Doosan DH225LC-7 Excavator ECU ECM Controller 543-00055 543-00055A Engine Electronic Control Module for Daewoo Excavator Parts

The 543-00055 / 543-00055A ECU ECM Controller is designed for Doosan DH225LC-7 excavators, providing precise engine management and system control for heavy-duty construction machinery.

This control module ensures stable communication between engine sensors and electronic systems, improving machine efficiency, fuel performance, and operational reliability in harsh working environments.

It is a reliable replacement for original damaged or faulty ECU units.

• Stable and accurate engine control performance
• High-quality OEM-grade electronic components
• Strong resistance to vibration, heat, and dust
• Improves fuel efficiency and machine responsiveness
• Plug-and-play installation (programmed version available if required)
• Fully tested before shipment for stable performance

• Doosan DH225LC-7
• Doosan S225LC-V
• DH220-5 (some configurations)

• 543-00055
• 543-00055A

This ECU ECM module controls and optimizes:

• Engine fuel injection system
• Electronic throttle and speed control
• Sensor data processing and communication
• Overall engine performance stability

Widely used in Doosan / Daewoo excavators and construction machinery, suitable for:

• Earthmoving projects
• Mining operations
• Heavy construction environments
• Machine repair and ECU replacement markets

JISION specializes in excavator electronic parts including ECU, ECM, controller modules, and sensor systems.
All products are strictly tested to ensure:

• Stable performance
• Long service life
• OEM compatibility
• Reliable global supply

• Anti-static protective packaging
• Shock-resistant export carton
• Fast international delivery with tracking number