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301.01.0013 Unloader Valves — DAF Compatible

301.01.0013

Summary

The 301.01.0013 Unloader Valve is a high-precision pneumatic component designed for heavy-duty brake systems. It features specific port configurations including Port 1 (M22x1,5), Port 21 (M22x1,5), and Port 23 (M12x1,5), ensuring reliable pressure regulation and system-wide compatibility.

EAN Code8683457010987
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Description

The 301.01.0013 Unloader Valve serves a critical role in regulating pneumatic pressure within the brake system of heavy commercial vehicles. By managing air-flow-related pressure changes, this component ensures the stability and responsiveness of the pneumatic circuit during operation. Built with heavy-duty grade materials, it is designed to withstand rigorous industrial environments and maintain consistent performance under varying thermal and mechanical loads.

This component is an OE-equivalent for several high-standard systems, including DAF (1519343), IRISBUS (99432140), IVECO (04826204, 4775736, 4775738), PACCAR (CD9753031200), and WABCO (975 303 120 0). 301.01.0013 is the OE-equivalent Unloader Valve used in DAF, IRISBUS, IVECO, and PACCAR heavy commercial vehicle systems. Its precise engineering guarantees seamless integration with existing braking hardware to prevent pressure drops or system failures.

For workshop technicians and fleet managers, the installation process requires strict adherence to port specifications to ensure a leak-free seal. The unit features an M22x1,5 thread on Port 1 and Port 21, and an M12x1,5 thread on Port 23. Regular inspections of the recycle valve functionality and port integrity are recommended during standard brake system maintenance intervals to ensure optimal vehicle safety and longevity.

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

  • 04826204
  • 4775736
  • 4775738

PACCAR

  • CD9753031200

WABCO

  • 975 303 120 0
  • 9753031200

Related Products

Vehicles Used

BrandModelEngine
DAF
IRISBUS
IVECO
PACCAR
WABCO

FAQ

Which vehicles are compatible with the 301.01.0013 Unloader Valve?
This part is compatible with DAF (1519343), IRISBUS (99432140), IVECO (04826204, 4775736, 4775738), PACCAR (CD9753 own_code), and WABCO (975 303 120 0) systems.
What are the technical port specifications for this unit?
The unit features Port 1: M22x1,5; Port 21: M22x1,5; and Port 23: M12x1,5 for precise assembly into the pneumatic system.
Is this an OE-equivalent part for WABCO systems?
Yes, it is a high-quality equivalent for WABCO part number 975 303 120 0 and meets all functional requirements.
Does this part include a recycle valve function?
Yes, the product is equipped with an integrated recycle valve (OK) to assist in pneumatic regulation.
Can this unloader valve be used in heavy commercial vehicles?
Absolutely; it is specifically engineered for the braking systems of heavy commercial vehicles such as trucks and buses from DAF, IVECO, and PACCAR.