303.01.0017 Relay Valve Compatible with Volvo and Renault Trucks

What does a relay valve do?

This relay valve is a critical component within the compressed air brake system of heavy-duty vehicles, ensuring rapid air pressure transfer triggered by a pilot signal to facilitate efficient braking performance. It is manufactured using high-strength components to withstand demanding operating conditions in the brake system.

Vehicle and engine compatibility

This component is designed for use in various heavy commercial vehicles, including Volvo models such as FH, FM, FMX, NH, VHD, VNL, B11R, and B13R, as well as Renault Trucks models like Kerax, Magnum, and Premium. It is also compatible with Mack Granite and Pinnacle units. The valve is also fitted to DAF trucks.

Technical specifications

Technical specifications include Port 1: M22x1.5 VOSS, Port 21: M22x1.5 VOSS, Port 22: M16x1.5 VOSS, Port 41: M16x1.5 VOSS, and Port 42: M16x1.5 VOSS. The maximum operating pressure is rated at 13 BAR to ensure safe and reliable pneumatic control.

Installation guidance

When replacing this unit, technicians should verify the port configurations and ensure the mounting area is clean to maintain system integrity. For optimal performance in heavy-duty applications, consult your authorized distributor.

OE cross-reference

303.01.0017 (Relay Valve Relay Valves) is the equivalent of the DAF, Renault Trucks, Volvo and WABCO OE numbers. This part directly replaces DAF OE number 1518270. It also replaces Renault Trucks OE number 5010260705, Volvo OE number 25328737 and WABCO OE number 9730112060.