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301.01.0012 | Unloader Valves

301.01.0012

Summary

This high-strength Unloader Valve features Port 1: M22x1,5, Port 21: M22x1,5, and Port 22: M12x1,5. It operates with a cut-out pressure of 9,8 BAR / 0,2 BAR and includes a recycle valve functionality for reliable brake system performance in heavy commercial vehicles.

EAN Code8683457010970
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Compatible OEM Codes

  • WABCO 975 303 082 0
  • RENAULT TRUCKS 5010197286
  • LEYLAND ACU7458
  • DAF 272494

Description

The Unloader Valve is a critical component within the brake system designed to manage pneumatic-pressure regulation effectively. This high-strength component ensures precise control over air distribution, providing reliable performance under demanding operating conditions for heavy commercial vehicles.

The Vaden Original 301.01.0012 is the OE equivalent of the DAF 272494, LEYLAND ACU7458, RENAULT TRUCKS 5010197286, and WABCO 9753030820 parts. It is engineered to meet strict technical standards for durability and precision in professional workshop environments.

Technical specifications include a Port 1 of M22x1,5, a Port 21 of M22x1,5, and a Port 22 of M12x1,5. The component is equipped with an integrated recycle valve and is designed to function at a cut-out pressure of 9,8 BAR / 0,2 BAR to maintain system stability during transit.

Maintenance technicians should verify the connection points and ensure the ports are free from debris during installation to prevent pressure fluctuations. Regular inspection of the pneumatic lines connected to the M22x1,5 ports is recommended to ensure long-term operational safety.

Technical Specifications

Port 1M22x1,5
Port 4-
Port 21M22x1,5
Port 22M12x1,5
Port 23-
PluggedOK
Cut-Out Pressure9,8 BAR / 0,2 BAR
Inflation Valve-
Recycle ValveOK

Other OEMs

DAF

  • 272494

LEYLAND

  • ACU7458

RENAULT TRUCKS

  • 5010197286

WABCO

  • 9753030820
  • 975 303 082 0

Related Products

Vehicles Used

BrandModelModel TypeEngine
DAF
LEYLAND
RENAULT TRUCKS
WABCO

FAQ

What are the primary technical specifications for this unloader valve?
This part features Port 1 (M22x1,5), Port 21 (M22x1,5), and Port 22 (M12x1,5). It operates with a cut-out pressure of 9,8 BAR / 0,2 BAR.
Which OEM numbers is this product compatible with?
The product is compatible with DAF 272494, LEYLAND ACU7458, RENAULT TRUCKS 5010197286, and WABCO 9753030820.
Does this component include a recycle valve functionality?
Yes, this unloader valve is equipped with an integrated recycle valve to assist in pneumatic system regulation.
What vehicle types is this part designed for?
It is designed for heavy commercial vehicles and systems requiring precise pneumatic pressure management in the braking circuit.
How can I ensure the correct fitment for my vehicle?
Please verify your vehicle's original part number against the provided compatibility list including DAF and RENAULT TRUCKS specifications.