{"product_id":"prusa-hotend-fan-mk4-3-9-xl","title":"Prusa Hotend fan MK4\/3.9\/XL","description":"\u003cp style=\"text-align: justify;\"\u003eThe Hotend Fan MK4\/3.9\/XL is a replacement fan designed for cooling the heatsink of Nextruder systems in compatible Original Prusa printers. This component ensures heat dissipation around the hotend to limit heat creep phenomena and maintain stable filament feeding during prolonged FDM prints.\u003cbr\u003e\u003cbr\u003eDesigned as an original manufacturer part, it integrates directly into existing assemblies without special mechanical adaptation. Its replacement can be carried out as part of preventive or corrective maintenance on the extrusion systems of the machines concerned.\u003c\/p\u003e \u003ch2\u003eThermal Management and Maintenance\u003c\/h2\u003e \u003cp style=\"text-align: justify;\"\u003eThe fan contributes to the permanent cooling of the heatsink block to maintain an effective separation between the melting zone and the cold zone. This thermal control is particularly important when printing materials sensitive to premature softening in the filament path.\u003cbr\u003e\u003cbr\u003eReplacing the fan restores original cooling performance in the event of wear, mechanical noise, or rotation failure. Installation is carried out via the maintenance procedures documented by Prusa Research for each compatible platform.\u003c\/p\u003e \u003ch2\u003eIntegration on Prusa Platforms\u003c\/h2\u003e \u003cp style=\"text-align: justify;\"\u003eThis part is compatible with several generations of Nextruder systems used on MK4, MK3.9, XL, and CORE One platforms. It is supplied as a single spare part for replacing the original hotend fan. Several references and component variants exist depending on machine generations and assembly configurations.\u003c\/p\u003e \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \u003ctable\u003e \u003ctr\u003e\n\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\n\u003ctd\u003eReplacement hotend fan\u003c\/td\u003e\n\n\n\u003c\/tr\u003e \u003ctr\u003e\n\n\u003cth\u003eFunction\u003c\/th\u003e\n\n\u003ctd\u003eHotend heatsink cooling\u003c\/td\u003e\n\n\n\u003c\/tr\u003e \u003ctr\u003e\n\n\u003cth\u003eCompatible Technology\u003c\/th\u003e\n\n\u003ctd\u003eFDM\u003c\/td\u003e\n\n\n\u003c\/tr\u003e \u003ctr\u003e\n\n\u003cth\u003eExtruder Compatibility\u003c\/th\u003e\n\n\u003ctd\u003eNextruder system\u003c\/td\u003e\n\n\n\u003c\/tr\u003e \u003ctr\u003e\n\n\u003cth\u003eContent\u003c\/th\u003e\n\n\u003ctd\u003eHotend fan\u003c\/td\u003e\n\n\n\u003c\/tr\u003e \u003ctr\u003e\n\n\u003cth\u003eInstallation\u003c\/th\u003e\n\n\u003ctd\u003eDirect replacement of the original part\u003c\/td\u003e\n\n\n\u003c\/tr\u003e \u003ctr\u003e\n\n\u003cth\u003eUsage\u003c\/th\u003e\n\n\u003ctd\u003eMaintenance and repair\u003c\/td\u003e\n\n\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch2\u003eCompatibility\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eOriginal Prusa FDM 3D printers equipped with the Nextruder system\u003c\/li\u003e \u003cli\u003eCompatible with Original Prusa MK3.9\u003c\/li\u003e \u003cli\u003eCompatible with Original Prusa MK3.9S\u003c\/li\u003e \u003cli\u003eCompatible with Original Prusa MK4\u003c\/li\u003e \u003cli\u003eCompatible with Original Prusa MK4S\u003c\/li\u003e \u003cli\u003eCompatible with Original Prusa XL\u003c\/li\u003e \u003cli\u003eCompatible with Original Prusa CORE One\u003c\/li\u003e \u003cli\u003eCompatible with Original Prusa CORE One L\u003c\/li\u003e \u003c\/ul\u003e","brand":"Prusa","offers":[{"title":"Default Title","offer_id":56893898129752,"sku":"IDF__5517_IDS__1617","price":8.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/8979\/0296\/files\/a63ed130-b85c-4257-a36c-a0a093459171.jpg?v=1779289596","url":"https:\/\/3dprint.shop\/en\/products\/prusa-hotend-fan-mk4-3-9-xl","provider":"3dPrint.Shop","version":"1.0","type":"link"}