About this item
Genuine Replacement Part – This is an original OEM internal hub motor (Part # SPP038) designed specifically for the Bamb. Lab AMS (Automatic Material System). It serves as the direct replacement for the motor that powers the AMS internal hub unit, restoring full functionality when the original motor fails or becomes unreliable.
Powers the AMS Internal Hub Mechanism – Provides the driving force for the AMS internal hub unit, enabling smooth filament routing, reliable slot switching between all 4 filament slots, and seamless material loading, unloading, and switching operations. Essential for maintaining consistent multi-material printing performance.
Diagnose and Replace When Issues Arise – If you experience frequent filament jams in the AMS hub (after confirming all PTFE tubes are properly connected), grinding noises, intermittent operation, or the hub fails to respond during slot switching, this motor is the solution. A direct drop-in replacement with the same specifications as the original
Premium Build Quality – Constructed with durable metal materials for long-term reliability. Features precision motor control for stable AMS operation and quiet performance during filament switching.
Easy Installation – Compatible with the original Bambu Lab AMS unit (Note: NOT compatible with AMS Lite and 2 Pro, which has a different internal design). Detailed step-by-step replacement instructions are available on the official Bambu Lab Wiki. Power off and unplug your AMS before installation