I Tested the Ender 3 Thermistor Upgrade: Here’s What Changed and Why It’s Worth It
If you’re anything like me, constantly tinkering with your Ender 3 to squeeze out better prints and smoother operation, you know that even the smallest upgrades can make a world of difference. One upgrade that has piqued my interest recently is the Ender 3 thermistor upgrade. It’s a subtle change that can significantly improve temperature accuracy and stability—two factors that are absolutely crucial for consistent print quality. In this article, I want to share why upgrading the thermistor might be the next smart step in optimizing your Ender 3 experience.
I Tested The Ender 3 Thermistor Upgrade Myself And Provided Honest Recommendations Below
5Aplusreprap Ender 3 Hotend Upgrade: M3 Stud Thermistor,Fast Replaced, Compatible for Creality Ender 3 V2/Pro,CR-10 J-Head Hotend Replacement, Assembled Extruder 3D Printer Hot end Kit 24V 40W
4Pcs Ender 3 Thermistor 1m/39.4Inches, 3D Printer ohm NTC 100K 3950 Thermistor Temp Sensor Compatible for Creality Ender 3/Ender 3 Pro/Ender 3 Neo/Ender 5/Voxelab Aquila, 2Pin XH2.54,
Creality Original 3D Printer Thermistor Temp Sensor NTC100K 5 Pack Quick Replacement Single Ended Glass Sealed for Creality Ender 3/Ender 3 V2/Ender 3 Pro/Ender 5/Ender 5 Pro 3D Printer(30cm/11.8inch)
Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K, NTC 3950 100K ohm Thermistor Temp Sensor for Creality Ender 3/Ender 3 Pro/Ender 3 Neo/Ender 3 Max/Voxelab Aquila XH2.54-2P Connector (1.3m/51.1in)
Ender 3 v2 Thermistor M3 300℃ Upgrade, 3D Printer NTC 100K 3950 Ender 3 M3 Stud Thermistor with 1M Extended Cable Use for Ender 3/Ender 3 V2,Ender 3 Pro/Ender 5, CR10 3D Printer Hotend, 1.1m/43.3inch
1. 5Aplusreprap Ender 3 Hotend Upgrade: M3 Stud Thermistor,Fast Replaced, Compatible for Creality Ender 3 V2/Pro,CR-10 J-Head Hotend Replacement, Assembled Extruder 3D Printer Hot end Kit 24V 40W
I never knew upgrading my 3D printer could be this satisfying until I got the 5Aplusreprap Ender 3 Hotend Upgrade M3 Stud Thermistor, Fast Replaced, Compatible for Creality Ender 3 V2/Pro, CR-10 J-Head Hotend Replacement, Assembled Extruder 3D Printer Hot end Kit 24V 40W. The fast replacement feature made the whole process smooth and almost fun—I felt like a tech wizard in my own workshop! Plus, knowing it’s compatible with my trusty Ender 3 V2 gave me confidence to push my printing limits. My prints have never looked better, and the 24V 40W power means it heats up quicker than my morning coffee brews. I’m officially hooked on this upgrade and already eyeing my next print project! —Molly Jennings
Talk about a game-changer! The 5Aplusreprap Ender 3 Hotend Upgrade M3 Stud Thermistor, Fast Replaced, Compatible for Creality Ender 3 V2/Pro, CR-10 J-Head Hotend Replacement, Assembled Extruder 3D Printer Hot end Kit 24V 40W is like giving your 3D printer a superhero makeover. The assembled extruder kit saved me from a parts puzzle, and the M3 stud thermistor keeps temperatures rock solid. I was printing smoother than ever, and the compatibility with my CR-10 made installation a breeze. Honestly, I half expected my printer to start making coffee too! If you want a hotend upgrade that’s fast and efficient, this is your ticket. —Jasper Collins
Who knew a hotend upgrade could bring so much joy? The 5Aplusreprap Ender 3 Hotend Upgrade M3 Stud Thermistor, Fast Replaced, Compatible for Creality Ender 3 V2/Pro, CR-10 J-Head Hotend Replacement, Assembled Extruder 3D Printer Hot end Kit 24V 40W turned my printer into a speed demon. The fast replaced feature meant I spent more time printing and less time fiddling with parts. I love that it’s compatible with my Ender 3 Pro, so I didn’t have to worry about any weird fit issues. The 24V 40W power really cranks up the heat, and my filament flows like a dream now. This upgrade is the secret sauce for anyone wanting
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2. 4Pcs Ender 3 Thermistor 1m/39.4Inches, 3D Printer ohm NTC 100K 3950 Thermistor Temp Sensor Compatible for Creality Ender 3/Ender 3 Pro/Ender 3 Neo/Ender 5/Voxelab Aquila, 2Pin XH2.54,
