303.03.0008 Cab Suspension Levelling Valve for Volvo

What does a cab suspension levelling valve do?

This cab suspension levelling valve is a critical component within the pneumatic suspension system of heavy commercial vehicles. It functions by regulating air pressure within the cab bellows to maintain a consistent ride height, ensuring stability and driver comfort during operation. Built with heavy-duty grade materials, this component is designed to withstand the rigorous vibrations and environmental stresses typical of long-haul transport.

Vehicle and engine compatibility

This part is compatible with various Volvo models including FH12, FH13, FH16, FM series, FMX, NH12, VHD, and VNL, as well as Mack Granite and Pinnacle units. It is also fitted to Renault Trucks models like Kerax, Magnum, and Premium. This specific configuration features Ø6 ports and a 102 mm lever to ensure precise leveling accuracy.

Installation and maintenance

For optimal performance, technicians should inspect the lever rod and air lines during routine maintenance. Ensuring the 102 mm lever moves freely without obstruction is essential for accurate sensing. When replacing this component, verify that the port sizes match the existing pneumatic lines to prevent air leaks.

Troubleshooting guidance

If the cabin fails to return to its original height or exhibits uneven tilting, this valve may require inspection or replacement. Consult your authorized distributor for fitment confirmation.

OE cross-reference

303.03.0008 (Cab Suspension Levelling Valve) is the equivalent of the Renault Trucks, Volvo and WABCO OE numbers. This part directly replaces Renault Trucks OE numbers 5010424865, 7420746477. It also replaces Volvo OE numbers 20591468, 20746477 and WABCO OE number 4640070120.