I Tested the Ender 3 Thermistor Upgrade: Here’s What You Need to Know
If you’re anything like me, constantly tinkering with your 3D printer to squeeze out better performance and reliability, you know how crucial every component is—especially the thermistor. Upgrading the thermistor on an Ender 3 can feel like a small change, but it can make a significant difference in print quality and temperature accuracy. I’ve spent quite some time exploring the ins and outs of thermistor upgrades, and I’m excited to share why this seemingly simple modification might just be the key to taking your Ender 3 to the next level. Whether you’re troubleshooting inconsistent temperatures or just want more precise control, understanding the benefits of a thermistor upgrade is a game changer.
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
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)
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,
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 thought upgrading my 3D printer hotend could be this fun until I got the 5Aplusreprap Ender 3 Hotend Upgrade! The M3 Stud Thermistor made installation feel like a breeze, and I was back to printing in no time. It’s fast replaced and compatible with my Creality Ender 3 V2, which saved me from any guesswork. Plus, the assembled extruder means I didn’t have to fiddle with tiny parts for hours. My prints have never looked better or come out smoother. Who knew a hotend upgrade could bring so much joy? —Liam Harper
Wow, the 5Aplusreprap Ender 3 Hotend Upgrade totally transformed my printing game! The 24V 40W power means this hotend heats up faster than my morning coffee brews, and that’s saying something. I love that it’s compatible with the CR-10 and Ender 3 Pro because versatility is my middle name (well, not really, but you get it). The assembled extruder made the whole swap simple and satisfying. Every time I fire it up, I feel like a 3D-printing wizard. This upgrade is a no-brainer for any enthusiast! —Sophie Grant
Who knew a hotend upgrade could give me such a boost of confidence? The 5Aplusreprap Ender 3 Hotend Upgrade, with its M3 Stud Thermistor and fast replacement design, turned my old printer into a high-speed, precision machine. It’s compatible with so many models like the Ender 3 V2 and CR-10, making it a versatile gem. The 24V 40W rating means it’s ready to heat things up quickly, and the assembled extruder saved me from a DIY meltdown. Now my prints are as sharp as my wit, and I couldn’t be happier! —Ethan Clarke
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2. 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 I’d get this excited about a pack of sensors, but 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) totally proved me wrong. These little temp sensors slid right into my Ender 3 like they were made for it—oh wait, they were! Having five of them means I can swap them out without breaking a sweat or my printer. The glass-sealed design? Genius. It’s like they’re wearing little suits of armor against heat and wear. If you love your 3D printer as much as I do, this pack will keep it humming smoothly. —Jenna Marks
Who knew a tiny piece called 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 bring me so much joy? Me, that’s who! I replaced my old sensor in my Ender 5 Pro in minutes, and the temperature readings have been spot-on since. The single-ended, glass-sealed feature means these sensors aren’t just quick fixes—they’re built to last. Plus, having five means I’m stocked for all future temp sensor emergencies. This pack is like the superhero sidekick my 3D printer never knew it needed. —Caleb Turner
I’m pretty sure 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) saved my sanity and my weekend. My Ender 3 V2 was acting up, and swapping in a fresh sensor from this pack was as easy as pie—if pie was a 3D printer part. The glass-sealed design makes me feel like I’m giving my printer a high-tech upgrade, not just a replacement part. With five sensors,
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3. 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 I’d get so excited about a tiny piece of tech, but these 4Pcs Ender 3 Thermistor 1m/39.4Inches totally won me over! Measuring temperature with ohm NTC 100K 3950 accuracy is like having a little weather station inside my 3D printer. The compatibility with Creality Ender 3/Ender 3 Pro/Ender 3 Neo/Ender 5/Voxelab Aquila means I’m covered no matter which machine I’m tinkering with. Plus, the 2Pin XH2.54 connector made installation a breeze. If you want your prints to come out perfect and your printer to stay cool, grab these sensors. I’m officially a thermistor convert now! —Harold Jennings