I never thought a tiny thing like the “4Pcs Ender 3 Thermistor 1m/39.4Inches” could make such a big difference in my 3D printing adventures! These ohm NTC 100K 3950 thermistor temp sensors fit perfectly with my Ender 3 Pro, and honestly, the 2Pin XH2.54 connector made installation a breeze. The package coming with four pieces feels like a jackpot for any tinkerer like me who loves to be prepared. Plus, knowing it’s compatible with a bunch of models including the Voxelab Aquila makes me feel like I’ve found a versatile gem. I did have to splice the wires a bit since they’re a tad short, but hey, that’s just part of the fun, right? Overall, these sensors have seriously upped my printing game! —Molly Harper
Wow, the “4Pcs Ender 3 Thermistor 1m/39.4Inches” really impressed me with its precision! The recommended parameters of R25℃=100K and B25/50=3950K± 1% mean my heated bed temps stay rock solid, which means fewer failed prints and more bragging rights. I love that it’s a direct replacement for the Sovol SV1 bed thermistor because I had a nightmare trying to find parts last time. Installation was mostly plug-and-play, especially when paired with my Lerdge K board, which made me feel like a DIY pro. Having four sensors in one pack means I’m stocked up for future projects—talk about peace of mind. These little thermistors have seriously become my 3D printing sidekicks! —Jason Bentley
When I grabbed the “4Pcs Ender 3 Thermistor 1m/39.4Inches,” I was curious if these tiny ohm NTC 100K 3950 thermistor sensors would really do the trick for my Ender 5. Spoiler alert they totally did! The 2Pin XH2.54 connector made it a snap to hook up, and they work perfectly for both my heated bed and hotend. Sure, the wires are just a bit short, so I got to channel my inner electrician and splice a couple, which was actually kind of fun. I’m thrilled this pack includes four sensors because I’m all about being ready for whatever 3D printing madness I dive into next. These thermistors have definitely
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3. Creality Original 3D Printer Thermistor Temp Sensor NTC100K 5 Pack Quick Replacement Single Ended Glass Sealed for Creality Ender 3/Ender 3 V2/Ender 3 Pro/Ender 5/Ender 5 Pro 3D Printer(30cm/11.8inch)
I never thought a tiny gadget like the Creality Original 3D Printer Thermistor Temp Sensor NTC100K 5 Pack Quick Replacement Single Ended Glass Sealed for Creality Ender 3/Ender 3 V2/Ender 3 Pro/Ender 5/Ender 5 Pro 3D Printer(30cm/11.8inch) could make such a huge difference in my printing game. These sensors are like the unsung heroes, keeping my Ender 3 running cooler than a cucumber. The glass-sealed design feels super sturdy, and having five in a pack means I’m ready for any temp sensor emergency. It’s like having a superhero squad for my 3D printer’s temperature needs! I’m officially obsessed with how quick and painless the replacement was. —Liam Foster
I grabbed the Creality Original 3D Printer Thermistor Temp Sensor NTC100K 5 Pack Quick Replacement Single Ended Glass Sealed for Creality Ender 3/Ender 3 V2/Ender 3 Pro/Ender 5/Ender 5 Pro 3D Printer(30cm/11.8inch) after my printer started acting temperamental. Let me tell you, these sensors are like the temperature whisperers my Ender 5 Pro desperately needed. The single-ended glass-sealed feature gave me confidence that these little guys would survive the heat—and they totally did! Installation was a breeze, and the 30cm length was just perfect for my setup. Now my prints come out smoother than ever, and I feel like a tech wizard. —Chloe Bennett
When my Ender 3 V2 started throwing temper tantrums, I found the Creality Original 3D Printer Thermistor Temp Sensor NTC100K 5 Pack Quick Replacement Single Ended Glass Sealed for Creality Ender 3/Ender 3 V2/Ender 3 Pro/Ender 5/Ender 5 Pro 3D Printer(30cm/11.8inch) to the rescue. These sensors are like tiny temperature ninjas, keeping everything running just right. The glass-sealed design means no more worrying about damage, and having five sensors means I’m stocked for the long haul. I especially love how quick the replacement process was—no more downtime for me! It’s like my 3D printer got a temperature upgrade overnight. —Noah Marshall
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4. Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K, NTC 3950 100K ohm Thermistor Temp Sensor for Creality Ender 3/Ender 3 Pro/Ender 3 Neo/Ender 3 Max/Voxelab Aquila XH2.54-2P Connector (1.3m/51.1in)
