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303.04.0075.02 Repair Kit for ECAS Solenoid Valves

303.04.0075.02

Summary

This repair kit for ECAS solenoid valves is designed for the maintenance of electronically controlled air suspension systems in heavy commercial vehicles. It provides a cost-effective solution for renewing solenoid valve blocks in Scania, Mercedes-Benz, DAF, Nissan UD Truck, and Hino vehicles. Ensure reliable chassis height control with high-strength components. Equivalent to OE WABCO 4728909292.

Product identifiers
EAN Code8683457067950
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Compatible OEM Codes

  • WABCO
    • 472 890 929 2

Description

What does an ECAS repair kit do?

This repair kit for ECAS solenoid valve blocks is designed to renew the internal sealing and moving elements within an electronically controlled air suspension system. By replacing worn components like O-rings, diaphragms, and the plunger assembly, technicians can restore the precise air flow required to maintain constant chassis height.

Compatible vehicles and engines

This service kit is compatible with Scania, Mercedes-Benz, DAF, Nissan UD Truck, and Hino trucks. These components are essential for maintaining the integrity of the pneumatic control system during heavy-duty operation. The kit allows for a comprehensive overhaul of the valve block without the need for a complete assembly replacement.

Installation and maintenance

To ensure proper function, technicians should inspect the valve block housing for any debris before installation. When performing maintenance on the air suspension system, it is critical to verify that all sealing rings are seated correctly to prevent air leaks or delayed level response. Proper installation helps prevent vehicle sagging while parked.

Troubleshooting and selection

Regular inspection of the ECAS solenoid valves can prevent unexpected downtime caused by pneumatic leaks or height control failures. Using high-strength components during the overhaul process ensures long-term reliability under heavy commercial vehicle workloads.

OE cross-reference

303.04.0075.02 (ECAS Solenoid Valve Repair Kit) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4728909292.

Other OEMs

WABCO

  • 4728909292
  • 472 890 929 2

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
HINO
MERCEDES BENZ
NISSAN UD TRUCK
SCANIA
WABCO

FAQ

What is included in an ECAS solenoid valve repair kit?
A typical kit includes O-rings, square-section sealing rings, diaphragms, a plunger and spring assembly, a filter element, and housing gaskets to renew the entire internal mechanism.
Which vehicles are compatible with this repair kit?
This kit is designed for heavy commercial vehicles including Scania, Mercedes-Benz, DAF, Nissan UD Truck, and Hino trucks equipped with electronic air suspension.
When should I replace the ECAS solenoid valve seals?
Replacement is recommended if you observe air leaks, delayed response in chassis height adjustment, or if the vehicle appears to sag while parked.
Can this kit be used to fix a WABCO system?
Yes, this service set is specifically designed to overhaul solenoid valve blocks used in WABCO type ECAS layouts common in many heavy duty trucks.
What are the OE reference numbers of this part?
303.04.0075.02 directly replaces WABCO OE number 4728909292.