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303.03.0029 Compatible Cab Suspension Levelling Valve

303.03.0029

Summary

This cab suspension levelling valve is designed for heavy commercial vehicle cab stability. It functions within the cabin suspension system to maintain correct height and balance. Compatible with WABCO systems and high-strength components. Equivalent to OE WABCO 4640070310.

Product identifiers
EAN Code8683457053632
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Compatible OEM Codes

  • WABCO
    • 464 007 031 0

Description

What does a cab suspension levelling valve do?

This cab suspension levelling valve plays a critical role in maintaining the equilibrium of the cabin within the heavy commercial vehicle chassis. By managing air pressure in the bellows, it ensures a stable and comfortable environment for the driver during operation. The component is engineered using high-strength components to withstand continuous vibration and varying load conditions.

Vehicle and system compatibility

This part is designed for use in various heavy commercial vehicle applications. It is specifically compatible with WABCO systems to ensure precise height control and stability. Professional technicians can rely on this component to maintain the structural integrity of the cabin suspension system.

Installation and maintenance

To ensure proper function, technicians should inspect the linkage, rods, and ball joints during routine maintenance. Proper installation requires checking that the valve reacts correctly to lever movements to prevent uneven cabin tilt. Regular inspection of the air connections helps prevent leaks that could compromise cabin stability.

Troubleshooting guidance

If a cabin tilt is uneven or height fluctuates significantly, it may indicate a need for valve replacement or repair of the linkage components.

OE cross-reference

303.03.0029 (Cab Suspension Levelling Valve) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4640070310.

Other OEMs

WABCO

  • 4640070310
  • 464 007 031 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
WABCO

FAQ

What is the function of a cab suspension levelling valve?
It regulates air pressure in the cabin bellows to maintain a constant, stable height for the driver's compartment.
Which systems are these valves compatible with?
These valves are designed to be compatible with WABCO systems and other heavy commercial vehicle air suspension setups.
What are common symptoms of a faulty levelling valve?
Symptoms include uneven cabin tilt, inconsistent cab height, or excessive vibration during transit.
Can I replace only the linkage instead of the whole valve?
If the main valve body remains sound, technicians can often renew only the control lever, rod, or gasket sets.
What are the OE reference numbers of this part?
303.03.0029 directly replaces WABCO OE number 4640070310.