{"product_id":"stens-muffler-105-254-replacement-for-briggs-stratton-391569s","title":"Stens Muffler 105-254 | Replacement for Briggs \u0026 Stratton 391569S","description":"\u003ch2\u003eDirect replacement muffler for Briggs \u0026amp; Stratton engines\u003c\/h2\u003e\u003cp\u003eThe Stens muffler 105-254 is designed as a straightforward, direct replacement for Briggs \u0026amp; Stratton units that list 391569S, 391569, or 299477 as their OEM numbers. This part mirrors the factory footprint, mounting points, and overall shape, helping you maintain the familiar layout and sound profile of your outdoor power equipment.\u003c\/p\u003e\u003cp\u003eBefore purchasing, verify the part fits your Briggs \u0026amp; Stratton unit. Check your model number against the compatibility list and confirm the pipe thread and length match your existing setup to avoid mismatches.\u003c\/p\u003e\u003ch3\u003eCompatibility and replacements\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplaces OEM numbers: Briggs \u0026amp; Stratton 391569S, 391569, 299477\u003c\/li\u003e\n\u003cli\u003eFits Models: Briggs \u0026amp; Stratton 251412, 251416, 254422, 254427, 283702\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOD: 4 1\/8 in\u003c\/li\u003e\n\u003cli\u003eLength: 7 7\/8 in\u003c\/li\u003e\n\u003cli\u003ePipe Thread: 1 in\u003c\/li\u003e\n\u003cli\u003ePipe Length: 4 3\/4 in\u003c\/li\u003e\n\u003cli\u003eNo Assembly Required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world use and considerations\u003c\/h3\u003e\u003cp\u003eDesigned for routine maintenance, this muffler offers a direct path for exhaust flow and a familiar mounting interface. While results can vary by engine condition and environment, using a matched muffler helps preserve original geometry and noise characteristics without guessing on fit.\u003c\/p\u003e\u003cp\u003eEnd-user notes: this part is presented as a compatible replacement rather than a guaranteed performance upgrade, so careful fit verification remains important before installation.\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: What engines and models is this Stens muffler compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Briggs \u0026amp; Stratton models 251412, 251416, 254422, 254427, 283702; it replaces OEM numbers 391569S, 391569, 299477.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this muffler require any assembly during installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No assembly is required; it is a direct replacement matching the original pipe thread and length.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Stens","offers":[{"title":"Default Title","offer_id":43980550078598,"sku":"B000GGYUYA","price":35.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/stens-muffler-105-254-briggs-stratton-391569s.jpg?v=1778690613","url":"https:\/\/patiozora.com\/products\/stens-muffler-105-254-replacement-for-briggs-stratton-391569s","provider":"PatioZora","version":"1.0","type":"link"}