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303.11.0100 Retarder Control Valve, Gearbox
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303.11.0100 DAF Retarder Control Valve Equivalent

303.11.0100

Summary

This retarder control valve is engineered for heavy commercial vehicle hydraulic systems, ensuring precise oil flow regulation. It is compatible with DAF XF105, CF85, CF75, and 95XF models, as well as Iveco and MAN trucks. Built with high-strength components to maintain reliable deceleration. Equivalent to OE DAF 1916689, Iveco 42567971 and MAN 81259020551.

Product identifiers
EAN Code8683457041684
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Compatible OEM Codes

  • ZF
    • 0501 330 120
  • MAN
    • 81.25902-0551
  • IVECO
    • 42567971
  • DAF
    • 1916689

Description

What does a retarder control valve do?

The retarder control valve is a critical component within the hydraulic retarder system integrated into the transmission housing of heavy commercial vehicles. It functions by regulating oil flow to manage the timing and intensity of the deceleration force, allowing for staged braking without excessive wear on the service brakes.

Vehicle and engine compatibility

This part is specifically designed to fit DAF models including the 95XF, CF85, CF75, and XF105. It is also fitted to Iveco and MAN trucks. The component ensures seamless integration within the deceleration management system of these heavy-duty vehicles.

Installation and maintenance guidance

For optimal performance, technicians should verify the mounting specifications and ensure the hydraulic lines are free of contaminants during installation. Maintaining clean oil within the system is essential for the longevity of the valve and the overall transmission health.

Troubleshooting deceleration issues

When a control valve begins to fail, drivers may experience a loss of deceleration or inconsistent braking force. Regular inspection of the transmission's hydraulic components can prevent sudden loss of engine braking during heavy load operations.

OE cross-reference

303.11.0100 (Retarder Control Valve) is the equivalent of the DAF, Iveco, MAN and ZF OE numbers. This part directly replaces DAF OE number 1916689. It also replaces Iveco OE number 42567971, MAN OE number 81259020551 and ZF OE number 0501330120.

Other OEMs

DAF

  • 1916689

IVECO

  • 42567971

MAN

  • 81259020551
  • 81259020549
  • 81-25902.0549
  • 81.25902-0551

ZF

  • 0501330120
  • 0501 330 120

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
DAF 95XF
DAF CF75
DAF CF85
DAF XF105
IVECO
MAN
ZF

FAQ

What is the function of a retarder control valve?
It regulates oil flow within the transmission's hydraulic retarder unit to control the strength and timing of the deceleration force.
Which vehicles are compatible with this part?
This valve is compatible with DAF models like the XF105, CF85, CF75, and 95XF, as well as Iveco and MAN trucks.
How do I know if the retarder valve is failing?
Common symptoms include a loss of braking/deceleration effect or an uncontrolled engagement of the retardation force.
Can I use this for ZF or Voith systems?
Yes, this component is designed for use in systems compatible with ZF and Voith-based hydraulic retarder configurations.
What are the OE reference numbers of this part?
303.11.0100 directly replaces DAF OE number 1916689. It also replaces Iveco OE number 42567971, MAN OE number 81259020551 and ZF OE number 0501330120.