Skip to content

1579 Views Updated

303.13.0003 Trailer Height Adjustment Valve Compatible

303.13.0003

Summary

This pneumatic height adjustment valve is designed for heavy commercial vehicle air suspension systems. It ensures precise level regulation for trailers and semi-trailers, compatible with Scania, Krone, and Kögel systems to maintain optimal load stability and ride comfort. Equivalent to OE Kögel 6503484, Krone 515003585 and Scania 2089913.

Product identifiers
EAN Code8683457050433
Ready to Order
Get Information

Compatible OEM Codes

  • WABCO
    • 463 032 220 0
  • SCANIA
    • 2089913
  • KRONE
    • 515003585
  • KÖGEL
    • 6503484

Description

What does a height adjustment valve do?

This pneumatic height adjustment valve plays a critical role in the air suspension system of heavy commercial vehicles. By regulating air pressure within the suspension bellows, it maintains the correct vehicle height regardless of load variations. This precision is essential for ensuring stable driving dynamics and preventing uneven tire wear during transport.

Compatible vehicles and engines

This component is compatible with Scania, Krone, and Kögel vehicles. It is also fitted to other heavy commercial vehicle makes such as Mercedes-Benz, MAN, Volvo, DAF, Iveco, Renault, BMC, and Ford. The valve operates via a linkage or sensor mechanism to provide consistent leveling across various road conditions.

Installation and maintenance

For workshop technicians performing maintenance, it is vital to check the linkage geometry and air connections during installation. Ensuring that the valve is correctly aligned with the suspension arm will prevent premature wear of the internal sealing gaskets. Proper inspection of the pneumatic lines is recommended to avoid leaks that could affect leveling accuracy.

Troubleshooting and system stability

Maintaining a stable ride height helps preserve the integrity of the entire braking and suspension system. If the vehicle exhibits uneven leaning or inconsistent ride quality, inspecting the height adjustment valve is a recommended first step for fleet managers and technicians.

OE cross-reference

303.13.0003 (Trailer Height Adjustment Valve) is the equivalent of the Kögel, Krone, Scania and WABCO OE numbers. This part directly replaces Kögel OE number 6503484. It also replaces Krone OE number 515003585, Scania OE number 2089913 and WABCO OE number 4630322200.

Other OEMs

KÖGEL

  • 6503484

KRONE

  • 515003585

SCANIA

  • 2089913

WABCO

  • 4630322200
  • 463 032 220 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KÖGEL
KRONE
SCANIA
WABCO

FAQ

What is the function of a trailer height adjustment valve?
It regulates air pressure in the suspension to maintain a consistent vehicle height under varying loads, ensuring stability.
Which vehicle types are compatible with this valve?
This valve is designed for heavy commercial vehicles including trucks, tractors, and trailers such as Scania and Krone.
How can I identify if the valve needs replacement?
Symptoms include uneven vehicle leaning when loaded or inconsistent ride comfort due to improper pneumatic leveling.
What materials are used in these components?
These valves are constructed using high-strength components to ensure durability in demanding heavy-duty environments.
What are the OE reference numbers of this part?
303.13.0003 directly replaces Kögel OE number 6503484. It also replaces Krone OE number 515003585, Scania OE number 2089913 and WABCO OE number 4630322200.