Bambu Lab Thermistor – Temperature Sensor Replacement for X1 / X1C Series
The Bambu Lab Thermistor is an official replacement temperature sensor for the X1 and X1C series hotend assemblies. Featuring highly accurate temperature measurement and a reliable structural design, this thermistor ensures precise temperature control for consistent print quality.
Essential for restoring accurate temperature readings when the original thermistor fails or provides erratic measurements. Includes thermal grease and retaining clips for proper installation.
Bambu Lab Thermistor Key Features
- High Accuracy – Precise temperature measurement
- Wide Temperature Range – Operating range -10°C to 300°C
- Reliable Design – Durable structural construction
- Original OEM Part – Genuine Bambu Lab quality
- Thermal Grease Included – For optimal heat transfer
- 3-Pack Quantity – Multiple spares for future use
Package Contents
What’s Included:
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Compatibility
Compatible Printers:
Note: NOT compatible with X1E. The connector differs between X1 Series and P1 Series versions. Please verify your printer model before ordering. |
When to Replace Thermistor
- Temperature Errors – Printer reports temperature sensor faults
- Erratic Readings – Temperature jumps or fluctuates unexpectedly
- Incorrect Temperature – Displayed temp doesn’t match actual
- Thermal Runaway – Printer triggers safety shutdowns
- Physical Damage – Visible damage to sensor or wiring
Bambu Lab Thermistor Specifications
| Brand | Bambu Lab |
| Part Number | FAH001-T |
| Part Type | Thermistor / Temperature Sensor |
| Operating Range | -10°C to 300°C |
| Materials | Glass, Metal, Plastic |
| Compatibility | X1, X1C (not X1E) |
| Package Contents | 3x Thermistor, 3x Thermal Grease, 3x Retaining Clip |
| Package Weight | 23g |
Bambu Lab Thermistor FAQ
Q: How do I replace the thermistor?
A: Follow the official Bambu Lab Hotend replacement guide for step-by-step instructions. Always power off the printer before working on electronics.
Q: How do I disconnect the thermistor connector?
A: The thermistor plug has a buckle/latch that must be pressed before disconnecting. Neglecting to open the latch can damage the plug or PCB connector.
Q: What if the thermal grease is hard and thermistor won’t come out?
A: Do not forcibly pull out the thermistor. Gently heat the hotend to soften the thermal grease, then carefully remove it to avoid damage.
Q: Will this void my machine warranty?
A: Using official Bambu Lab replacement parts does not void your machine warranty when installed correctly.
Related Products
Looking for other Bambu Lab hotend parts? Explore our collections:
- Ceramic Heaters – Heating elements
- Bambu Lab Hotends – Complete assemblies
- Bambu Lab Nozzles – Nozzle options
- X1 Spare Parts – X1 components








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