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303.01.0008.02 Compatible Relay Valve Repair Kit

303.01.0008.02

Summary

This relay valve repair kit is designed for heavy commercial vehicle brake systems. It ensures optimal performance for MAN, Scania, and DAF trucks, providing a reliable solution for maintaining high-strength braking components and preventing air leaks. Equivalent to OE WABCO 9730110500S1.

Product identifiers
EAN Code8683457002937
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Compatible OEM Codes

  • WABCO
    • 973 011 050 0 S1

Description

What does a relay valve repair kit do?

This relay valve repair kit provides the necessary components to overhaul relay valves within a heavy commercial vehicle's pneumatic brake system. By replacing worn internal elements, this kit helps restore the rapid air delivery required to balance pressure to the brake chambers, ensuring consistent braking response.

Compatible vehicles and systems

The kit is compatible with WABCO systems and is fitted to MAN, Scania, and DAF trucks. These high-strength components are essential for maintaining the integrity of the air brake circuit in heavy-duty applications.

Installation and maintenance

Technicians should inspect the valve body and pilot air lines during installation to ensure a proper seal. Regular maintenance of these components helps prevent brake delay and potential air leaks in the system. Consult your authorized distributor.

Troubleshooting and selection

A properly maintained relay valve ensures that air is redirected from the reservoir directly to the chambers without delay, maintaining safety during heavy load operations.

OE cross-reference

303.01.0008.02 (Relay Valve Repair Kit Relay Valves) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9730110500S1.

Other OEMs

WABCO

  • 9730110500S1
  • 973 011 050 0 S1

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 relay valves by replacing internal parts to ensure fast, balanced air delivery to the brake chambers in heavy commercial vehicles.
Which vehicle brands are compatible with this kit?
This kit is compatible with WABCO systems and is used in MAN, Scania, and DAF trucks.
What symptoms indicate a need for a repair kit?
Common symptoms include delayed braking response or audible air leaks from the relay valve assembly within the pneumatic system.
How can I ensure I select the correct repair kit?
It is recommended to verify the specific technical requirements of your valve before installation to ensure complete compatibility with existing systems.
What are the OE reference numbers of this part?
303.01.0008.02 directly replaces WABCO OE number 9730110500S1.