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303.05.0026 Compatible Trailer Control Valve

303.05.0026

Summary

This trailer control valve features M16x1,5 port connections (Ports 12, 22, 11, 41, 42, and 43) and is designed for heavy commercial vehicle air brake systems. It is compatible with DAF, Iveco, Mercedes-Benz, and Steyr applications. Equivalent to OE DAF 1518265, Iveco 42000822 and Mercedes-Benz 0014316605.

Product identifiers
EAN Code8683457009974
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Compatible OEM Codes

  • MERCEDES BENZ
    • 002 431 48 05
    • 002 431 40 05
    • 002 431 01 05
    • 001 431 69 05
    • 001 431 67 05
    • 001 431 66 05
  • IVECO
    • 42001971
    • 42000822
  • WABCO
    • 973 002 538 0
  • STEYR
    • 99100360069
  • DAF
    • 1518265

Description

What does a trailer control valve do?

This trailer control valve plays a critical role in the air brake system of heavy commercial vehicles. It functions by balancing air pressure delivered to the trailer based on brake pedal input, ensuring reliable braking performance. Built with high-strength components, it provides consistent pressure regulation for tractor-trailer combinations.

Vehicle and system compatibility

This component is compatible with Mercedes-Benz, DAF, Iveco, and Steyr vehicles. It is also designed to work within pneumatic systems used by WABCO. This part ensures stable air pressure distribution across the brake lines during heavy-duty operation.

Technical specifications and installation

The valve features multiple M16x1,5 connection ports (specifically Ports 12, 22, 11, 41, 42, and 43) to ensure secure pneumatic integration. Technicians should verify all port thread sizes and seal integrity during installation to maintain optimal braking force and prevent air leaks in the tractor-trailer line.

Maintenance and troubleshooting

Regular inspections of the pneumatic connections are recommended to prevent system pressure drops. Maintaining clean air lines helps ensure the longevity of this high-strength component within the braking assembly.

OE cross-reference

303.05.0026 (Trailer Control Valve) is the equivalent of the DAF, Iveco, Mercedes-Benz, Steyr and WABCO OE numbers. This part directly replaces DAF OE number 1518265. It also replaces Iveco OE numbers 42000822, 42001971, Mercedes-Benz OE numbers 0014316605, 0014316705, 0014316905, 0024310105, 0024314005, 0024314805, Steyr OE number 99100360069 and WABCO OE number 9730025380.

Technical Specifications

Technical Specifications
Port 12M16x1,5
Port 22M16x1,5
Port 11M16x1,5
Port 41M16x1,5
Port 42M16x1,5
Port 43M16x1,5

Other OEMs

DAF

  • 1518265

IVECO

  • 42001971
  • 42000822

MERCEDES BENZ

  • A0024314805
  • A0024314005
  • A0024310105
  • A0014316905
  • A0014316705
  • A0014316605
  • 002 431 48 05
  • 002 431 40 05
  • 002 431 01 05
  • 001 431 69 05
  • 001 431 67 05
  • 001 431 66 05

STEYR

  • 99100360069

WABCO

  • 9730025380
  • 973 002 538 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
IVECO
MERCEDES BENZ
STEYR
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 quick-release exhaust for efficient braking.
Which vehicle brands is this part compatible with?
It is compatible with Mercedes-Benz, DAF, Iveco, and Steyr vehicles, as well as WABCO systems.
What are the connection port specifications?
The unit features M16x1,5 threaded ports (Ports 12, 22, 11, 41, 42, and 43) for pneumatic connection.
How can I ensure correct fitment for my truck?
Check the compatibility list or verify against your vehicle's chassis number to ensure correct application.
What are the OE reference numbers of this part?
303.05.0026 directly replaces DAF OE number 1518265. It also replaces Iveco OE numbers 42000822, 42001971, Mercedes-Benz OE numbers 0014316605, 0014316705, 0014316905, 0024310105, 0024314005, 0024314805, Steyr OE number 99100360069 and WABCO OE number 9730025380.