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303.04.0025 ECAS Solenoid Valve, Suspension

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303.04.0025 Compatible ECAS Solenoid Valve

303.04.0025

Summary

This heavy-duty ECAS solenoid valve is designed for precise pneumatic control in suspension systems. It features M22x1.5 VOSS ports (Ports 11, 21, 22, 23) and a 24V Bayonet DIN 72585 A1-2.1-Sn/K2 electrical connection, ensuring reliable performance under high pressure up to 20 BAR. Equivalent to OE Mercedes-Benz 0003278425 and WABCO 4728800210.

Product identifiers
EAN Code8683457042537
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Compatible OEM Codes

  • WABCO
    • 472 880 021 0
  • MERCEDES BENZ
    • 000 327 84 25

Description

What does an ECAS solenoid valve do?

This ECAS solenoid valve serves as a critical component within the electronic air suspension control system. It manages the precise distribution of pneumatic pressure to maintain vehicle stability and ride height. Manufactured with high-strength components, it is engineered to withstand rigorous heavy commercial vehicle operating conditions.

Vehicle and system compatibility

This part is compatible with Mercedes-Benz vehicles and is designed to function within WABCO systems. It ensures seamless integration into the existing electronic air suspension architecture, maintaining precise control over pneumatic air distribution during various driving loads.

Installation and maintenance

Technicians should verify that the electrical connection matches the DIN 72585 A1-2.1-Sn/K2 standard and that all four M22x1.5 VOSS ports are free of debris before installation. Regular inspection of the electrical connectors and port seals is recommended to prevent pressure drops in the suspension system.

Troubleshooting guidance

If the suspension height becomes uneven or the system fails to respond to electronic commands, this solenoid valve should be inspected for internal blockages or electrical continuity issues.

OE cross-reference

303.04.0025 (ECAS Solenoid Valve) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 0003278425. It also replaces WABCO OE number 4728800210.

Technical Specifications

Technical Specifications
Port 21M22x1,5 VOSS
Port 22M22x1,5 VOSS
Port 23M22x1,5 VOSS
Port 11M22x1,5 VOSS
Pressure20 BAR
Description-
Port 3-
Electrical ConnectionBayanet DIN 72585 A1-2.1-Sn/K2 / 24V

Other OEMs

MERCEDES BENZ

  • A0003278425
  • 000 327 84 25

WABCO

  • 4728800210
  • 472 880 021 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ
WABCO

FAQ

What is the function of an ECAS solenoid valve?
The ECAS solenoid valve controls the flow of compressed air within the electronic air suspension system to adjust vehicle height and stability.
What are the technical specifications for this valve?
This valve features M22x1.5 VOSS ports (Ports 11, 21, 22, 23), operates at a pressure of 20 BAR, and uses a 24V Bayonet DIN 72585 A1-2.1-Sn/K2 connection.
Which vehicle brands is this part compatible with?
This component is compatible with Mercedes-Benz vehicles and is suitable for use in WABCO systems.
What symptoms indicate a faulty ECAS solenoid valve?
Symptoms may include uneven vehicle leveling, failure to maintain ride height, or air leaks from the pneumatic ports during operation.
What are the OE reference numbers of this part?
303.04.0025 directly replaces Mercedes-Benz OE number 0003278425. It also replaces WABCO OE number 4728800210.