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303.11.0121 Retarder Valve Compatible with Voith and WABCO

303.11.0121

Summary

This retarder valve is engineered for heavy commercial vehicle braking systems. It ensures precise control and durability in demanding environments. Compatible with Voith and WABCO systems to maintain optimal retardation performance. Equivalent to OE Voith 153000255910 and WABCO 4722600050.

Product identifiers
EAN Code8683457047754
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Compatible OEM Codes

  • WABCO
    • 472 260 005 0
  • VOITH
    • 153000255910

Description

What does a retarder valve do?

This retarder valve plays a critical role in the hydraulic control of the vehicle's retardation system. By managing fluid flow, it enables smooth and consistent deceleration during heavy-duty operation, reducing the thermal load on the primary braking system.

System compatibility and application

The component is designed to function seamlessly within systems from leading manufacturers like Voith and WABCO. It is specifically engineered to meet the high-performance requirements of heavy commercial vehicle braking architectures.

Installation and maintenance guidance

When inspecting or replacing this component, technicians should check for any signs of fluid bypass or pressure fluctuations within the hydraulic circuit. Ensuring clean hydraulic oil is vital for the longevity of the internal valve mechanisms.

Troubleshooting and selection

Consult your authorized distributor to verify specific fitment for your vehicle's gearbox configuration.

OE cross-reference

303.11.0121 (Retarder Valve) is the equivalent of the Voith and WABCO OE numbers. This part directly replaces Voith OE number 153000255910. It also replaces WABCO OE number 4722600050.

Other OEMs

VOITH

  • 153000255910

WABCO

  • 4722600050
  • 472 260 005 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
VOITH
WABCO

FAQ

What is the function of a retarder valve?
The retarder valve regulates the hydraulic pressure required to engage or modulate the retardation force within the gearbox, aiding in controlled vehicle deceleration.
Which systems is this valve compatible with?
This component is designed to be compatible with Voith and WABCO systems used in heavy commercial vehicle braking applications.
How can I identify a faulty retarder valve?
Technicians may notice inconsistent deceleration or unusual hydraulic pressures during testing, which often indicates a need for inspection or replacement.
What maintenance is required for these valves?
Regular monitoring of hydraulic fluid cleanliness and checking for external leaks are essential steps to ensure long-term operational reliability.
What are the OE reference numbers of this part?
303.11.0121 directly replaces Voith OE number 153000255910. It also replaces WABCO OE number 4722600050.