3038069 Compatible Levelling Valve — Volvo VNL

What does a levelling valve do?

This levelling valve plays a critical role in the pneumatic suspension system by maintaining the correct vehicle height during operation. It regulates air pressure within the suspension bellows to ensure even load distribution and stability across various driving conditions.

Vehicle compatibility and engine fitment

This component is specifically compatible with Volvo VNL trucks featuring D12 engines. It is engineered to withstand demanding heavy commercial vehicle environments while maintaining precise pressure regulation for the air suspension system.

Technical specifications and ports

The unit features M12x1,5 thread sizes on Port 1, Port 4, and the dual Port 21 configuration. It is designed to operate at a pressure of 10 BAR, with an inner hole diameter of 21 / Ø 1,80 mm to ensure efficient airflow and response.

Maintenance and installation guidance

When inspecting suspension systems, technicians should check for air leaks or uneven height settings that may indicate valve wear. Maintaining proper port cleanliness and ensuring correct installation of the M12x1,5 connections will help prevent premature failure in the suspension assembly.

OE cross-reference

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