3038069 Volvo FH12 D12D Levelling Valve

What does a levelling valve do?

This levelling valve plays a critical role in the air suspension system by maintaining the correct vehicle height under varying loads. By regulating air pressure within the bellows, it ensures the chassis remains stable and level during transit, which is essential for the safety and stability of heavy commercial vehicles.

Vehicle and engine compatibility

This specific component is compatible with Volvo FH12 trucks equipped with D12D engines. It is designed to integrate seamlessly into the suspension architecture to provide consistent performance in demanding environments.

Technical specifications

Technical specifications include M12x1,5 threading for Port 1, Port 4, and dual M12x1,5 connections for Port 21. The unit is rated for a maximum operating pressure of 10 BAR and features an inner hole diameter of 21 / Ø 1,80 to facilitate precise pneumatic control.

Installation and maintenance

To ensure proper function, technicians should inspect the air lines and mounting points for any debris or leaks during installation. Maintaining clean connections helps prevent premature wear of the internal components.

OE cross-reference

303.07.0005 (Levelling Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 3038069.