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Prusa Termístor NTC 100k 115mm hotend Nextruder MK4 XL CORE One
  • Prusa Termístor NTC 100k 115mm hotend Nextruder MK4 XL CORE One
Original Bambu Lab parts - A1 Series

Prusa

Original Bambu Lab parts - A1 Series

€12,59 EUR

The NTC 100k Thermistor – 115 mm is the official Prusa replacement part for the Nextruder hotend — compatible with MK4, MK4S, MK3.9, MK3.9S, XL, CORE One, CORE One+, and CORE One L. It monitors extrusion temperature in real-time, allowing the firmware to precisely maintain nozzle temperature throughout the print. Replacing it restores accurate temperature readings and ensures stable extrusion. Includes 1 M3×4 set screw.

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Our orders are shipped within 24/48 hours. Once your order has been dispatched, you will receive an email with more information. Delivery options include home delivery, pick-up point, or collection from our facilities in Anadia.

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🧩 Genuine Bambu Lab A1 Series Parts

Bambu Lab A1 Series parts were developed to ensure the best performance and reliability in A1 and A1 Mini printers. From maintenance components to essential extrusion system parts, each element has been designed to offer simple installation, high durability, and consistent performance, maintaining the printing quality characteristic of Bambu Lab.

🔹 What makes A1 Series parts special?

  • Perfect compatibility — designed specifically for the A1 Series.
  • Genuine Bambu Lab quality — maximum reliability and safety.
  • Quick replacement — simple and practical maintenance.
  • Optimized performance — maintains printer speed and precision.
  • Durable construction — ideal for continuous use.

✅ Advantages

  • Helps keep the printer in optimal condition.
  • Reduces failures and improves print consistency.
  • Perfect for preventive maintenance.
  • Parts tested for maximum compatibility.

⚙️ Types of Available Components

  • A1 Series Nozzles and Hotends
  • Extruder components
  • Fans and cooling systems
  • Sensors and electronic parts
  • Accessories and replacement parts

💡 Notes and Recommendations

  • Always confirm compatibility with A1 or A1 Mini.
  • The use of genuine parts is recommended to ensure the best performance.
  • Ideal for regular maintenance and replacement of worn components.
Smart3DPT

Material tested and approved by Smart3DPT ✅

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Frequently asked questions

Which Prusa printers is this thermistor compatible with?

Compatible with Prusa MK4, MK4S, MK3.9, MK3.9S, XL, CORE One, CORE One+, and CORE One L. Not compatible with MK3.5, MK3.5S, MK3S+, MK3, MK2.5S, MK2.5, MINI, MINI+, MMU3, SL1S, HT90, or INDX.
What is the difference between this thermistor (115 mm) and the 260 mm and 90 mm ones?

The 115 mm is for the hotend/Nextruder (extrusion temperature). The 90 mm is for the heatsink (prevents heat creep). The 260 mm is for the CORE One/One L's enclosed chamber. These are three distinct parts for three different functions.
What's included in the package?

The package includes 1 NTC 100k thermistor – 115 mm and 1 M3×4 mounting screw — everything you need for replacement without having to purchase additional parts.
Where can I find the installation manual?

The repair manual is available at help.prusa3d.com — select your specific printer model to access the correct hotend thermistor replacement guide.