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303.10.0008 Gearbox Housing Valve, Gearbox
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303.10.0008 Gearbox Housing Valve for DAF, Scania

303.10.0008

Summary

High-strength gearbox housing valve compatible with DAF, Mercedes-Benz, and Scania heavy commercial vehicles. Features M16x1,5 and M12x1,5 ports and a 37,9 mm lever for precise pneumatic control in transmission systems. Equivalent to OE DAF 1505078, Mercedes-Benz 0039977036 and Scania 1934910.

Product identifiers
EAN Code8683457004740
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Compatible OEM Codes

  • WABCO
    • 463 013 210 0
  • SCANIA
    • 1934910
  • MERCEDES BENZ
    • 003 997 70 36
  • DAF
    • 1505078

Description

What does a gearbox housing valve do?

This gearbox housing valve serves as a critical pneumatic control component mounted on the transmission housing of heavy commercial vehicles. It manages gear and range shifts by directing pressurized air to the working cylinders and maintaining pressure once the range change is complete. This ensures reliable shifting transitions within the transmission assembly.

Vehicle compatibility and application

The component is designed for heavy-duty applications and is compatible with DAF, Mercedes-Benz, and Scania trucks. These parts are engineered to meet the rigorous demands of tractor units and buses in the heavy commercial vehicle sector.

Installation and technical specifications

Technical specifications include specific port sizes such as M16x1,5 and M12x1,5 to ensure precise fitment. When performing maintenance or replacement, technicians should verify the lever length of 37,9 mm and check all port connections to prevent pneumatic leaks or shifting delays.

Maintenance and troubleshooting

Regular inspection of the transmission valve can prevent unexpected downtime in heavy-duty fleets. Ensure the valve is seated correctly within the gearbox housing to maintain optimal air pressure distribution during gear selection processes.

OE cross-reference

303.10.0008 (Gearbox Housing Valve) is the equivalent of the DAF, Mercedes-Benz, Scania and WABCO OE numbers. This part directly replaces DAF OE number 1505078. It also replaces Mercedes-Benz OE number 0039977036, Scania OE number 1934910 and WABCO OE number 4630132100.

Technical Specifications

Technical Specifications
Port 1M16x1,5
Port 21M16x1,5
Port 22M12x1,5
Port 3M12x1,5
Lever mm37,9

Other OEMs

DAF

  • 1505078

MERCEDES BENZ

  • A0039977036
  • 003 997 70 36

SCANIA

  • 1934910

WABCO

  • 4630132100
  • 463.013.210.0
  • 463 013 210 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
MERCEDES BENZ
SCANIA
WABCO

FAQ

What is the function of a gearbox housing valve?
It is a pneumatic component that directs pressurized air to working cylinders to manage gear shifts and maintain pressure during range changes.
Which vehicle brands are compatible with this valve?
This part is designed for use in heavy commercial vehicles from DAF, Mercedes-Benz, and Scania.
What are the specific port sizes for this component?
The unit features M16x1,5 (Port 1 and 21) and M12x1,5 (Port 22 and 3) connections to ensure correct system integration.
How can I identify if a replacement is needed?
Technicians should look for symptoms such as delayed gear shifts or air leaks around the transmission housing ports.
What are the OE reference numbers of this part?
303.10.0008 directly replaces DAF OE number 1505078. It also replaces Mercedes-Benz OE number 0039977036, Scania OE number 1934910 and WABCO OE number 4630132100.