--- product_id: 385967295 title: "Upgrade Kobra S1 Ceramic Hotend,0.4mm Hardened Steel Nozzle+Heating Block Integrated Structure Hot End Replacement with Silicone Sock Compatible with Anycubic Kobra S1/S1 Combo 3D Printers" price: "98.82 DT" currency: TND in_stock: true reviews_count: 13 url: https://www.desertcart.tn/products/385967295-upgrade-kobra-s1-ceramic-hotend-0-4mm-hardened-steel-nozzle store_origin: TN region: Tunisia --- # 0.02mm nozzle precision 30% faster heat-up Integrated stable structure Upgrade Kobra S1 Ceramic Hotend,0.4mm Hardened Steel Nozzle+Heating Block Integrated Structure Hot End Replacement with Silicone Sock Compatible with Anycubic Kobra S1/S1 Combo 3D Printers **Price:** 98.82 DT **Availability:** ✅ In Stock ## Summary > 🔥 Upgrade your 3D printing game with precision and speed! ## Quick Answers - **What is this?** Upgrade Kobra S1 Ceramic Hotend,0.4mm Hardened Steel Nozzle+Heating Block Integrated Structure Hot End Replacement with Silicone Sock Compatible with Anycubic Kobra S1/S1 Combo 3D Printers - **How much does it cost?** 98.82 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/385967295-upgrade-kobra-s1-ceramic-hotend-0-4mm-hardened-steel-nozzle) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Upgrade:** Pre-installed heating element and thermistor make swapping seamless—get back to printing faster with minimal setup. - • **Rapid Heat-Up Efficiency:** Cut your preheat time with 30% better thermal conductivity for faster prints and less downtime. - • **Broad Filament Compatibility:** Print PLA, ABS, PETG, TPU and more with confidence—versatility that keeps your creative options open. - • **Precision Hardened Steel Nozzle:** Experience ultra-accurate extrusion with a 0.4mm nozzle tolerance under 0.02mm—flawless layers every time. - • **Integrated Heatbreak & Heating Block:** Say goodbye to filament leaks and detachment thanks to a robust, stable internal design. ## Overview The Upgrade Kobra S1 Ceramic Hotend features an integrated heatbreak and heating block design that enhances stability and reduces filament issues. Made with a brass heatbreak and aluminum alloy heating block, it offers 30% improved thermal conductivity for faster preheating. Its 0.4mm hardened steel nozzle ensures high precision with a diameter tolerance under 0.02mm. Compatible with Anycubic Kobra S1 and S1 Combo printers, it supports a wide range of filaments including PLA, ABS, PETG, and TPU. Pre-installed components simplify installation, making it a reliable upgrade for professional-grade 3D printing. ## Description Product description Review: Great buy - Review after around 100hours of printing. This is a fantastic product Review: double check it ! - i should have looked at it before the return windo closed. i bought this to have on standby when the other one failed and today it did just that so i went in to switch to this one just to find out it has a pin not push in and i cant even return it. its junk ## Features - 【Integrated Structure】The integrated construction of the heatbreak and heating block makes the internal structure more stable, reducing filament leakage and detachment - 【High Temperature Resistance】This kobra s1 hotend is made of brass heatbreak and aluminum alloy heating block, which is excellent in high temperature stability, and the thermal conductivity is improved by 30% compared with standard hotend, greatly reducing the preheating waiting time and enhancing printing efficiency - 【High precision】 The 0.4mm nozzle is made of high-quality hardened steel with no burrs and a diameter tolerance under 0.02 mm for accurate extrusion, and improving printing quality - 【Compatibility】This upgraded ceramic hotend is compatible with the Anycubic Kobra S1 and Kobra S1 Combo 3D printers. It supports the printing of PLA, ABS, PETG, TPU, and other filaments, meeting various printing needs - 【Installation