303.04.0026 Solenoid Valve compatible with Volvo Trucks

What does an ECAS solenoid valve do?

This ECAS solenoid valve serves as a critical component within the electronic air suspension system, regulating airflow to control vehicle height. Built with high-strength components, it ensures precise pneumatic adjustments required for heavy commercial vehicle stability and ride quality.

Vehicle and engine compatibility

This component is specifically designed for a wide range of heavy commercial vehicles, including Volvo FH, FM, FMX, VNL, VHD models, and Renault Trucks Kerax, Magnum, and Premium series. It is also fitted to Mack Granite and Pinnacle trucks with MP7 or MP8 engines. Check the compatibility list.

Installation and maintenance

For reliable installation, technicians should verify that all four M22x1.5 VOSS ports are free of debris and properly seated. This valve is rated for a working pressure of 20 BAR to maintain consistent performance under demanding load conditions.

System troubleshooting

Maintaining the integrity of the electrical connections to the solenoid is essential to prevent height control errors in the suspension system.

OE cross-reference

303.04.0026 (ECAS Solenoid Valve) is the equivalent of the Volvo and WABCO OE numbers. This part directly replaces Volvo OE number 20514451. It also replaces WABCO OE number 4728800230.