A0034295344 Relay Valve for Mercedes-Benz

What does a relay valve do?

This relay valve plays a critical role in the compressed air brake system of heavy commercial vehicles by facilitating rapid air pressure transfer via a pilot signal. Built with high-strength components, it ensures the stability and responsiveness required for heavy-duty braking applications.

Vehicle compatibility and application

This component is specifically designed for Mercedes-Benz trucks and related heavy commercial vehicle applications. It functions effectively within the pneumatic braking circuit to manage air distribution between the reservoir and the brake chambers.

Technical specifications and installation

The unit is engineered with specific port configurations, including an M22x1.5 primary port and M16x1.5 secondary ports, supporting a maximum operating pressure of 8 BAR. Technicians should ensure all connections are secure and air lines are free of moisture during installation to maintain optimal performance.

Maintenance and troubleshooting

Regular inspection of the valve's mounting position on the chassis can help prevent premature wear from debris or vibration. Consult your authorized distributor to ensure exact fitment for your specific vehicle configuration.

OE cross-reference

303.01.0005 (Relay Valve Relay Valves) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A0034295344.