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FYSETC 3D Prusa Printer Accessory - MK4 MK4S Heater Block Silicone Sock: Hotend Part Insulate Protect Hot End Nozzle Print Head Cover Compatible with i3 MK3.9 XL - Black, Pack of 4

FYSETC 3D Prusa Printer Accessory - MK4 MK4S Heater Block Silicone Sock: Hotend Part Insulate Protect Hot End Nozzle Print Head Cover Compatible with i3 MK3.9 XL - Black, Pack of 4

$22.39 USD
$22.39 USD
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About this item

  • 1. Replacement Nozzle cover for MK4 Hot End: The Heater Block Silicone Sock is compatible with Prusa i3 MK4 MK4S - MK3.9 - XL 3D Printer. These fit snugly, do not warp under heat and work well. Note: NOT for Core One L Prusa MK3S MK3 MK2.5S MK2.5 MK2S MMU2S CW1 SL1 MINI MK3S+ MINI+ SL1S CW1S MK2 MMU2 MMU1 MMU3 Hotend. A perfect diy 3d printer part for MK4 all-metal high-precision nozzle with an all-metal filament guide (no PTFE tubes anywhere).
  • 2. Easy to install and remove: Drop-in Replacement for the original sock. They go on just as easily as the OEM ones do, Help keep your heater block clean and repel plastic of burnt, blackened, and filament build-up, reduce your repair times, then extend the life of the heat block and nozzle, even the whole hot end. Make sure to enable the "Nextruder Silicone Sock" option under "Settings->Hardware", otherwise you might see issues with it not retracting enough to prevent crashing into your print.
  • 3. Package Contents: Nice set of silicone covers to keep your blocks clean. Easy Installation, just slip it on. It's a must-have to keep a few extra covers at hand when you don't just have a single nozzle/block. It's easier to keep your MK4 nozzles paired with a block, thermistor, and heater for faster changes. Of course, that includes these silicone covers. It keeps heat block from further messes. Maintain the hotend temperature stable and provides protection from failed 3d printing projects.
  • 4.Upgraded Material:3D Printer Hotend Silicone Sock is made of heat-resistant, non-stick silicone material, Injection molded with temperature resistance up to 280°C/536℉. Good for keeping the hot end clean and temperature stable.
  • 5.High temperature Resistance for 3d printer material: With this sock you can safely print more exotic materials such as PETG at higher temperatures while also using the cooling fans at full speed. Actively keeping the hotend very hot and cooling the PETG much quicker before it is laid onto the hotbed can help with success rates on more prints. If need MK4 nextruder nozzle hot bed thermistor heater block, nextruder v6 nozzle adapter, please enter our shop.

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Reviews

  • ⭐⭐⭐⭐⭐

    Hannah Miller — Seattle, Washington
    I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized.

  • ⭐⭐⭐⭐⭐

    Daniel Foster — Austin, Texas
    I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity.

  • ⭐⭐⭐⭐⭐

    Lauren Bennett — Denver, Colorado
    The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements.

  • ⭐⭐⭐⭐⭐

    Jason Parker — Portland, Oregon
    I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.

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FAQ

What types of products does Stemora offer?


Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.

Are Stemora products suitable for children?


Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.

Is adult supervision required?


Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.

Can these products be used at home and in classrooms?


Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.

How can I check what is included with a product?


Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.

How do I know whether an electronic or robotics part is compatible?


Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.

When will I receive tracking information?


Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.

Why did my order arrive in separate packages?


Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.

Can I change or cancel my order?


Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.

What should I do if an item arrives damaged, defective, or incorrect?


Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.

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