Skip to content
609 Views Updated

301.01.0041 Unloader Valve compatible with WABCO systems

301.01.0041

Summary

This unloader valve for Iveco and Renault Trucks ensures precise air pressure regulation. Featuring M22x1.5 ports and a 9.5 BAR cut-out pressure, it is designed for heavy-duty brake systems to maintain optimal pneumatic performance. Equivalent to OE Iveco 02517678, Renault Trucks 5000809518 and WABCO 9753001400.

Product identifiers
EAN Code8683457011267
Ready to Order
Get Information

Compatible OEM Codes

  • WABCO
    • 975 300 140 0
  • RENAULT TRUCKS
    • 5000809518
  • IVECO
    • 02517678

Description

What does an unloader valve do?

This unloader valve plays a critical role in the air brake system by managing air pressure levels within the pneumatic circuit. It functions by monitoring pressure continuously and releasing air once the set threshold is reached, ensuring the compressor operates within safe limits. Built with high-strength components, it provides reliable performance under heavy-duty conditions.

Vehicle and system compatibility

This component is specifically designed for Iveco and Renault Trucks vehicles. It is also compatible with WABCO systems, making it a versatile solution for various heavy commercial vehicle applications. The unit is engineered to maintain consistent pressure regulation across diverse operating environments.

Installation and maintenance

Installation requires attention to the M22x1.5 port connections to ensure a secure seal within the air line. Technicians should verify that the cut-out pressure of 9.5 BAR aligns with the specific requirements of the vehicle's pneumatic system during assembly to prevent pressure surges or compressor overwork.

Troubleshooting guidance

Regular inspection of the valve ports and inflation functionality is recommended during routine brake system maintenance to prevent leaks or pressure fluctuations.

OE cross-reference

301.01.0041 (Unloader Valve) is the equivalent of the Iveco, Renault Trucks and WABCO OE numbers. This part directly replaces Iveco OE number 02517678. It also replaces Renault Trucks OE number 5000809518 and WABCO OE number 9753001400.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 4-
Port 21M22x1,5
Cut-Out Pressure9,5 BAR / 0,2 BAR
Inflation ValveOK

Other OEMs

IVECO

  • 02517678

RENAULT TRUCKS

  • 5000809518

WABCO

  • 9753001400
  • 975 300 140 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
IVECO
RENAULT TRUCKS
WABCO

FAQ

What is the function of this unloader valve?
It manages air pressure in the brake system by automatically releasing air when the set cut-out pressure of 9.5 BAR is reached.
Which vehicles are compatible with this part?
This component is designed for Iveco and Renault Trucks, and it is compatible with WABCO systems.
What are the technical port specifications?
The unit features M22x1.5 ports to ensure secure integration into the vehicle's existing pneumatic lines.
How can I identify a faulty unloader valve?
Technicians should look for signs of pressure fluctuations or failure to reach the 9.5 BAR cut-out threshold during testing.
What are the OE reference numbers of this part?
301.01.0041 directly replaces Iveco OE number 02517678. It also replaces Renault Trucks OE number 5000809518 and WABCO OE number 9753001400.