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303.01.0021.01 DAF Repair Kit, Relay Valve

303.01.0021.01

Summary

The VADEN ORIGINAL 303.01.0021.01 is a high-strength component designed for the Brake System. This Repair Kit, Relay Valve is engineered to be compatible with DAF (1297355) and WABCO (9730110012) systems, ensuring reliable performance in heavy commercial vehicle applications.

Product identifiers
EAN Code8683457002975
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Compatible OEM Codes

  • WABCO
    • 973 011 001 2
  • DAF
    • 1297355

Description

The VADEN ORIGINAL 303.01.0021.01 is a precision-engineered component designed to maintain the optimal functionality of the pneumatic braking system. As a specialized repair kit for relay valves, it ensures that the critical pressure regulation and response times required for heavy-duty braking remain within standard operating parameters.

This high-strength component is an OE equivalent for the DAF 1297355 and WABCO 9730110012 products used in heavy commercial vehicle systems. 303.01.0021.01 is the OE equivalent of the DAF 1297355 relay valve used in DAF vehicles. The kit provides a seamless fit for maintenance professionals aiming to restore system integrity without replacing entire valve assemblies.

For workshop technicians, this kit offers a streamlined solution for routine pneumatic system overhauls. It is essential for maintaining consistent braking performance and preventing pressure loss in the air brake circuit. Regular-interval replacement of internal components using this kit helps prevent unexpected downtime during heavy-duty operations.

Proper installation should be performed by a qualified technician to ensure all seals and moving parts are correctly seated within the relay valve housing to maintain system safety.

Other OEMs

DAF

  • 1297355

WABCO

  • 9730110012
  • 973.011.001.2
  • 973 011 001 2

Vehicles Used

Vehicles Used
BrandModelModel TypeEngine
DAF
WABCO

FAQ

What are the compatible OEM cross-references for this kit?
This repair kit is compatible with the following OEM numbers: DAF 1297355, WABCO 9730110012.
Which vehicle systems is this component designed for?
This product is specifically designed for the braking systems of heavy commercial vehicles, ensuring compatibility with DAF and WABCO hardware.
What is the primary function of this repair kit?
The kit provides the necessary internal components to service and restore the functionality of a relay valve within a pneumatic brake system.
Can this kit be used for general truck maintenance?
Yes, it is an ideal solution for workshop technicians performing maintenance on relay valves in heavy-duty truck and bus braking systems.
How can I identify if a relay valve needs this repair kit?
Signs of wear include inconsistent air pressure response or leaks within the pneumatic circuit that require component-level servicing.