Bambu Lab PTFE Tube Replacement – Filament Guide Tube for X1 / P1 / AMS Series
The Bambu Lab PTFE Tube is the official filament guide tube replacement for X1 Series, P1 Series, and AMS units. This low-friction tube guides filament from the AMS to the toolhead, reducing resistance and ensuring smooth feeding during prints.
PTFE tubes are considered consumables that wear over time from repeated filament loading and unloading. Regular replacement ensures reliable filament feeding and prevents jams.
Bambu Lab PTFE Tube Replacement Key Features
- Low Friction – Smooth filament feeding
- Precision Diameter – 2.5mm inner, 4mm outer diameter
- Guides Filament – From AMS to toolhead
- Original OEM Part – Genuine Bambu Lab quality
- Easy Installation – Direct replacement
- Multiple Lengths – Kit includes various sizes
Maintenance Schedule
Replacement Intervals:
The printer has an automated reminder that prompts you to check PTFE tubes every 2 months. |
Signs You Need Replacement
- Filament Feeding Issues – Jams or grinding
- Visible Wear – Scratches or grooves inside tube
- Discoloration – Tube turning brown or black
- Loading Failures – AMS can’t load filament properly
- Inconsistent Extrusion – Under-extrusion during prints
Compatibility
Compatible Systems:
Kit includes tubes in various lengths for different applications. |
Bambu Lab PTFE Tube Replacement Specifications
| Brand | Bambu Lab |
| Bambu Part Numbers | FAT001, FAT002, FAT003, FAT005, FAT006 (varies by length/kit) |
| Part Type | PTFE Tube (Filament Guide) |
| Inner Diameter | 2.5mm |
| Outer Diameter | 4mm |
| Material | PTFE (Polytetrafluoroethylene) |
| Function | Reduce resistance, guide filament |
Bambu Lab PTFE Tube Replacement FAQ
Q: How do I replace the PTFE tube?
A: Follow the official Bambu Lab guides for your system:
Q: What tube lengths are included?
A: The X1/P1 kit typically includes 370mm (1pc) and 550mm (2pcs). AMS kits include 195mm (2pcs) and 230mm (2pcs) tubes.
Q: How do I know if my PTFE tube is worn?
A: Look for visible scratches or grooves inside the tube, discoloration, or feeding issues. The printer also has an automated check reminder.
Q: Do abrasive filaments wear tubes faster?
A: Yes, carbon fiber, glass fiber, and glow-in-the-dark filaments are abrasive and wear PTFE tubes faster. Replace monthly with these materials.
Related Products
Looking for other Bambu Lab maintenance parts? Explore our collections:
- AMS Parts – AMS accessories
- Nozzles – Hardened nozzles for abrasives
- Hotends – Complete hotend assemblies
- Bambu Lab Spare Parts – Full range








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