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303.01.0008.01 Scania MAN DAF Relay Valve Repair Kit

303.01.0008.01

Summary

This relay valve repair kit is designed for heavy commercial vehicle brake systems, ensuring efficient air delivery. It is compatible with Scania, MAN, and DAF trucks. This kit includes high-strength components to restore relay valve performance effectively. Equivalent to OE WABCO 9730110022.

Product identifiers
EAN Code8699031083834
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Compatible OEM Codes

  • WABCO
    • 973 011 002 2

Description

What does a relay valve repair kit do?

This relay valve repair kit is a critical overhaul component that directly affects the speed and balance of rear axle brake response. By replacing worn internal parts, this kit helps ensure that pilot air from the foot brake valve correctly redirects reservoir air to the brake chambers, minimizing response delay.

Vehicle and engine compatibility

These kits are compatible with Scania, MAN, and DAF trucks. They are also fitted to other heavy commercial vehicles using compatible WABCO systems. Using these high-strength components allows for a more economical maintenance solution than replacing the entire valve assembly.

Installation and maintenance

When performing maintenance, technicians should ensure that all seals and diaphragms are seated correctly to prevent air leaks. Proper installation is essential to maintain the integrity of the pneumatic brake system and ensure balanced braking across the axle.

Troubleshooting and selection

Regular inspection of the relay valve is recommended to identify early signs of wear, such as delayed braking or audible air leaks, to prevent further system complications.

OE cross-reference

303.01.0008.01 (Relay Valve Repair Kit Relay Valves) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9730110022.

Other OEMs

WABCO

  • 9730110022
  • 973.011.002.2
  • 973 011 002 2

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
MAN
ProVia
SCANIA
WABCO

FAQ

What is the purpose of a relay valve repair kit?
It is designed to overhaul a relay valve by replacing internal components like diaphragms and seals, restoring efficient air delivery to the brake chambers.
Which vehicle brands are compatible with this kit?
This kit is compatible with Scania, MAN, and DAF trucks, as well as other heavy commercial vehicles utilizing compatible WABCO systems.
How can I identify if my relay valve needs a repair kit?
Symptoms such as delayed brake response or audible air leaks often indicate that internal diaphragms or O-rings require replacement.
Is it better to repair or replace the entire relay valve?
A repair kit offers an economical solution by restoring original performance without the higher cost of a complete valve assembly replacement.
What are the OE reference numbers of this part?
303.01.0008.01 directly replaces WABCO OE number 9730110022.