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303.04.0025.03 ECAS Solenoid Valve Repair Kit

303.04.0025.03

Summary

This ECAS solenoid valve repair kit is designed for the maintenance of electronically controlled air suspension systems. It ensures reliable performance in WABCO systems, helping to maintain chassis height and prevent air leaks in heavy commercial vehicles like Mercedes-Benz.

Product identifiers
EAN Code8683457067714
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Description

What does an ECAS solenoid valve repair kit do?

This repair kit is a specialized service set designed to renew the internal elements of solenoid valve blocks within an electronically controlled air suspension system. By replacing worn components, the kit helps maintain the precise control required to manage air bellows, ensuring the chassis height remains constant during operation.

Compatibility and application

These kits are compatible with WABCO systems and are commonly fitted to Mercedes-Benz vehicles. They provide a cost-effective solution for maintaining electronic suspension layouts on heavy commercial vehicles, including trucks and buses, by addressing issues like sagging while parked or delayed leveling responses.

Installation and maintenance

For successful installation, technicians should verify the port count and electrical connector pin layout against the existing valve block. Inspecting the plunger and spring assembly during the replacement process is essential to ensure long-term durability and system integrity under heavy-duty conditions.

Troubleshooting guidance

Regular inspection of these components can prevent significant downtime by addressing minor leaks before they lead to total system failure. Always check the compatibility of the sealing elements with the specific valve block architecture used in the vehicle.

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ
WABCO

FAQ

What is the main purpose of an ECAS solenoid valve repair kit?
It is a maintenance set used to renew worn internal elements like O-rings and plungers inside an electronic air suspension valve block to restore proper function.
Which vehicle brands are compatible with this kit?
This kit is designed for use in Mercedes-Benz vehicles and is compatible with WABCO systems used in heavy commercial vehicle suspensions.
When should a technician consider using a repair kit instead of a new valve block?
When leaks, slow leveling response, or sagging occur, a repair kit can be used to refurbish the existing block, reducing costs and vehicle downtime.
How can I ensure I select the correct repair kit?
The most reliable method is to cross-match the OE part number from the original valve block, checking port counts and electrical connector layouts.