3038069 Compatible Levelling Valve — Volvo B12

What does a levelling valve do?

This levelling valve plays a critical role in maintaining the correct ride height of the vehicle's air suspension system. By regulating air pressure within the bellows, it ensures even load distribution and stability during operation. The component is manufactured using heavy-duty grade materials to withstand the rigorous demands of heavy commercial vehicle environments.

Vehicle and engine compatibility

This specific model is designed to fit Volvo B12 vehicles equipped with D12A engines. It is an essential component for maintaining the equilibrium of the suspension system under varying load conditions. The part features specialized M12x1,5 ports (Port 1, Port 4, and dual Port 21) to ensure precise pneumatic control.

Installation and maintenance

Maintenance of the suspension system should include regular inspections of the valve's port connections and pressure stability. Ensuring that the 10 BAR operating pressure is maintained helps prevent uneven wear on other suspension components. Technicians should verify all M12x1,5 thread integrity during installation to ensure a secure fit.

Troubleshooting guidance

When troubleshooting suspension height issues, check this valve for any signs of air leaks or mechanical sticking. Proper selection ensures the pneumatic system functions correctly across different load scenarios. Check the compatibility list.

OE cross-reference

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