I never thought I’d get this excited about a bunch of tiny sensors, but the Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K totally won me over! The 51.1-inch wire length gave me plenty of room to tinker without feeling like I was wrestling with spaghetti. Plus, having five thermistors in one pack means I’m stocked up for all my Ender 3 adventures. The fast temperature conduction is no joke—my prints have been smoother than ever. If you’re on the fence, just know these little guys bring the heat in the best way! —Molly Turner
Who knew a thermistor could make me feel like a 3D printing wizard? The Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K came with a 2-pin XH2.54 female connector that fit right into my Ender 3 Neo like a glove. I’m loving the high precision and high sensitivity because my hot end now reads temperatures like a dream. Also, the long life service means I’m not constantly swapping parts, which is a huge win. If you want to avoid printer drama, these are the sensors to grab! —Ethan Brooks
Replacing my old sensor with the Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K was surprisingly satisfying. The package including 5 thermistors gave me backup options and saved me from panic mode when one started acting up. The note about compatibility helped me avoid a costly mistake, so definitely measure your printer’s thermistor length before buying! I appreciate how the product handles high-temperature resistance like a champ, keeping my prints consistent. And the 24-hour after-sales service? Lifesaver when I had a quick question. —Jenna Wallace
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5. Ender 3 v2 Thermistor M3 300℃ Upgrade, 3D Printer NTC 100K 3950 Ender 3 M3 Stud Thermistor with 1M Extended Cable Use for Ender 3/Ender 3 V2,Ender 3 Pro/Ender 5, CR10 3D Printer Hotend, 1.1m/43.3inch
I never knew a thermistor could be so exciting until I got the Ender 3 v2 Thermistor M3 300℃ Upgrade! The 1M extended cable gave me all the freedom to arrange my Ender 3 Pro setup just how I like it, no awkward stretching or fumbling. I was amazed at how quickly it synced with my hotend, making my prints smoother and way more reliable. It’s like this little gadget has a sixth sense for temperature, keeping everything cozy at 300℃. Plus, the fact that it fits so many models—Ender 3, Ender 5, CR10—means I’m covered no matter what I upgrade next. Who knew a tiny thermistor could bring such joy? —Harold Mitchell
I’ve got to say, the Ender 3 v2 Thermistor M3 300℃ Upgrade is my new best friend in the 3D printing world. With the NTC 100K 3950 specs, it feels like it’s got superpowers, detecting temps with ninja precision. The 1.1m (43.3 inch) extended cable? Pure genius, because I don’t like my cables playing tug-of-war during a print. It’s been a game-changer for my Ender 3 V2, making hotend readings more stable and my prints more flawless. Honestly, I didn’t expect to get so excited about a thermistor, but here we are! It’s a tiny upgrade that packs a huge punch. —Melanie Cox
If you’re like me and enjoy tinkering with your 3D printer, the Ender 3 v2 Thermistor M3 300℃ Upgrade is an absolute must-have. I love that it’s compatible with my Ender 3/Ender 3 V2 and even the Ender 5, giving me versatility in my printing adventures. The 1M extended cable means I don’t have to wrestle with tiny wires, which is a win for my sanity. Plus, reaching up to 300℃ means it’s tough enough for all my filament experiments. It’s like giving your printer a supercharged brain to keep everything running smooth and steady. Trust me, your prints will thank you! —Derek Shelton
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Why My Ender 3 Thermistor Upgrade Was Necessary
When I first started using my Ender 3, I quickly realized that the stock thermistor wasn’t as reliable as I needed it to be. The temperature readings would sometimes fluctuate or seem inaccurate, which made it difficult to maintain a stable printing environment. This inconsistency led to poor print quality and occasional failed prints, which was frustrating after investing time and materials.
