{"product_id":"1140-140-0657-exhaust-muffler-replacement","title":"1140 140 0657 Exhaust Muffler Replacement Compatible with STIHL MS311 MS391 Chainsaws","description":"\u003ch3 class=\"MsoNormal\"\u003e\n\u003cstrong\u003eDescription：\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1140 140 0657 Exhaust Muffler Replacement for STIHL Chainsaws\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eReplace a worn or damaged chainsaw muffler with this aftermarket replacement part designed for compatible STIHL MS311 and MS391 chainsaw applications.\u003c\/p\u003e\n\u003cp\u003eMade from durable metal materials, this exhaust muffler helps reduce operating noise and withstand high-temperature conditions during regular chainsaw use.\u003c\/p\u003e\n\u003cp\u003ePlease verify your existing part number, mounting position, and product images before ordering.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eProduct Features：\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003e✓ Replacement exhaust muffler for compatible chainsaw models\u003cbr\u003e✓ Designed to replace worn or damaged muffler assemblies\u003cbr\u003e✓ Helps reduce exhaust noise during chainsaw operation\u003cbr\u003e✓ Durable metal construction for heat and vibration resistance\u003cbr\u003e✓ Easy installation to help restore normal chainsaw performance\u003cbr\u003e✓ Suitable for selected STIHL MS311 and MS391 applications\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Specifications：\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 196.938px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 19.5938px;\"\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 19.5938px;\"\u003e \u003cstrong\u003eDetails\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 19.5938px;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 19.5938px;\"\u003eChainsaw Exhaust Muffler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 20.5938px;\"\u003eReplacement Number\u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 20.5938px;\"\u003e1140 140 0657\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 19.5938px;\"\u003eAlternative Numbers\u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 19.5938px;\"\u003e11401400657 \/ 1140-140-0657\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 19.5938px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 19.5938px;\"\u003eChainsaw Parts  \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 19.5938px;\"\u003eCompatible Brand \u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 19.5938px;\"\u003eSTIHL \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 19.5938px;\"\u003eCompatible Models\u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 19.5938px;\"\u003e MS311 \/ MS391 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 19.5938px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 19.5938px;\"\u003eHigh-strength Metal \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 19.5938px;\"\u003eFunction \u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 19.5938px;\"\u003eExhaust Noise Reduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.7169%; height: 19.5938px;\"\u003eReplacement Type \u003c\/td\u003e\n\u003ctd style=\"width: 63.9221%; height: 19.5938px;\"\u003eAftermarket Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003ePackage Includes：1 × Exhaust Muffler\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatible Models：\u003cbr\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDesigned for selected:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSTIHL Chainsaws:  MS311  \/  MS391\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease verify your original part number and muffler design before purchase.\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility Notice：\u003cbr\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e⚠️ Please compare your existing muffler shape, mounting holes, exhaust position, and part number before ordering.\u003c\/p\u003e\n\u003cp\u003eThis product is an aftermarket replacement part and is not manufactured by or affiliated with STIHL or the original equipment manufacturer.\u003cbr\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":49963128094970,"sku":null,"price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/4564\/9402\/files\/MS370.jpg?v=1785491268","url":"https:\/\/cetiparts.com\/products\/1140-140-0657-exhaust-muffler-replacement","provider":"CETIPARTS","version":"1.0","type":"link"}