8030222 Levelling Valve for Volvo NL12

What does a levelling valve do?

This levelling valve plays a critical role in the air suspension system by maintaining the correct ride height of the vehicle. It functions by responding to changes in load, regulating air pressure to ensure the chassis remains stable and level during operation. Built with high-strength components, it is designed to withstand the rigorous demands of heavy commercial vehicle use.

Vehicle and engine compatibility

This specific part is compatible with Volvo NL12 trucks equipped with D12A engines. It is engineered to match the precise requirements of the vehicle's suspension geometry, ensuring reliable performance under varying load conditions.

Installation and maintenance

The unit features three M12x1.5 ports and a lever diameter ranging from Ø 6 to 315 mm. For proper installation, technicians should verify the operating direction and ensure all connections are secure to maintain the 13 BAR maximum operating pressure limit.

Troubleshooting guidance

Regular inspection of the lever linkage and port seals can prevent sudden changes in ride height or uneven suspension wear. Consult your authorized distributor for more information.

OE cross-reference

303.07.0001 (Levelling Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 8030222.