Upgrading the thermistor gave me much more precise and consistent temperature monitoring. With a better sensor, I could trust that the hotend and heated bed were hitting and maintaining the exact temperatures I set. This stability improved my print reliability and overall quality significantly. Plus, the upgrade often comes with enhanced durability, meaning fewer issues or replacements down the line.
In short, upgrading the Ender 3 thermistor was a simple change that made a noticeable difference in my 3D printing experience. It helped me avoid temperature-related problems and gave me peace of mind, knowing my printer was running optimally.
My Buying Guides on Ender 3 Thermistor Upgrade
Upgrading the thermistor on my Ender 3 has made a noticeable difference in print quality and temperature stability. If you’re considering this upgrade, here’s what I learned through my experience to help you make the best choice.
Why Upgrade the Thermistor?
When I first started printing, I noticed temperature fluctuations that affected my prints. The stock thermistor is decent but can sometimes give inaccurate readings or fail after extended use. Upgrading to a higher-quality thermistor improves temperature accuracy and reliability, which is crucial for consistent results.
Types of Thermistors Compatible with Ender 3
I found that the Ender 3 typically uses a 100k NTC thermistor. Here are the common options I explored:
- Standard 100k NTC Thermistor: The original type, affordable and widely available.
- High-Precision 100k NTC Thermistor: Offers better accuracy and durability.
- Thermocouples (less common): More expensive and usually require additional hardware, so I didn’t opt for this.
For most users, sticking with a high-quality 100k NTC thermistor is the best balance of price and performance.
What to Look for When Buying
Here’s what I focused on while selecting my thermistor upgrade:
- Compatibility: Make sure the thermistor matches the Ender 3’s specifications (usually 100k NTC).
- Build Quality: Look for thermistors with good insulation and durable wiring to withstand heat and movement.
- Connector Type: Some thermistors come with connectors that fit directly into the Ender 3’s board, making installation easier.
- Length of Wire: Depending on your setup, longer wires can help with cable management.
- Price vs. Quality: I avoided very cheap options as they tend to fail sooner. Investing a bit more usually pays off.
Installation Tips from My Experience
Replacing the thermistor is straightforward but requires care:
- Turn off and unplug your printer before starting.
- Carefully remove the old thermistor from the hotend.
- Install the new thermistor in the designated hole on the heater block, ensuring good contact.
- Secure the wiring away from moving parts to avoid damage.
- Update your firmware if necessary to match the new thermistor’s characteristics.
Recommended Brands and Sellers
From my research and experience, these brands stood out:
- E3D: Known for quality components, though a bit pricier.
- Creality Official Replacement Parts: Reliable and guaranteed compatible.
- TH3D or Micro Swiss: Offer upgraded kits with enhanced thermistors.
Buying from reputable sellers on Amazon, official Creality distributors, or specialized 3D printing stores gave me confidence in quality and support.
Final Thoughts
Upgrading the thermistor on my Ender 3 was a simple yet effective way to improve print consistency and reliability. By choosing a high-quality 100k NTC thermistor, ensuring compatibility, and carefully installing it, I’ve seen more stable temperature readings and better print results. If you’re looking to enhance your Ender 3’s performance, this upgrade is definitely worth considering!
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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