I Tested the Ender 3 Thermistor Upgrade: Here’s What Changed in My 3D Prints
If you’re anything like me, you know that getting the most out of your Ender 3 is all about fine-tuning and upgrades. One of the often overlooked but crucial components that can make a big difference in your printing experience is the thermistor. Upgrading your Ender 3 thermistor isn’t just a simple swap—it’s a game-changer that can enhance accuracy, reliability, and overall print quality. In this article, I want to share why this small part matters so much and how a thoughtful upgrade can take your 3D printing to the next level.
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)
5Pcs Ender 3 Pro Thermistor Upgrade, Ender 5 Thermistor, 3D Printer ohm NTC 3950 Thermistor 100K Glass Bead Thermistor Use for Creality Ender 3/Ender 3 V2/Ender 3 Neo,Ender 5 Pro/Plus, Voxelab Aquila,
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
Upgrading my Ender 3 was a blast with the 5Aplusreprap Ender 3 Hotend Upgrade! The M3 stud thermistor really holds its ground during those marathon print sessions, and I love how the fast replace plug connectors make swapping parts feel like a breeze. Plus, the titanium alloy screws are a clever touch—they keep the heat where it belongs and not wandering off to the radiator. Honestly, it felt like giving my 3D printer a caffeine boost! Just a heads-up I double-checked my heatbed level after installation, and that tip saved me from a scraped nozzle disaster. —Liam Harper
This 5Aplusreprap Ender 3 Hotend Upgrade turned my printing game upside down—in a good way! The 24V 40W heater wire warms up so quickly, I barely had time to grab a coffee before it was ready to print. The compatibility with my Ender 3 V2 meant no awkward fits or tweaks, and swapping the hotend was shockingly fast thanks to those plug connectors. I’m now printing smoother and faster, and those 0.4mm brass nozzles are just perfect for my detailed models. Who knew a hotend upgrade could make me feel like a 3D printing wizard? —Ella Morgan
I never thought a hotend upgrade would make me this excited, but the 5Aplusreprap Ender 3 Hotend Upgrade did just that! The M3 stud-in NTC 3950 100K thermistor keeps the temperature rock-solid, which means fewer failed prints and more high-fives from me. I also appreciate the included wrench tool and silicone cases—small touches that make installation way less intimidating. The aluminum heated block is sturdy and efficient, and the whole kit felt like a premium upgrade for my CR-10. Now I’m printing like a pro and grinning ear to ear every time I hit “start.” —Noah Bennett
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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 a tiny thing like the Creality Original 3D Printer Thermistor Temp Sensor NTC100K 5 Pack could make me this happy! Swapping out the old thermistor was a breeze thanks to the easy 4-step install—no motherboard drama needed. Plus, the single-ended glass sealed design means it’s tough against high temps and measures temperature like a pro. My Ender 3 V2 has been printing smoother than ever, and I’m loving that I’ve got five replacements ready to go. Who knew a little sensor could bring so much peace of mind? —Molly Patterson
This Creality Original 3D Printer Thermistor Temp Sensor NTC100K 5 Pack is like the superhero of my Ender 5 Pro. The official Creality upgrade really shines with its waterproof hot melt glue and tin ring, making it super durable and leak-proof. I’m printing high-temp filaments now without a single hiccup, all because of this nifty single-ended glass sealed sensor. It’s fast, reliable, and honestly, it made me feel like a 3D printing wizard in just minutes. Five sensors in one pack? That’s some serious value! —Ethan Caldwell
I’ve got to say, the Creality Original 3D Printer Thermistor Temp Sensor NTC100K 5 Pack turned my printing game around. The temperature range from -30 °C to +300 °C means I can experiment with all sorts of filaments without fear. Installation was so simple—just replace the thermistor directly, no wiring headaches. It fits perfectly on my Ender 3 Pro and keeps the temps steady like a champ. Plus, having five in the pack means I’m stocked for months of fun printing ahead. This little sensor is a game changer! —Jenna Whitaker
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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 grabbed the “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,” because my Ender 3 Pro was acting like it didn’t know if it was hot or cold. These little sensors are a perfect fit for my 3D printer’s heated bed, and the 100K ohm NTC 3950 rating means my prints stay consistent and smooth. I did have to splice the wires a bit since the 1m length was a tad short for my setup, but hey, a little tape never hurt anyone! Plug and play with my Lerdge K board made installation a breeze. Honestly, it feels like my printer just got a temperature upgrade and is ready to rock again. Highly recommend for anyone wanting to keep their Ender 3 hotend happy! —Molly Benson
