{"product_id":"briggs-stratton-air-filter-821136-filter-ac","title":"Briggs \u0026 Stratton Air Filter 821136 – OEM Engine Air Cleaner","description":"\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 800px; margin: 0 auto; color: #1a2332;\"\u003e\n\n  \u003c!-- HERO BANNER --\u003e\n  \u003cdiv style=\"background: #cc0000; border-radius: 8px; padding: 30px; display: flex; align-items: center; gap: 24px; margin-bottom: 16px;\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0245\/2416\/1070\/files\/briggs_logo.jpg?v=1777134228\" alt=\"Briggs and Stratton Logo\" style=\"max-height: 80px; max-width: 200px; object-fit: contain; background: white; border-radius: 4px; padding: 6px;\"\u003e\n    \u003cdiv style=\"color: #ffffff; font-size: 24px; font-weight: 700; line-height: 1.3;\"\u003eOEM Air Filter — Part #821136\u003cbr\u003e\u003cspan style=\"font-size: 15px; font-weight: 400; opacity: 0.9;\"\u003eGenuine Engine Air Cleaner Replacement\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- PRODUCT HEADLINE --\u003e\n  \u003cdiv style=\"background: #ffffff; padding: 24px; border-radius: 8px; text-align: center; margin-bottom: 16px;\"\u003e\n    \u003cdiv style=\"font-size: 24px; font-weight: 700; color: #1a2332;\"\u003eBriggs \u0026amp; Stratton 821136 — Air Filter \/ Air Cleaner\u003c\/div\u003e\n    \u003cdiv style=\"font-size: 15px; color: #6b7280; margin-top: 8px;\"\u003eAlso known as: Engine Air Cleaner, Filter-A\/C, Small Engine Air Filter\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SHIPPING CALLOUT --\u003e\n  \u003cdiv style=\"background: #16a34a; color: #ffffff; font-weight: 700; font-size: 15px; text-align: center; padding: 14px; border-radius: 6px; margin-bottom: 16px;\"\u003e🚚 Orders Before 2PM Ship Same Day!\u003c\/div\u003e\n\n  \u003c!-- TRUST SIGNAL ROW --\u003e\n  \u003cdiv style=\"background: #f9fafb; color: #1a2332; font-weight: 700; font-size: 14px; text-align: center; padding: 16px; border-radius: 6px; letter-spacing: 1px; margin-bottom: 16px;\"\u003eGENUINE OEM   ·   SAME-DAY SHIP   ·   EXPERT SUPPORT\u003c\/div\u003e\n\n  \u003c!-- SPECIFICATIONS --\u003e\n  \u003cdiv style=\"background: #f0fdfa; padding: 20px; border-radius: 8px; margin-bottom: 16px;\"\u003e\n    \u003cdiv style=\"font-size: 18px; font-weight: 700; color: #1a2332; border-bottom: 3px solid #cc0000; padding-bottom: 8px; margin-bottom: 16px;\"\u003eSpecifications\u003c\/div\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; background: #ffffff; border-radius: 6px; overflow: hidden; font-size: 14px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background: #1a2332; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 12px 16px; text-align: left; font-weight: 700; border: 1px solid #e5e7eb;\"\u003eSpecification\u003c\/th\u003e\n          \u003cth style=\"padding: 12px 16px; text-align: left; font-weight: 700; border: 1px solid #e5e7eb;\"\u003eDetail\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background: #ffffff;\"\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb; font-weight: 600;\"\u003ePart Number\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb;\"\u003e821136\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f9fafb;\"\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb; font-weight: 600;\"\u003eBrand\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb;\"\u003eBriggs \u0026amp; Stratton\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #ffffff;\"\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb; font-weight: 600;\"\u003ePart Type\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb;\"\u003eAir Filter \/ Air Cleaner (Filter-A\/C)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f9fafb;\"\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb; font-weight: 600;\"\u003eOEM \/ Aftermarket\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb;\"\u003eGenuine OEM\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #ffffff;\"\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb; font-weight: 600;\"\u003eApplication\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb;\"\u003eBriggs \u0026amp; Stratton Small Engines\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background: #f9fafb;\"\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb; font-weight: 600;\"\u003eQuantity\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px 16px; border: 1px solid #e5e7eb;\"\u003e1 per package\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- INTRO PARAGRAPH --\u003e\n  \u003cdiv style=\"background: #fffbeb; padding: 20px; border-radius: 8px; margin-bottom: 16px; font-size: 15px; line-height: 1.7; color: #1a2332;\"\u003e\n    The \u003cstrong style=\"color: #cc0000;\"\u003eBriggs \u0026amp; Stratton 821136\u003c\/strong\u003e is a genuine OEM air filter — also referred to as an air cleaner, Filter-A\/C, or engine air cleaner element — designed to remove airborne dust, debris, and contaminants before they reach the carburetor and internal engine components. This filter is used in a range of \u003cstrong style=\"color: #cc0000;\"\u003eBriggs \u0026amp; Stratton\u003c\/strong\u003e powered equipment including walk-behind lawn mowers, riding mowers, and outdoor power tools. Regular replacement of the 821136 air filter is essential for maintaining proper air-fuel mixture, fuel efficiency, and engine longevity.