AMS Internal Hub Motor - Genuine Replacement Part for AMS Filament Hub Unit (SPP038) - Restores Smooth Filament Routing, Slot Switching and Multi-Material Printing Performance Not for 2 ProFREE AND FAST SHIPPING! 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
Product
We offer a 30-Day Return Policy on items which you are not completely satisfied with. You have the option for a full-refund or an exchange of the item.
No returns are available on items shipped outside of the US.
Shipping
We offer Free Shipping to the US and ship within 2business days of payment, usually sooner.
We use UPS express shipping.
That's why your products are usually delivered within 3 days.
Contact
We try our very best to make sure every customer is completely satisfied.
If there's a problem, message us! We're happy to help you. 24/7 live chat available.
