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303.01.0034 Relay Valve, Brake System
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303.01.0034 Relay Valve Compatible with VDL

303.01.0034

Summary

This relay valve is designed for heavy commercial vehicle brake systems, featuring M22x1,5 and M16x1,5 port configurations and a maximum operating pressure of 10 BAR. It ensures reliable air pressure transfer for Kempf and VDL vehicles. Equivalent to OE Kempf 2103005, VDL 40689331 and WABCO 9730012100.

Product identifiers
EAN Code8683457009165
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Compatible OEM Codes

  • WABCO
    • 973 001 210 0
  • VDL
    • 40689331
  • KEMPF
    • 2103005

Description

What does a relay valve do?

This relay valve plays a critical role in the compressed air brake system by facilitating rapid air pressure transfer triggered by a pilot signal. Constructed with high-strength components, it is engineered to maintain consistent performance under heavy-duty operating conditions within the pneumatic braking circuit.

Vehicle and system compatibility

This component is compatible with Kempf and VDL vehicles. It serves as a reliable replacement for parts used in various heavy commercial vehicle applications, ensuring the braking system receives the necessary pneumatic signals to function correctly across different vehicle configurations.

Installation and maintenance

Installation should be performed by a workshop technician to ensure proper alignment of the M22x1,5 and M16x1,5 ports. Regular inspection of the connections and verifying that the system does not exceed the 10 BAR maximum pressure limit is essential for maintaining optimal braking performance.

System performance checks

When replacing this component, technicians should check the integrity of all connected pneumatic lines to prevent air leaks that could compromise braking efficiency.

OE cross-reference

303.01.0034 (Relay Valve Relay Valves) is the equivalent of the Kempf, VDL and WABCO OE numbers. This part directly replaces Kempf OE number 2103005. It also replaces VDL OE number 40689331 and WABCO OE number 9730012100.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 2M22x1,5
Port 4M16x1,5
PressureMAX 10 BAR

Other OEMs

KEMPF

  • 2103005

VDL

  • 40689331

WABCO

  • 9730012100
  • 973 001 210 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KEMPF
VDL
WABCO

FAQ

What is the primary function of this relay valve?
The relay valve facilitates rapid air pressure transfer within a compressed air brake system, triggered by a pilot signal to ensure timely braking response.
Which vehicle makes are compatible with this part?
This component is designed for use in Kempf and VDL vehicles, ensuring compatibility with their specific heavy commercial vehicle braking requirements.
What are the technical port specifications?
This unit features Port 1 and Port 2 with M22x1,5 threading and Port 4 with M16x1,5 threading, supporting a maximum pressure of 10 BAR.
How can I identify if a relay valve needs replacement?
Technicians should look for signs of air leaks, inconsistent braking response, or failure to maintain pressure within the specified 10 BAR limit.
What are the OE reference numbers of this part?
303.01.0034 directly replaces Kempf OE number 2103005. It also replaces VDL OE number 40689331 and WABCO OE number 9730012100.