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303.01.0032 Relay Valve, Brake System
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303.01.0032 Relay Valve for DAF and Iveco

303.01.0032

Summary

This heavy-duty relay valve features M22x1.5 ports (Port 1, Port 2, and Port 4) and supports a maximum operating pressure of 8 BAR. Designed for reliable pneumatic brake system performance in DAF, Iveco, and Renault Trucks. Equivalent to OE DAF 1519315, Iveco 980895 and Renault Trucks 5430018273.

Product identifiers
EAN Code8683457009141
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Compatible OEM Codes

  • WABCO
    • 973 001 031 0
  • RENAULT TRUCKS
    • 5430018273
  • IVECO
    • 980895
  • DAF
    • 1519315

Description

What does a relay valve do?

This relay valve plays a critical role in the compressed air brake systems of heavy commercial vehicles by facilitating rapid air pressure transfer triggered by a pilot signal.

Vehicle compatibility and fitment

The component is specifically designed to meet the requirements of DAF, Iveco, and Renault Trucks. It functions within the pneumatic circuit to ensure precise braking response for heavy-duty applications. This part is also compatible with WABCO systems.

Technical specifications and installation

The unit features M22x1.5 thread specifications for Port 1, Port 2, and Port 4, ensuring a secure fit during installation. Technicians should verify that the system pressure does not exceed the maximum rating of 8 BAR to maintain optimal performance and seal integrity.

Maintenance and troubleshooting

To ensure proper operation, check all connection points for air leaks and inspect the valve mounting on the chassis regularly. Maintaining clean air supply helps prevent premature wear in the internal pilot mechanism.

OE cross-reference

303.01.0032 (Relay Valve Relay Valves) is the equivalent of the DAF, Iveco, Renault Trucks and WABCO OE numbers. This part directly replaces DAF OE number 1519315. It also replaces Iveco OE number 980895, Renault Trucks OE number 5430018273 and WABCO OE number 9730010310.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 2M22x1,5
Port 4M22x1,5
PressureMAX 8 BAR

Other OEMs

DAF

  • 1519315

IVECO

  • 980895

RENAULT TRUCKS

  • 5430018273

WABCO

  • 9730010310
  • 973 001 031 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
IVECO
RENAULT TRUCKS
WABCO

FAQ

What is the primary function of this relay valve?
It facilitates rapid air pressure transfer within the pneumatic braking system upon receiving a pilot signal from the control valve.
What are the connection specifications for this part?
The valve is equipped with M22x1.5 ports (Port 1, Port 2, and Port 4) and is rated for a maximum operating pressure of 8 BAR.
Which vehicle brands is this component compatible with?
This component is compatible with DAF, Iveco, and Renault Trucks vehicles, as well as WABCO systems.
Where should the relay valve be installed?
It is typically mounted on the vehicle chassis between the main air reservoir and the brake chambers to manage air distribution.
What are the OE reference numbers of this part?
303.01.0032 directly replaces DAF OE number 1519315. It also replaces Iveco OE number 980895, Renault Trucks OE number 5430018273 and WABCO OE number 9730010310.