settings during installation to ensure optimal brake system performance.

Maintenance professionals should monitor the valve's performance during routine service intervals to prevent any pneumatic irregularities in the braking circuit. This component's robust design is optimized for long-term reliability in heavy-duty truck and bus architectures.

Technical Specifications

Port 1M22x1,5
Port 4-
Port 21M22x1,5
Port 23-
PluggedOK
Cut-Out Pressure7,8 BAR / 0,2 BAR
Inflation ValveOK
Recycle ValveOK
Port 22FITTING/KÖR TAPA

Other OEMs

DEUTZ

  • 4398756

IVECO

  • 04784766
  • 04804764
  • 04831983
  • 04842612
  • 42007712
  • 42008234
  • 42009103
  • 42021855
  • 42085761

LIEBHERR

  • 5026264
  • 5029655

WABCO

  • 975 303 441 0
  • 9753034410

Related Products

Vehicles Used

BrandModelEngine
DEUTZ
FREIGHTLINER
IVECO
KENWORTH
LIEBHERR
MERITOR
PETERBILT
VAN HOOL
WABCO

FAQ

Which vehicles are compatible with the 301.01.0015 unloader valve?
This valve is compatible with heavy commercial vehicles from IVECO (codes: 4398756, 42085761, 42021855, 42007712, 42008234, 42009103), DEUTZ (4398756), LIEBHERR (5026264), and WABCO systems.
What are the technical port specifications for this part?
The unit features Port 1 (M22x1,5) and Port 21 (M22x1,5). It is designed for precise pneumatic control within the braking system.
What is the rated cut-out pressure for this unloader valve?
The operational cut-out pressure for this component is specified at 7,8 BAR / 0,2 BAR to ensure standard braking-system safety.
Is this part suitable for heavy-duty truck applications?
Yes, it is designed specifically for heavy commercial vehicles including brands like IVECO, LIEBHERR, and WABCO systems.
Does this part include an inflation valve?
Yes, the unit comes equipped with an integrated inflation valve and a recycle valve functionality for complete pneumatic regulation.