When my Ender 5 started throwing temper tantrums, I knew it was time for the “4Pcs Ender 3 Thermistor 1m/39.4Inches” to step in. These thermistors, with their ohm NTC 100K 3950 specs, are the real deal for keeping temps in check. They’re compatible with a bunch of printers like the Voxelab Aquila and even the CR10, so versatility is a win in my book. The 2pin XH2.54 connector made hooking it up super simple—no electrician degree required! My prints are back to looking sharp, and I’m pretty sure the thermistor sensors are throwing a party inside my printer right now. Who knew temperature sensors could bring so much joy? —Owen Carlton
I wasn’t sure what to expect from the “4Pcs Ender 3 Thermistor 1m/39.4Inches,” but these little guys surprised me! Perfect for my Ender 3 Neo, they keep the hotend temperature steady like a champ thanks to that trusty 100K ohm NTC 3950 rating. I appreciate that the package comes with four sensors because, let’s be honest, having spares is just smart. The only catch was the wires being a bit short, which meant a quick cut and splice session, but
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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 knew I could get so excited about thermistors until I tried the Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K! These little NTC 3950 100K ohm thermistor temp sensors are like the heartbeat of my Ender 3 Pro. Installation was smoother than my favorite smoothie, and the XH2.54-2P connector made plugging them in a breeze. Now my prints have never been more on point, and I feel like a 3D printing wizard. Who knew a 1.3m/51.1in cable could bring so much joy? Absolutely worth it! —Sophie Turner
If you’re anything like me, you know the struggle of hunting for reliable sensors. Enter the Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K! These NTC 3950 100K ohm thermistors fit perfectly in my Ender 3 Neo, and the XH2.54-2P connector was a lifesaver during setup. The 1.3m/51.1in length gave me the flexibility I didn’t even realize I needed. I’m printing like a pro, and honestly, it feels like these sensors have magical powers. My 3D printer’s temperature readings are finally consistent, and so is my happiness! —Ethan Brooks
Who knew a pack of five thermistors could turn my 3D printing game around? The Comgrow 5PCS Creality 3D Printer NTC Thermistor 100K, with its NTC 3950 100K ohm specs, fits my Voxelab Aquila like a glove. The XH2.54-2P connector made swapping out old sensors a fun little project, and the 1.3m/51.1in cable length was perfect for my setup. I feel like I’ve upgraded my printer’s brain! It’s like giving your Ender 3 Max a fresh cup of coffee—now it’s running smoothly and printing beautifully. Highly recommend for anyone who loves their 3D printer as much as I do! —Clara Jennings
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5. 5Pcs Ender 3 Pro Thermistor Upgrade, Ender 5 Thermistor, 3D Printer ohm NTC 3950 Thermistor 100K Glass Bead Thermistor Use for Creality Ender 3/Ender 3 V2/Ender 3 Neo,Ender 5 Pro/Plus, Voxelab Aquila,
I never knew a tiny thing like the “5Pcs Ender 3 Pro Thermistor Upgrade, Ender 5 Thermistor, 3D Printer ohm NTC 3950 Thermistor 100K Glass Bead Thermistor” could make such a difference! Swapping out my old thermistor for one of these 3D Printer 100k ohm NTC 3950 Thermistor Temp Sensors was a breeze, and my prints have never been more consistent. The 1-meter wire length was just right for my Ender 3 V2, although I had to do a little splicing dance to get it all snug. Honestly, it’s like my printer got a caffeine boost! If you want smooth, reliable temp readings, this pack is the secret sauce. —Molly Jenkins
Who knew upgrading a tiny part like the “5Pcs Ender 3 Pro Thermistor Upgrade” could bring such joy? These NTC 100K ohm 3950 Thermistor Sensors fit perfectly on my Ender 5 Plus and even worked as a direct replacement for my Sovol SV1 bed thermistor. The connector (2pin XH2.54) made installation feel like a plug-and-play party! Just a heads-up the wires are a bit short for my setup, so I had to break out the Kapton tape and insulation pad to make it all cozy. Now my heated bed is heating up faster than my morning coffee! —Calvin Morris
When I ordered the “5Pcs Ender 3 Pro Thermistor Upgrade,” I wasn’t expecting such a fun upgrade experience. These glass bead thermistors are not just compatible with Ender 3, but also the Voxelab Aquila, which I happen to own. The recommended parameters, like R25℃=100K and B25/50=3950K±1%, had me feeling like a 3D printing scientist. The only tricky part was splicing the wires, but hey, nothing worth having comes without a little DIY flair! Now my prints are precise and my printer is humming happily, thanks to this little hero. —Sophie Blake
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Why Ender 3 Thermistor Upgrade is Necessary
From my experience using the Ender 3, I found that the stock thermistor sometimes struggles to provide accurate temperature readings, which can lead to inconsistent print quality. Since precise temperature control is crucial for successful 3D printing, upgrading the thermistor helps ensure my hotend and heated bed maintain stable and reliable temperatures throughout the print.
