A0014299144 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 by facilitating rapid air pressure transfer triggered by a pilot signal. Designed for heavy commercial vehicle applications, this component ensures that braking force is delivered efficiently to the chambers, maintaining system responsiveness and safety under load.

Compatible vehicles and engines

This component is compatible with Mercedes-Benz trucks and other heavy-duty vehicles. It is engineered to meet the rigorous demands of professional fleet operations, providing consistent performance within the pneumatic braking circuit.

Installation and maintenance

The unit features an M22x1.5 port and two M16x1.5 ports, with a maximum operating pressure of 8 BAR. Technicians should ensure all connections are secure and check for air leaks during installation to maintain optimal system pressure and prevent premature wear of the sealing elements.

Troubleshooting and selection

Regular inspection of the pneumatic lines and port integrity is recommended to ensure the braking signal remains precise throughout the service life of the part.

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 A0014299144.