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303.05.0014 Trailer Control Valve for DAF

303.05.0014

Summary

This trailer control valve is engineered for heavy commercial vehicle air brake systems. It features M22x1.5 port connections (Port 1, Port 2, Port 41, Port 42, and Port 43) to ensure reliable pneumatic pressure management in tractor-trailer combinations. Designed for high-strength performance in demanding environments. Equivalent to OE DAF 0167846 and WABCO 9730020110.

Product identifiers
EAN Code8683457009851
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Compatible OEM Codes

  • WABCO
    • 973 002 011 0
  • DAF
    • 0167846

Description

What does a trailer control valve do?

This trailer control valve plays a critical role in the pneumatic air brake system of heavy commercial vehicles. It functions by balancing the air pressure delivered to the trailer based on brake pedal input, while providing a quick-release exhaust mechanism to ensure rapid deceleration and system stability. Built with high-strength components, it maintains consistent performance under heavy loads.

Vehicle and engine compatibility

This component is specifically designed for use in DAF vehicles and is also compatible with other heavy commercial vehicle applications. It serves as a reliable replacement within the tractor-trailer air brake line, ensuring precise pressure regulation across the entire braking circuit.

Installation and maintenance

For correct installation, technicians should verify that all pneumatic connections are secure and that the M22x1.5 ports are properly seated to prevent air leaks. Regular inspection of the valve body and sealing integrity is recommended to maintain optimal braking response during service intervals.

System integration

When replacing this unit, ensure compatibility with existing WABCO systems to maintain system-wide pneumatic synchronization.

OE cross-reference

303.05.0014 (Trailer Control Valve) is the equivalent of the DAF and WABCO OE numbers. This part directly replaces DAF OE number 0167846. It also replaces WABCO OE number 9730020110.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 2M22x1,5
Port 41M22x1,5
Port 42M22x1,5
Port 43M22x1,5

Other OEMs

DAF

  • 0167846

WABCO

  • 9730020110
  • 973 002 011 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
WABCO

FAQ

What is the function of this trailer control valve?
It balances air pressure delivered to the trailer based on brake pedal input and provides a quick-release exhaust for the pneumatic system.
Which vehicle brands is this valve compatible with?
This part is compatible with DAF vehicles and is designed to function within systems used by major heavy commercial vehicle manufacturers.
What are the connection specifications for this unit?
The valve features five M22x1.5 ports (Port 1, Port 2, Port 41, Port 42, and Port 43) for secure pneumatic connection.
How can I identify if this valve needs replacement?
Technicians should look for signs of air leaks at the M22x1.5 ports or inconsistent braking pressure response during system testing.
What are the OE reference numbers of this part?
303.05.0014 directly replaces DAF OE number 0167846. It also replaces WABCO OE number 9730020110.