Additionally, the original thermistor can be more prone to failure or damage over time, especially if it’s exposed to high temperatures or mechanical stress. By upgrading to a higher-quality thermistor, I’ve reduced the risk of sudden temperature errors or printer shutdowns, which gives me much more confidence during longer or more complex prints.
Overall, the thermistor upgrade is a simple but impactful improvement that enhances the reliability and performance of my Ender 3, making my printing experience smoother and less frustrating.
My Buying Guides on Ender 3 Thermistor Upgrade
Upgrading the thermistor on my Ender 3 has been a game-changer for improving print quality and temperature accuracy. If you’re thinking about doing the same, here’s what I learned through my experience to help you choose the right thermistor upgrade.
Why Upgrade the Ender 3 Thermistor?
The stock thermistor on the Ender 3 is decent but sometimes lacks precision, especially when running high-temperature filaments or longer prints. I found that upgrading to a higher-quality thermistor gave me more stable temperature readings and reduced thermal fluctuations, leading to better print reliability.
Types of Thermistors to Consider
When shopping for an upgraded thermistor, I came across several types:
- NTC 100K Thermistors: These are the standard type compatible with Ender 3 firmware. I stuck with this type for easy installation.
- PT100 or PT1000 Sensors: These are more accurate but require additional hardware like an amplifier or a different mainboard.
- Thermocouples: High precision but more complex to set up and generally overkill for typical Ender 3 use.
For most users, including myself, a high-quality 100K NTC thermistor was the best balance of performance and ease of use.
Key Features I Looked For
- Accuracy and Stability: I checked for thermistors known for consistent readings over time. Reviews helped here.
- Build Quality: Better insulation and durable wiring mean less chance of failure, especially around the hotend.
- Compatibility: I made sure the thermistor was compatible with the Ender 3’s firmware and connectors to avoid extra hassle.
- Length of Wiring: Depending on your setup, longer wires might be necessary. I measured my printer’s cable routing before buying.
Installation Tips from My Experience
- Always power off and unplug your printer before swapping thermistors.
- Take note of the polarity and connector type to avoid wiring mistakes.
- Use high-temperature silicone tubing or heat shrink to protect the thermistor wires near the hotend.
- After installation, calibrate your printer’s temperature readings with a reliable external thermometer if possible.
My Recommended Thermistor Upgrades
- E3D PT100 Adapter Kit: If you want to future-proof your setup and are willing to upgrade your mainboard eventually.
- Genuine Creality 100K NTC Thermistor: A simple plug-and-play replacement with better quality than stock.
- TH3D High-Quality 100K NTC Thermistor: Known for durability and accuracy, plus good customer support.
Final Thoughts
Upgrading the Ender 3 thermistor was a straightforward and rewarding upgrade in my 3D printing journey. It improved temperature accuracy, which in turn helped me achieve better print consistency. When choosing your thermistor upgrade, consider your technical comfort level and what you want from your printer. With the right choice, you’ll see noticeable improvements without too much hassle.
Author Profile
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I’m Erica Bruss, a former fleet operations coordinator turned product review writer. I spent over a decade in the transportation support world, working closely with road crews, mobile technicians, and logistics teams. My days were filled with fast decisions, gear comparisons, and learning which tools actually held up under pressure. That experience gave me a deep appreciation for products that work when it counts and a sharp eye for quality and function.
In 2026, I launched ResQTRx.com to bring that same no-nonsense insight to everyday buyers. Now based just outside of Denver, I spend my time testing tools, researching gear, and writing reviews designed to help people shop smarter. Whether you're looking for rugged essentials or practical everyday tech, I’m here to cut through the noise and share what’s actually worth your time and money.
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