\n  \u003c\/div\u003e\n\n  \u003c!-- ACCORDION 1: KEY FEATURES --\u003e\n  \u003cdetails style=\"background: white; border: 1px solid #e5e7eb; border-radius: 8px; margin-bottom: 12px; overflow: hidden;\"\u003e\n    \u003csummary style=\"cursor: pointer; padding: 16px 20px; background: #f9fafb; font-weight: 700; font-size: 16px; color: #1a2332; list-style: none; display: flex; justify-content: space-between; align-items: center; border-left: 4px solid #cc0000;\"\u003eKey Features\u003cspan style=\"font-size: 14px; color: #6b7280;\"\u003e▼\u003c\/span\u003e\u003c\/summary\u003e\n    \u003cdiv style=\"padding: 20px; background: #f1f5f9;\"\u003e\n      \u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 16px;\"\u003e\n        \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 20px; border-top: 4px solid #cc0000;\"\u003e\n          \u003cdiv style=\"font-weight: 700; font-size: 15px; color: #1a2332; margin-bottom: 8px;\"\u003eGenuine OEM Briggs \u0026amp; Stratton Part\u003c\/div\u003e\n          \u003cdiv style=\"font-size: 14px; color: #374151; line-height: 1.6;\"\u003ePart number 821136 is a factory-original Briggs \u0026amp; Stratton air filter, manufactured to exact OEM tolerances. Using genuine parts ensures correct fitment and avoids compatibility issues that can arise with aftermarket alternatives.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 20px; border-top: 4px solid #cc0000;\"\u003e\n          \u003cdiv style=\"font-weight: 700; font-size: 15px; color: #1a2332; margin-bottom: 8px;\"\u003eSmall Engine Air Filtration and Protection\u003c\/div\u003e\n          \u003cdiv style=\"font-size: 14px; color: #374151; line-height: 1.6;\"\u003eThe 821136 filter captures dust, grass clippings, and fine particulates before they enter the carburetor. This protects internal engine surfaces and maintains consistent airflow for a clean air-fuel mixture and reliable starting.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 20px; border-top: 4px solid #cc0000;\"\u003e\n          \u003cdiv style=\"font-weight: 700; font-size: 15px; color: #1a2332; margin-bottom: 8px;\"\u003eCross-Reference and OEM Part Lookup\u003c\/div\u003e\n          \u003cdiv style=\"font-size: 14px; color: #374151; line-height: 1.6;\"\u003eThis listing is for the genuine Briggs \u0026amp; Stratton replacement air filter 821136. Always verify your engine model number before ordering to confirm compatibility. This part may also be referenced as Filter-A\/C or air cleaner element in service manuals.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 20px; border-top: 4px solid #cc0000;\"\u003e\n          \u003cdiv style=\"font-weight: 700; font-size: 15px; color: #1a2332; margin-bottom: 8px;\"\u003eLawn Mower and Outdoor Power Equipment Fitment\u003c\/div\u003e\n          \u003cdiv style=\"font-size: 14px; color: #374151; line-height: 1.6;\"\u003eDesigned for use in Briggs \u0026amp; Stratton powered outdoor power equipment, including walk-behind and riding mowers. Replacing air filter 821136 at the recommended service interval helps extend engine life and improve fuel economy.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- ACCORDION 2: COMPATIBLE EQUIPMENT --\u003e\n  \u003cdetails style=\"background: white; border: 1px solid #e5e7eb; border-radius: 8px; margin-bottom: 12px; overflow: hidden;\"\u003e\n    \u003csummary style=\"cursor: pointer; padding: 16px 20px; background: #f9fafb; font-weight: 700; font-size: 16px; color: #1a2332; list-style: none; display: flex; justify-content: space-between; align-items: center; border-left: 4px solid #cc0000;\"\u003eCompatible Equipment\u003cspan style=\"font-size: 14px; color: #6b7280;\"\u003e▼\u003c\/span\u003e\u003c\/summary\u003e\n    \u003cdiv style=\"padding: 20px;\"\u003e\n      \u003cp style=\"font-size: 15px; color: #374151; margin-bottom: 12px;\"\u003eThe Briggs \u0026amp; Stratton 821136 air filter is designed to fit select Briggs \u0026amp; Stratton small engines found in a variety of outdoor power equipment. Always confirm your engine model and type before installation to ensure the 821136 is the correct filter for your application.\u003c\/p\u003e\n      \u003cp style=\"font-size: 15px; color: #374151; margin-bottom: 12px;\"\u003eEquipment powered by compatible Briggs \u0026amp; Stratton engine series — including walk-behind lawn mowers, push mowers, riding mowers, and other outdoor power tools — may use the 821136 air cleaner filter. Verify your engine's service parts list for part number 821136 confirmation.