303.01.0001.02 Volvo Relay Valve Repair Kit

What does a relay valve repair kit do?

A relay valve repair kit is a specialized maintenance set used to restore the sealing and pneumatic integrity of relay valves within a vehicle's braking system. These kits are essential for workshop technicians to address leaks or pressure regulation issues without replacing the entire valve assembly.

Compatible vehicles and engines

This kit is specifically engineered for Volvo trucks including the B10B, F12, F7, B12, B10M, FL12, F10, N12, FL10, NL12, NL10, and N10 models. It is also fitted to other heavy commercial vehicles like Scania, MAN, DAF, Iveco, and Renault Trucks. For optimal results, technicians should verify the valve body type before installation.

Maintenance and installation

When performing maintenance on pneumatic braking components, it is vital to inspect all internal seals and diaphragms. Using high-strength components ensures that the relay valve maintains correct pressure modulation under heavy-duty operating conditions. Proper installation helps prevent air leaks and ensures consistent braking response across the entire pneumatic circuit.

Selection guidance

Consult your authorized distributor to ensure this kit meets your specific requirements.

OE cross-reference

303.01.0001.02 (Relay Valve Repair Kit Relay Valves) is the equivalent of the WABCO OE numbers. This part directly replaces WABCO OE numbers 9730010100S1, 9730010200S1.