Precautions】Simply swap out your old hotend—heating element, thermistor, and nozzle are pre-installed. Before installation, check for loose parts caused by transit; after fitting, perform a quick nozzle PID calibration to ensure perfect prints ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 3.7 out of 5 stars 111 Reviews | ## Product Details - **Brand:** UniTak3D - **Material:** Aluminum - **Color:** Silver - **Product Dimensions:** 1.02"D x 4.92"W x 4.33"H - **Item Weight:** 60 Grams ## Images ![Upgrade Kobra S1 Ceramic Hotend,0.4mm Hardened Steel Nozzle+Heating Block Integrated Structure Hot End Replacement with Silicone Sock Compatible with Anycubic Kobra S1/S1 Combo 3D Printers - Image 1](https://m.media-amazon.com/images/I/51HAwpJRe1L.jpg) ![Upgrade Kobra S1 Ceramic Hotend,0.4mm Hardened Steel Nozzle+Heating Block Integrated Structure Hot End Replacement with Silicone Sock Compatible with Anycubic Kobra S1/S1 Combo 3D Printers - Image 2](https://m.media-amazon.com/images/I/61oeXqQpevL.jpg) ![Upgrade Kobra S1 Ceramic Hotend,0.4mm Hardened Steel Nozzle+Heating Block Integrated Structure Hot End Replacement with Silicone Sock Compatible with Anycubic Kobra S1/S1 Combo 3D Printers - Image 3](https://m.media-amazon.com/images/I/6184-uPlBhL.jpg) ![Upgrade Kobra S1 Ceramic Hotend,0.4mm Hardened Steel Nozzle+Heating Block Integrated Structure Hot End Replacement with Silicone Sock Compatible with Anycubic Kobra S1/S1 Combo 3D Printers - Image 4](https://m.media-amazon.com/images/I/71ds1Jd7UuL.jpg) ![Upgrade Kobra S1 Ceramic Hotend,0.4mm Hardened Steel Nozzle+Heating Block Integrated Structure Hot End Replacement with Silicone Sock Compatible with Anycubic Kobra S1/S1 Combo 3D Printers - Image 5](https://m.media-amazon.com/images/I/71iYbGaNs2L.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Do the threads come with any thread locker or anything? The oem one in my vyper looks like it came with stripped threads and some kind of epoxy in it.** A: You must have a bad 3D Printer Hotend. I would get it replaced. **Q: Which version fits the kobra max? also: does the connector fit?** A: The Vyper one fits the Max. I purchased one just in case and had to replace the original in my Max tonight and everything seems to be working fine. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great buy *by J***H on April 26, 2026* Review after around 100hours of printing. This is a fantastic product ### ⭐ double check it ! *by L***D on March 23, 2026* i should have looked at it before the return windo closed. i bought this to have on standby when the other one failed and today it did just that so i went in to switch to this one just to find out it has a pin not push in and i cant even return it. its junk ### ⭐⭐⭐⭐⭐ Product comparable with latest firmware version 2.6.0 100% *by R***A on January 11, 2026* Worked great!! Fit perfect Solved my clogging issue instantly. I wasn’t able to print ANYTHING before this product. Heats up super fast and cut my prep time down by more than half. fast overnight delivery at a amazing price! So happy i can finally print ## Frequently Bought Together - ANYCUBIC Vyper/Kobra Max/Kobra Plus 3D Printer Hotend Replacement Volcano V5 J-Head Quality Brass Nozzle 24V40W Ceramic Heating Cartridge Element Supports High Speed Printing - 15PCS Nozzles Kit for Anycubic Vyper, 3D Printer 7PCS 0.4mm Brass Nozzles and 2PCS 0.2mm, 0.6mm, 0.8mm, 1.0mm Brass Nozzles Kit for Anycubic Vyper, Kobra Plus, Kobra Max - ANYCUBIC PLA 3D Printer Filament, RFID 3D Printing PLA Filament 1.75mm Dimensional Accuracy +/- 0.02mm, 1KG Spool (2.2 lbs), Texture Grey --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/385967295-upgrade-kobra-s1-ceramic-hotend-0-4mm-hardened-steel-nozzle](https://www.desertcart.tn/products/385967295-upgrade-kobra-s1-ceramic-hotend-0-4mm-hardened-steel-nozzle) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-11*