{"product_id":"k2-pro-k2-plus-series-hotend-insulation-sleeve-3pcs","title":"Creality K2 \/ Pro \/ Plus Hotend Insulation Sleeve","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong\u003eCreality K2 Series Hotend Insulation Sleeve – 3-Pack Silicone Socks – Genuine OEM\u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCreality K2 Series Hotend Insulation Sleeve\u003c\/strong\u003e is a genuine OEM replacement silicone sock designed to fit around the hotend heating block of compatible \u003cstrong\u003eCreality K2 Series 3D printers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMade from \u003cstrong\u003eheat-resistant silicone\u003c\/strong\u003e, the sleeve helps insulate the hotend, maintain more stable operating temperatures, and protect the heating block from filament residue and debris. Creality officially identifies this replacement as the \u003cstrong\u003eHotend Insulation Sleeve, SKU 4004010291\u003c\/strong\u003e, supplied as a \u003cstrong\u003e3-piece set\u003c\/strong\u003e. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eProduct Function\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe silicone insulation sleeve fits directly over the hotend heating area and provides a thermal barrier between the hotend and surrounding airflow.\u003c\/p\u003e\n\u003cp\u003eIt helps:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain more stable hotend temperatures\u003c\/li\u003e\n\u003cli\u003eReduce heat loss from the heating block\u003c\/li\u003e\n\u003cli\u003eProtect the hotend from filament buildup\u003c\/li\u003e\n\u003cli\u003eReduce the effect of cooling airflow on the heater block\u003c\/li\u003e\n\u003cli\u003eKeep the hotend assembly cleaner\u003c\/li\u003e\n\u003cli\u003eImprove temperature consistency during long and high-speed prints\u003c\/li\u003e\n\u003cli\u003eProtect surrounding components from direct radiant heat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine \u003cstrong\u003eCreality OEM replacement part\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeat-resistant silicone construction\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the \u003cstrong\u003eCreality K2 Series hotend\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelps maintain consistent nozzle temperatures\u003c\/li\u003e\n\u003cli\u003eReduces heat loss from the heating block\u003c\/li\u003e\n\u003cli\u003eProtects the hotend from melted filament residue\u003c\/li\u003e\n\u003cli\u003eFlexible design for easy installation and removal\u003c\/li\u003e\n\u003cli\u003eDirect replacement for damaged or worn original silicone socks\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e3 insulation sleeves per package\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eIdeal maintenance spare for frequent printer use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Creality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Hotend Insulation Sleeve \/ Silicone Sock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCreality SKU:\u003c\/strong\u003e \u003cstrong\u003e4004010291\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heat-Resistant Silicone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e \u003cstrong\u003e16 × 18.53 × 27.95 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e \u003cstrong\u003e3 Pieces\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Location:\u003c\/strong\u003e Hotend Heating Block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Thermal Insulation \u0026amp; Hotend Protection \u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe OEM \u003cstrong\u003e4004010291\u003c\/strong\u003e insulation sleeve is listed for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCreality K2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCreality K2 Pro\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCreality K2 Plus\u003c\/strong\u003e \u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe K2 Pro hotend operates at temperatures up to \u003cstrong\u003e300°C\u003c\/strong\u003e, making proper hotend insulation important for maintaining consistent thermal performance. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhen Should It Be Replaced?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eReplace the silicone sleeve when it becomes torn, deformed, loose, heavily contaminated with melted filament, or damaged during hotend maintenance.\u003c\/p\u003e\n\u003cp\u003eA damaged or missing sleeve may expose the heater block directly to cooling airflow and filament residue.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e3 × Creality K2 Series Hotend Insulation Sleeves\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThis product is the \u003cstrong\u003esilicone insulation sleeve only\u003c\/strong\u003e. The hotend, nozzle, heater, thermistor, and other toolhead components are not included.\u003c\/p\u003e\n\u003cp\u003eAlways allow the hotend to \u003cstrong\u003ecool completely\u003c\/strong\u003e before removing or installing the silicone sleeve. Creality's hotend service instructions specifically call for removing the silicone sleeve during hotend disassembly. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Creality","offers":[{"title":"Default Title","offer_id":52474218086680,"sku":"4004010291","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/6901\/3784\/files\/61wMsoTC2RL._SL1500.jpg?v=1785949742","url":"https:\/\/alpha3dlab.com\/products\/k2-pro-k2-plus-series-hotend-insulation-sleeve-3pcs","provider":"Alpha 3D Lab","version":"1.0","type":"link"}