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303.05.0016 Trailer Control Valve, Brake System
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303.05.0016 Compatible Trailer Control Valve

303.05.0016

Summary

This trailer control valve features M22x1,5 port configurations and is designed for heavy-duty air brake systems. It is compatible with Mercedes-Benz, Scania, Iveco, and Renault Trucks vehicles. Equivalent to OE Iveco 4458486, Mercedes-Benz 0014314705 and Renault Trucks 5000465495.

Product identifiers
EAN Code8683457009875
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Compatible OEM Codes

  • WABCO
    • 973 002 020 0
  • SCANIA
    • 1935629
  • RENAULT TRUCKS
    • 5000465495
  • MERCEDES BENZ
    • 001 431 47 05
  • IVECO
    • 4458486

Description

What does a trailer control valve do?

This trailer control valve serves as a critical component within the pneumatic air brake system of heavy commercial vehicles. It regulates the air pressure delivered to the trailer based on brake pedal input while ensuring a quick-release exhaust function for safe braking performance. Built with high-strength components, it ensures reliable operation under demanding service conditions.

Compatible vehicles and engines

This component is compatible with Mercedes-Benz, Scania, Iveco, and Renault Trucks vehicles. It also serves as a functional equivalent for WABCO systems. The unit is specifically engineered to maintain pressure stability across the tractor-trailer brake line.

Installation and maintenance

Installation should be performed by a workshop technician to ensure all M22x1,5 connections are seated correctly. Regular inspection of the pneumatic lines and sealing points is recommended to prevent air leaks and maintain optimal braking response.

Troubleshooting guidance

When replacing this valve, ensure that the new component matches the existing port specifications to avoid system pressure drops.

OE cross-reference

303.05.0016 (Trailer Control Valve) is the equivalent of the Iveco, Mercedes-Benz, Renault Trucks, Scania and WABCO OE numbers. This part directly replaces Iveco OE number 4458486. It also replaces Mercedes-Benz OE number 0014314705, Renault Trucks OE number 5000465495, Scania OE number 1935629 and WABCO OE number 9730020200.

Technical Specifications

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

Other OEMs

IVECO

  • 4458486

MERCEDES BENZ

  • A0014314705
  • 001 431 47 05

RENAULT TRUCKS

  • 5000465495

SCANIA

  • 1935629

WABCO

  • 9730020200
  • 973 002 020 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
IVECO
MERCEDES BENZ
RENAULT TRUCKS
SCANIA
WABCO

FAQ

What is the function of this trailer control valve?
It manages air pressure delivery to the trailer based on braking input and provides a quick exhaust for rapid pressure release.
Which vehicle brands are compatible with this part?
This component is compatible with Mercedes-Benz, Scania, Iveco, and Renault Trucks vehicles.
What are the connection specifications?
The valve features M22x1,5 ports (Port 1, Port 2, Port 41, Port 42, and Port 43) for pneumatic connection.
How can I identify if the valve needs replacement?
Technicians should check for inconsistent braking response or air leaks at the M22x1,5 connection points.
What are the OE reference numbers of this part?
303.05.0016 directly replaces Iveco OE number 4458486. It also replaces Mercedes-Benz OE number 0014314705, Renault Trucks OE number 5000465495, Scania OE number 1935629 and WABCO OE number 9730020200.