{"product_id":"ergit-3-pack-spool-replacement-for-stihl-fsa-57-autocut-c3-2-trimmer-head","title":"ERGIT 3-Pack Spool Replacement for Stihl FSA 57 AutoCut C3-2 Trimmer Head","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe ERGIT 3-Pack Spool Replacement offers a practical refresh for Stihl FSA 57 cordless trimmers equipped with the AutoCut C3-2 head. This set includes three replacement spools pre-loaded with durable nylon line, built to keep you trimming with minimal downtime and consistent results from session to session.\u003c\/p\u003e\n\u003cp\u003eDesigned for real-world use, these spools are a straightforward swap when your current spool wears, runs low, or you simply want a ready backup. The balanced 0.080\" (2 mm) nylon line provides a dependable balance of cutting performance and line durability, helping you tackle edging, light brush, and lawn-clear tasks with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility and important notes\u003c\/h3\u003e\n\u003cp\u003eCompatibility is specific to the FSA 57 battery trimmer paired with the AutoCut C3-2 trimmer head. Please verify your device serial number: if it starts with the digit “5,” this Autocut C3-2 spool will fit; if it starts with “9,” it is not compatible. This helps prevent mismatch during the swap and protects against improper loading.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s included and key specs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThree replacement spools in each package, ready for future jobs.\u003c\/li\u003e\n  \u003cli\u003eEach spool uses .080\" (2 mm) nylon line for reliable feeding and steady line width.\u003c\/li\u003e\n  \u003cli\u003eReplaces Stihl part numbers 4009 710 4305 and 4009 710 4306, simplifying replacement decisions.\u003c\/li\u003e\n  \u003cli\u003eIn the trimmer head, the line auto-feeds when you strike the head, enabling quick reloading with minimal fuss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world use and benefits\u003c\/h3\u003e\n\u003cp\u003eIn everyday yard work, you’ll notice a straightforward changeover process that gets you back to trimming quickly. The three-pack setup gives you backup spools on hand, helping reduce downtime between sessions. The 0.080\" line strikes a balance suitable for typical trimming tasks, offering a predictable cut with steady line wear between replacements.\u003c\/p\u003e\n\n\u003ch3\u003eTips to optimize performance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-check serial compatibility before installation to ensure a proper fit with your FSA 57 and AutoCut C3-2 head.\u003c\/li\u003e\n  \u003cli\u003eKeep spares on hand to minimize downtime on busy days.\u003c\/li\u003e\n  \u003cli\u003eUse the head-tap method to extend the line as needed, avoiding unnecessary wear and maximizing efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eERGIT is committed to dependable, easy-to-use accessories that fit your gear and workflow. This 3-pack aims to deliver consistent performance, simple maintenance, and practical value for yard work without overpromising results.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Stihl FSA 57 units work with this ERGIT 3-Pack Spool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits FSA 57 units with serial numbers starting with 5; serials starting with 9 are not supported.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included and which part numbers are replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes three replacement spools with 0.080 inch line; replaces Stihl 4009 710 4305 and 4009 710 4306.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ERGIT","offers":[{"title":"Default Title","offer_id":48192541622516,"sku":"B0CC1KQDVG","price":27.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/ergit-fsa57-spool-3pack-front-view.jpg?v=1778396393","url":"https:\/\/www.cerapatiogarden.com\/products\/ergit-3-pack-spool-replacement-for-stihl-fsa-57-autocut-c3-2-trimmer-head","provider":"Cera Garden","version":"1.0","type":"link"}