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303.04.0078 ECAS Solenoid Valve, Suspension

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303.04.0078 Mercedes-Benz Compatible ECAS Solenoid Valve

303.04.0078

Summary

This ECAS solenoid valve is engineered for heavy commercial vehicle suspension systems. It features high-strength components with M22x1.5 VOSS port connections and is rated for 22 BAR pressure, ensuring reliable pneumatic control in demanding environments. Equivalent to OE Mercedes-Benz 0013271025 and WABCO 4728900320.

Product identifiers
EAN Code8683457042872
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Compatible OEM Codes

  • WABCO
    • 472 890 032 0
  • MERCEDES BENZ
    • 001 327 10 25

Description

What does an ECAS solenoid valve do?

This ECAS solenoid valve plays a critical role in the electronic air suspension control system by managing pneumatic flow to adjust vehicle height and stability. Built with high-strength components, it ensures precise response times and durability under the heavy-duty conditions typical of commercial transport.

Vehicle compatibility and application

The component is designed to be compatible with Mercedes-Benz vehicles and is also fitted to other heavy commercial vehicles requiring precise suspension management. It functions seamlessly within systems requiring high-pressure regulation and reliable air distribution.

Installation and maintenance

For professional installation, technicians should verify the M22x1.5 VOSS port configurations (Port 11, 22, and 23) to ensure correct alignment. Regular inspection of the pneumatic connections is recommended to maintain optimal suspension performance and prevent pressure drops in the system.

System reliability

Consult your authorized distributor to confirm exact fitment for your specific vehicle configuration.

OE cross-reference

303.04.0078 (ECAS Solenoid Valve) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 0013271025. It also replaces WABCO OE number 4728900320.

Technical Specifications

Technical Specifications
Pressure22 BAR
Port 11M22x1,5 VOSS
Port 22M22x1,5 VOSS
Port 23M22x1,5 VOSS
Description-
Port 3-

Other OEMs

MERCEDES BENZ

  • A0013271025
  • 001 327 10 25

WABCO

  • 4728900320
  • 472 890 032 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ
WABCO

FAQ

What is the function of this ECAS solenoid valve?
It manages the pneumatic airflow within the electronic air suspension system to control vehicle height and stability.
What are the technical connection specifications?
The unit features M22x1.5 VOSS ports (Port 11, 22, and 23) and is rated for a maximum operating pressure of 22 BAR.
Which vehicles are compatible with this part?
This component is designed for Mercedes-Benz heavy commercial vehicles requiring specific ECAS system support.
How can I identify a failing solenoid valve?
Technicians may notice uneven ride height or slow suspension response, indicating a potential need for component replacement.
What are the OE reference numbers of this part?
303.04.0078 directly replaces Mercedes-Benz OE number 0013271025. It also replaces WABCO OE number 4728900320.