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303.04.0034 ECAS Solenoid Valve, Suspension

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303.04.0034 ECAS Solenoid Valve for WABCO Systems

303.04.0034

Summary

This ECAS solenoid valve is designed for heavy commercial vehicle suspension systems. It features multiple M22x1.5 VOSS ports and supports operating pressures up to 20 BAR, ensuring reliable pneumatic control in demanding environments. Equivalent to OE WABCO 4728800550.

Product identifiers
EAN Code8683457042629
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Compatible OEM Codes

  • WABCO
    • 472 880 055 0

Description

What does an ECAS solenoid valve do?

This solenoid valve plays a critical role in the electronic control of air suspension systems. By managing precise airflow, it enables the electronic suspension control system (ECAS) to adjust vehicle height and stability effectively. Built with high-strength components, it ensures consistent performance under heavy-duty operating conditions.

System compatibility and port specifications

The component is engineered to be compatible with WABCO systems. It features multiple connection points, including Port 11, Port 21, Port 22, Port 23, Port 26, and Port 27, all utilizing M22x1.5 VOSS threading for secure integration.

Installation and maintenance guidance

For professional workshop technicians, maintaining correct port alignment is essential during installation. This valve is rated for a maximum pressure of 20 BAR, making it suitable for high-pressure pneumatic suspension circuits. Always verify the threading specifications to ensure a leak-free fitment within the air system.

Troubleshooting suspension control

Regular inspection of the solenoid valve can prevent sudden changes in vehicle ride height or leveling issues. If air leaks are detected at the M22x1.5 VOSS ports, check the connections immediately to maintain system integrity.

OE cross-reference

303.04.0034 (ECAS Solenoid Valve) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4728800550.

Technical Specifications

Technical Specifications
Pressure20 BAR
Port 11M22x1,5 VOSS
Port 21M22x1,5 VOSS
Port 22M22x1,5 VOSS
Port 23M22x1,5 VOSS
Port 26M22x1,5 VOSS
Port 27M22x1,5 VOSS
Description-
Port 3-

Other OEMs

WABCO

  • 4728800550
  • 472 880 055 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
WABCO

FAQ

What is the function of an ECAS solenoid valve?
It manages pneumatic airflow within the electronic suspension control system to regulate vehicle height and stability.
What are the port specifications for this component?
This valve features several M22x1.5 VOSS ports (including Ports 11, 21, 22, 23, 26, and 27) for secure pneumatic connections.
What is the maximum operating pressure?
This component is designed to operate effectively at a maximum pressure of 20 BAR.
Is this component compatible with WABCO systems?
Yes, this solenoid valve is designed to be compatible with WABCO systems used in heavy commercial vehicles.
What are the OE reference numbers of this part?
303.04.0034 directly replaces WABCO OE number 4728800550.