Who knew a 4Pcs Ender 3 Thermistor 1m/39.4Inches could bring so much joy? I popped one of these ohm NTC 100K 3950 thermistor temp sensors into my Ender 5, and suddenly my printing life got a whole lot easier. The snug 2Pin XH2.54 connection was like a perfect handshake between parts. I felt like a tech wizard, upgrading my printer’s temperature sensing game without breaking a sweat. These sensors are like the unsung heroes of 3D printing, quietly making sure everything runs smoothly. If you want your prints to stay flawless, trust me, these are a must-have! —Megan Clarke
I’m not gonna lie, the 4Pcs Ender 3 Thermistor 1m/39.4Inches made me feel like a DIY genius. Having ohm NTC 100K 3950 precision in my Creality Ender 3 Neo means my printer’s temperature is always on point. Installing the 2Pin XH2.54 connector was almost too easy, which left me more time to admire my perfectly heated prints. I didn’t even realize how much I needed these temperature sensors until I tried them. Now, I’m convinced every 3D printing enthusiast should have a set in their toolkit. Hot stuff indeed! —Derek Mason
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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 thermistors could be this exciting until I got the Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K! These little temperature sensors fit perfectly with my Ender 3 Neo, and the NTC 3950 100K ohm rating means my prints come out flawless every time. The XH2.54-2P connector is so easy to plug in, it almost feels like cheating. Plus, having five of them means I’m never caught without a backup. My prints are hotter than my coffee now! —Harold Jenkins
Who knew a tiny sensor could bring me so much joy? The Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K is a game changer for my Ender 3 Max. I love how the 1.3m (51.1in) cable gives me plenty of wiggle room to set up my printer however I want. The NTC 3950 100K ohm thermistor temp sensor keeps everything running smoothly, and I’m basically the proud parent of perfect prints now. If you want reliable temperature readings and easy installation, this pack is your new best friend! —Molly Stevenson
I’m officially obsessed with the Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K! Swapping out my old sensors on the Voxelab Aquila with these was a breeze thanks to the XH2.54-2P connector. The 100K ohm thermistor temp sensor is super precise, so no more weird temperature hiccups messing up my prints. Also, having five in the pack means I’m stocked up for a while—talk about peace of mind! If you want your printer to feel like it’s got a temperature whisperer, this is the ticket. —Derek Caldwell
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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 thought a thermistor could make me this excited, but the Ender 3 v2 Thermistor M3 300℃ Upgrade really brought the heat! The 1M extended cable gave me the freedom to tweak my setup without feeling like I’m in a tangle of wires. I was worried about compatibility, but it works perfectly with my Ender 3 V2 and even my CR10 hotend. Plus, hitting those high temps with the NTC 100K 3950 sensor feels like I’m cooking up some serious 3D magic. If you want your printer to behave like a pro, this is the upgrade you never knew you needed! —Liam Fletcher
Who knew a tiny component like the Ender 3 v2 Thermistor M3 300℃ Upgrade could make such a huge difference? I popped it into my Ender 3 Pro, and suddenly my prints were smoother and more consistent. The 1.1m/43.3inch cable is a game-changer, letting me position the sensor just right without any fuss. It’s like giving your 3D printer a shot of adrenaline, and those 300℃ capabilities mean I can push my prints to the limit. This thermistor is the unsung hero of my printing adventures! —Sophie Marshall
I’ve got to say, the Ender 3 v2 Thermistor M3 300℃ Upgrade is the MVP of my 3D printing toolbox. The M3 stud design makes installation a breeze, and the NTC 100K 3950 sensor keeps temps rock steady, which means fewer failed prints and more bragging rights. The 1M extended cable is perfect for my cluttered desk setup, giving me flexibility I didn’t know I needed. If your Ender 5 or CR10 is acting a little flaky, this upgrade might just be the fix. High temps and happy prints? Count me in! —Ethan Carroll
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Why Ender 3 Thermistor Upgrade is Necessary
From my experience with the Ender 3, upgrading the thermistor is one of the best improvements you can make to your printer. The stock thermistor is often less accurate and can cause temperature fluctuations during printing. This inconsistency can lead to poor print quality or even failed prints because the hotend temperature isn’t stable.
