{"product_id":"muffler-for-stihl-fs75-fs76-fs80-fs85-4137-140-0603-4137-140-0602","title":"Muffler for Stihl FS75 FS76 FS80 FS85 4137 140 0603 4137 140 0602","description":"\u003cstrong\u003eThis Muffler is a replacement muffler compatible with Stihl FS75, FS76, FS80, and FS85 trimmers, and matches OEM Part# 4137 140 0603 and 4137 140 0602.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis muffler is designed specifically for Stihl FS75, FS76, FS80, and FS85 trimmer models, serving as a direct replacement for worn or damaged factory units. It reduces engine noise and directs exhaust away from the operator, ensuring your Stihl trimmer runs quietly and efficiently. Built to OEM specifications, this muffler restores proper backpressure for optimal engine performance.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for Stihl FS75, FS76, FS80, and FS85 trimmers\u003c\/li\u003e\n\u003cli\u003eMatches OEM part numbers 4137 140 0603 and 4137 140 0602 for exact fit\u003c\/li\u003e\n\u003cli\u003eConstructed from durable, corrosion-resistant steel for long life\u003c\/li\u003e\n\u003cli\u003eIncludes necessary mounting hardware for easy installation\u003c\/li\u003e\n\u003cli\u003eRestores factory noise levels and exhaust flow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStihl FS75\u003c\/li\u003e\n\u003cli\u003eStihl FS76\u003c\/li\u003e\n\u003cli\u003eStihl FS80\u003c\/li\u003e\n\u003cli\u003eStihl FS85\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a cracked or rusted muffler on Stihl trimmers\u003c\/li\u003e\n\u003cli\u003eReducing engine noise during yard maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring proper exhaust flow after muffler failure\u003c\/li\u003e\n\u003cli\u003eCompleting a top-end engine rebuild or replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 4137 140 0603, 4137 140 0602\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e FS75, FS76, FS80, FS85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Painted black\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this muffler fit my Stihl FS90?\u003cstrong\u003e A:\u003c\/strong\u003e No, this muffler is specifically designed for FS75, FS76, FS80, and FS85 models. Please verify your model number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the muffler include a gasket?\u003cstrong\u003e A:\u003c\/strong\u003e This muffler does not include a gasket; we recommend reusing your original gasket or purchasing one separately if needed.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53721916211473,"sku":"ZZ3C00409","price":29.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_c33284b7-b667-49fd-8393-9d1d8c08f78c.jpg?v=1782823866","url":"https:\/\/www.duraforce.com\/products\/muffler-for-stihl-fs75-fs76-fs80-fs85-4137-140-0603-4137-140-0602","provider":"DURAFORCE","version":"1.0","type":"link"}