The Bambu Lab Extruder Connection Board is an official replacement PCB that manages electrical connections between the extruder assembly and the printer mainboard, ensuring accurate heater control, sensor readout and motor communication.

Bambu Lab printers where the extruder connection board has failed or been damaged.

Key features

• Official Bambu Lab replacement PCB
• Manages extruder-mainboard electrical connections
• Controls heater, sensor and motor signals
• OEM quality for safe operation
• Direct replacement