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303.11.0117 Range Change Valve, Gearbox

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303.11.0117 Range Change Valve for Mercedes-Benz

303.11.0117

Summary

This range change valve is designed for heavy commercial vehicle transmissions, specifically compatible with Mercedes-Benz. It functions by directing compressed air to the range cylinder to facilitate shifts between low and high gear groups. Equivalent to OE Mercedes-Benz 0032605663 and WABCO 4213520030.

Product identifiers
EAN Code8683457047716
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Compatible OEM Codes

  • WABCO
    • 421 352 00 30
  • MERCEDES BENZ
    • 003 260 56 63

Description

What does a range change valve do?

This range change valve acts as a critical pneumatic control component within the transmission system. It functions by receiving signals from the range-change switch to direct compressed air toward the range cylinder, which enables the necessary shifts between the low and high gear groups of the transmission.

Vehicle and system compatibility

This component is designed for compatibility with Mercedes-Benz vehicles. It ensures reliable gear transitions under heavy-duty operating conditions, maintaining the integrity of the pneumatic shifting process.

Installation and maintenance guidance

For proper installation and maintenance, technicians should verify all air connections once the component is fitted. With the engine running, every range shift should be tested individually to ensure there are no air leaks at the connection points.

Troubleshooting guidance

If shifting issues occur, it is essential to inspect the pneumatic lines and the valve itself to ensure consistent air pressure delivery to the range cylinder.

OE cross-reference

303.11.0117 (Range Change Valve) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 0032605663. It also replaces WABCO OE number 4213520030.

Other OEMs

MERCEDES BENZ

  • A0032605663
  • 003 260 56 63

WABCO

  • 4213520030
  • 421 352 00 30

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ
WABCO

FAQ

What is the function of a range change valve?
The valve directs compressed air to the range cylinder based on signals from the range-change switch, allowing shifts between low and high gear groups.
Which vehicles are compatible with this part?
This component is compatible with Mercedes-Benz vehicles and is designed for use in heavy commercial vehicle transmissions.
What should be checked after replacing the valve?
With the engine running, test every range shift individually and verify there are no leaks at the air connections.
How do I know if a range change valve is failing?
Symptoms of failure often include difficulty shifting between gear groups or air leaks during the pneumatic shifting process.
What are the OE reference numbers of this part?
303.11.0117 directly replaces Mercedes-Benz OE number 0032605663. It also replaces WABCO OE number 4213520030.