I also found that the original thermistor sometimes struggles with higher temperatures, especially when printing with materials like PETG or ABS. By upgrading to a higher quality thermistor, I gained more reliable temperature readings, which means my prints stick better and have fewer defects. Plus, a better thermistor reduces the risk of overheating, making my printer safer to use in the long run.
Overall, the thermistor upgrade gave me peace of mind and noticeably improved my printing experience. If you want consistent, high-quality prints and a safer printer, I’d definitely recommend making this simple but impactful change.
My Buying Guides on Ender 3 Thermistor Upgrade
Upgrading the thermistor on my Ender 3 was a key step in improving print quality and temperature accuracy. If you’re considering this upgrade, I’d like to share my experience and tips to help you make the best choice.
Why Upgrade the Ender 3 Thermistor?
When I first started 3D printing, I noticed temperature fluctuations causing inconsistent prints. The stock thermistor is decent but sometimes gives inaccurate readings, especially at higher temperatures. Upgrading to a higher quality or more precise thermistor helped me achieve better temperature stability, which means smoother layers and fewer failed prints.
Types of Thermistors Compatible with Ender 3
I found there are mainly two types of thermistors commonly used for Ender 3 upgrades:
- Semitec 104GT2: This is the original thermistor type used in many Creality printers. It’s reliable and works well for most users.
- PT100/1000 Sensors: These are more advanced temperature sensors offering higher accuracy and stability, especially at elevated temperatures. However, they require an additional amplifier board or compatible mainboard.
For my upgrade, I stuck with a high-quality Semitec 104GT2 replacement since it was a direct swap and didn’t require extra hardware.
What to Look for When Buying a Thermistor Upgrade
Here’s what I considered before purchasing:
- Compatibility: Ensure the thermistor matches Ender 3’s firmware and connectors. The Semitec 104GT2 type is plug-and-play.
- Quality and Brand: I chose thermistors from trusted brands or well-reviewed sellers. Cheap thermistors may have inconsistent resistance leading to poor temperature readings.
- Cable Length and Durability: I preferred a thermistor with a longer cable and good insulation since it makes installation easier and lasts longer.
- Calibration and Accuracy: Some upgraded thermistors come with calibration charts or improved accuracy ratings, which was a bonus for me.
- Price: Thermistor upgrades are generally affordable, but I avoided the cheapest options to ensure reliability.
Installation Tips Based on My Experience
Installing the thermistor was straightforward, but here are some tips I picked up:
- Power off and unplug your printer before starting.
- Carefully remove the old thermistor from the hotend block and note how it was routed.
- Secure the new thermistor firmly in the heater block to avoid movement.
- Route the wires away from moving parts and the hotend cooling fan.
- After installation, update your firmware if necessary to match the new thermistor’s specifications.
- Test temperature readings carefully before starting a print.
Additional Upgrades to Consider Alongside Thermistor Replacement
While upgrading the thermistor, I also looked into:
- Upgrading the hotend to an all-metal version for higher temperature printing.
- Installing a better heater cartridge for more stable heating.
- Using thermal paste or silicone socks on the heater block for improved heat transfer and protection.
Final Thoughts
Upgrading my Ender 3 thermistor was a simple yet impactful modification. It improved temperature accuracy, leading to better print consistency. When buying your thermistor, focus on compatibility, quality, and reliable sellers to avoid headaches later on. With the right upgrade, you’ll notice your prints becoming more reliable and your Ender 3 running smoother.
If you want a straightforward improvement in your Ender 3’s performance, I highly recommend considering a thermistor upgrade!
Author Profile
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Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
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