A0034295944 Relay Valve for Mercedes-Benz Trucks

What does a relay valve do?

This relay valve plays a critical role in the compressed air brake system of heavy commercial vehicles by managing rapid air pressure transfer. By responding to pilot signals, it ensures that braking force is applied precisely and effectively to the chambers, supporting the safety and stability of the entire braking circuit.

Compatible vehicles and engines

This component is specifically engineered for use in Mercedes-Benz vehicles. It is designed to meet the rigorous demands of heavy-duty service environments, providing reliable performance under varying pressure conditions. The design ensures seamless integration within the pneumatic brake system of the vehicle.

Installation and maintenance

Installation requires careful attention to the connection points, specifically the M22x1,5 and M16x1,5 ports. Technicians should ensure all connections are secure and that the operating pressure does not exceed the maximum 8 bar limit to prevent system malfunctions or premature wear.

Troubleshooting and selection

Maintaining regular checks of the pneumatic lines and port seals can help prevent air leaks and ensure consistent braking response. When replacing this unit, verify that all mounting surfaces are clean to maintain a high-strength seal.

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 A0034295944.