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301.01.0013 Unloader Valve, Brake System
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301.01.0013 Unloader Valve for DAF and Iveco

301.01.0013

Summary

High-strength unloader valve featuring M22x1.5 and M12x1.5 port configurations. This component is designed for heavy commercial vehicle air brake systems, ensuring reliable pressure regulation in DAF, Iveco, Irisbus, and PACCAR applications. Equivalent to OE DAF 1519343, Irisbus 99432140 and Iveco 04826204.

Product identifiers
EAN Code8683457010987
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Compatible OEM Codes

  • IVECO
    • 4775738
    • 4775736
    • 04826204
  • WABCO
    • 975 303 120 0
  • PACCAR
    • CD9753031200
  • IRISBUS
    • 99432140
  • DAF
    • 1519343

Description

What does an unloader valve do?

This unloader valve serves as a critical component within the pneumatic brake system, managing air pressure regulation to ensure consistent performance. Built with high-strength components, it provides reliable pressure relief and monitoring within the air brake and compressor systems of heavy-duty vehicles.

Vehicle and engine compatibility

Designed for heavy commercial vehicle applications, this unit is compatible with DAF, Irisbus, Iveco, and PACCAR trucks. It integrates seamlessly into systems requiring specific port dimensions, including M22x1.5 and M12x1.5 connections to maintain optimal pneumatic flow.

Installation and maintenance

For professional installation, technicians should verify the port sizes (M22x1.5 and M12x1.5) against the existing pneumatic lines to ensure a precise fit. Regular inspection of the recycle valve functionality is recommended to maintain system integrity during routine maintenance intervals.

System troubleshooting

Consult your authorized distributor.

OE cross-reference

301.01.0013 (Unloader Valve) is the equivalent of the DAF, Irisbus, Iveco, PACCAR and WABCO OE numbers. This part directly replaces DAF OE number 1519343. It also replaces Irisbus OE number 99432140, Iveco OE numbers 04826204, 4775736, 4775738, PACCAR OE number CD9753031200 and WABCO OE number 9753031200.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 4-
Port 21M22x1,5
Port 22 -
Port 23M12x1,5
Inflation Valve-
Recycle ValveOK

Other OEMs

DAF

  • 1519343

IRISBUS

  • 99432140

IVECO

  • 4775738
  • 4775736
  • 04826204

PACCAR

  • CD9753031200

WABCO

  • 9753031200
  • 975 303 120 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
IRISBUS
IVECO
PACCAR
WABCO

FAQ

What is the function of this unloader valve?
It manages air pressure within the pneumatic system by monitoring levels and facilitating automatic air release at set thresholds to maintain stable operation.
Which vehicle brands are compatible with this part?
This component is designed for heavy commercial vehicles from DAF, Irisbus, Iveco, and PACCAR.
What are the technical port specifications?
The unit features M22x1.5 ports (Port 1 and Port 21) and an M12x1.5 port (Port 23) to ensure precise connection within the air system.
Does this part include a recycle valve?
Yes, this specific model is equipped with a functional recycle valve to assist in system pressure management.
What are the OE reference numbers of this part?
301.01.0013 directly replaces DAF OE number 1519343. It also replaces Irisbus OE number 99432140, Iveco OE numbers 04826204, 4775736, 4775738, PACCAR OE number CD9753031200 and WABCO OE number 9753031200.