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303.11.0127 Retarder Valve, Gearbox
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303.11.0127 Retarder Valve for Mercedes-Benz

303.11.0127

Summary

This retarder valve is designed for heavy commercial vehicle braking systems, ensuring precise control for Mercedes-Benz trucks. It provides reliable operation within the retarder system to maintain consistent deceleration performance during heavy-duty service. Equivalent to OE Mercedes-Benz 0044303281, Voith 15300134210 and WABCO 4722600060.

Product identifiers
EAN Code8683457065994
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Compatible OEM Codes

  • WABCO
    • 472 260 006 0
  • VOITH
    • 15300134210
  • MERCEDES BENZ
    • 004 430 32 81

Description

What does a retarder valve do?

This retarder valve plays a critical role in the hydraulic control of the vehicle's retarder system. By regulating fluid flow, it allows for smooth and controlled deceleration, reducing the reliance on service brakes during long descents. This component is manufactured from high-strength components to withstand demanding operating conditions.

Vehicle and system compatibility

This part is compatible with Mercedes-Benz vehicles and meets the requirements of systems from Voith and WABCO. It is specifically engineered to integrate seamlessly into the existing gearbox and braking architecture of heavy commercial vehicles.

Maintenance and inspection

For optimal performance, technicians should inspect the valve during routine gearbox maintenance. Ensuring that the valve operates without leaks or pressure drops is essential for maintaining the integrity of the entire retarder assembly.

Troubleshooting guidance

If deceleration performance feels inconsistent or if there are irregularities in the braking force, checking the control valve is a recommended step for workshop professionals.

OE cross-reference

303.11.0127 (Retarder Valve) is the equivalent of the Mercedes-Benz, Voith and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 0044303281. It also replaces Voith OE number 15300134210 and WABCO OE number 4722600060.

Other OEMs

MERCEDES BENZ

  • A0044303281
  • 004 430 32 81

VOITH

  • 15300134210

WABCO

  • 4722600060
  • 472 260 006 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ
VOITH
WABCO

FAQ

What is the function of this retarder valve?
The valve regulates the hydraulic pressure within the retarder system to manage deceleration forces in heavy commercial vehicles.
Which vehicle brands is this part compatible with?
This component is designed for use in Mercedes-Benz vehicles and is compatible with Voith and WABCO systems.
How can I identify if the retarder valve needs replacement?
Technicians should look for inconsistent deceleration or pressure irregularities within the braking system as potential signs of failure.
Is this part suitable for heavy commercial vehicles?
Yes, this component is engineered specifically for heavy commercial vehicle applications to ensure durability under load.
What are the OE reference numbers of this part?
303.11.0127 directly replaces Mercedes-Benz OE number 0044303281. It also replaces Voith OE number 15300134210 and WABCO OE number 4722600060.