DX55 DX80 Excavator Engine Controller ECU 4TNV98 ECM 129968-75201 129927-75901 Diesel Engine Control Unit Computer Board

The DX55 DX80 Excavator Engine Controller ECU is a high-quality electronic control module designed for excavators equipped with the Yanmar 4TNV98 diesel engine system. This ECM/ECU control unit manages engine operation parameters, ensuring stable communication between the engine sensors and machine control system.

Designed as a reliable replacement part, this engine controller helps restore proper engine performance, improve control accuracy, and maintain efficient machine operation.

✅ High Compatibility
Compatible with DX55 and DX80 excavator models equipped with the 4TNV98 engine system.

✅ Stable Engine Management
Controls critical engine functions including fuel injection management, engine speed regulation, and system monitoring.

✅ Durable Construction
Built with a strong metal housing and reliable electronic components for harsh construction environments.

✅ Direct Replacement Design
Designed to replace damaged or faulty ECU/ECM modules with matching specifications and connectors.

✅ Professional Excavator Spare Part
Suitable for repair, maintenance, and replacement applications in construction machinery.

• DX55 Excavator
• DX80 Excavator
• Machines equipped with Yanmar 4TNV98 engine system

This ECU controller is commonly used for:

• Excavator engine control system repair
• Engine starting and operation troubleshooting
• ECU replacement after electronic failure
• Construction machinery maintenance

✔ Professional supplier of excavator electronic control parts
✔ Strict quality inspection before shipment
✔ Reliable replacement solution for construction machinery
✔ Support bulk orders and worldwide delivery

1 * Excavator Engine Controller ECU Module

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