\u003c\/p\u003e\n      \u003cul style=\"font-size: 14px; color: #374151; line-height: 2; padding-left: 20px;\"\u003e\n        \u003cli\u003eBriggs \u0026amp; Stratton powered walk-behind lawn mowers\u003c\/li\u003e\n        \u003cli\u003eBriggs \u0026amp; Stratton powered push mowers\u003c\/li\u003e\n        \u003cli\u003eBriggs \u0026amp; Stratton powered riding lawn mowers\u003c\/li\u003e\n        \u003cli\u003eSelect Briggs \u0026amp; Stratton small engine applications\u003c\/li\u003e\n        \u003cli\u003eOutdoor power equipment with compatible Briggs \u0026amp; Stratton engine series\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- ACCORDION 3: COMMON QUESTIONS --\u003e\n  \u003cdetails style=\"background: white; border: 1px solid #e5e7eb; border-radius: 8px; margin-bottom: 12px; overflow: hidden;\"\u003e\n    \u003csummary style=\"cursor: pointer; padding: 16px 20px; background: #f9fafb; font-weight: 700; font-size: 16px; color: #1a2332; list-style: none; display: flex; justify-content: space-between; align-items: center; border-left: 4px solid #cc0000;\"\u003eCommon Questions\u003cspan style=\"font-size: 14px; color: #6b7280;\"\u003e▼\u003c\/span\u003e\u003c\/summary\u003e\n    \u003cdiv style=\"padding: 20px;\"\u003e\n      \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; margin-bottom: 12px;\"\u003e\n        \u003cdiv style=\"font-size: 15px; font-weight: 700; color: #1a2332;\"\u003eQ: What does Briggs \u0026amp; Stratton part 821136 fit?\u003c\/div\u003e\n        \u003cdiv style=\"font-size: 14px; color: #6b7280; margin-top: 6px; line-height: 1.6;\"\u003eA: The 821136 is a Briggs \u0026amp; Stratton OEM air filter designed for compatible small engines used in lawn mowers and other outdoor power equipment. We recommend confirming your specific engine model number against the Briggs \u0026amp; Stratton parts lookup to verify fitment before ordering.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; margin-bottom: 12px;\"\u003e\n        \u003cdiv style=\"font-size: 15px; font-weight: 700; color: #1a2332;\"\u003eQ: How often should I replace the Briggs \u0026amp; Stratton 821136 air filter?\u003c\/div\u003e\n        \u003cdiv style=\"font-size: 14px; color: #6b7280; margin-top: 6px; line-height: 1.6;\"\u003eA: Briggs \u0026amp; Stratton generally recommends inspecting the air filter every 25 hours of operation and replacing it every season or every 100 hours, whichever comes first. Operating in dusty or dirty conditions may require more frequent replacement of the 821136 air cleaner.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; margin-bottom: 12px;\"\u003e\n        \u003cdiv style=\"font-size: 15px; font-weight: 700; color: #1a2332;\"\u003eQ: Is the 821136 a genuine OEM Briggs \u0026amp; Stratton air cleaner or aftermarket?\u003c\/div\u003e\n        \u003cdiv style=\"font-size: 14px; color: #6b7280; margin-top: 6px; line-height: 1.6;\"\u003eA: This listing is for the genuine OEM Briggs \u0026amp; Stratton 821136 air filter, manufactured to original factory specifications. Genuine OEM parts provide the best assurance of correct fitment, filtration performance, and engine protection compared to aftermarket alternatives.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; margin-bottom: 12px;\"\u003e\n        \u003cdiv style=\"font-size: 15px; font-weight: 700; color: #1a2332;\"\u003eQ: What are the symptoms of a clogged or dirty lawn mower air filter?\u003c\/div\u003e\n        \u003cdiv style=\"font-size: 14px; color: #6b7280; margin-top: 6px; line-height: 1.6;\"\u003eA: Common signs of a dirty or failing air filter include hard starting, rough idling, reduced engine power, excessive fuel consumption, and black smoke from the exhaust. Replacing the Briggs \u0026amp; Stratton 821136 air filter at the recommended interval helps prevent these issues.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- CLOSING TRUST BAR --\u003e\n  \u003cdiv style=\"background: #1a2332; color: #ffffff; padding: 18px; border-radius: 6px; text-align: center; margin-top: 16px;\"\u003e\n    \u003cdiv style=\"font-weight: 700; font-size: 16px; letter-spacing: 1px;\"\u003eGenuine OEM Quality   ·   Same-Day Shipping   ·   Expert Support\u003c\/div\u003e\n    \u003cdiv style=\"font-size: 15px; margin-top: 6px; opacity: 0.9;\"\u003eOrder your Briggs \u0026amp; Stratton 821136 air filter with confidence from an authorized OEM parts supplier.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Briggs \u0026 Stratton","offers":[{"title":"Default Title","offer_id":42335886737454,"sku":null,"price":31.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0245\/2416\/1070\/files\/Briggs_and_Stratton_821136_OEM_air_filter_for_small_engine_maintenance_and_protection.jpg?v=1778340133","url":"https:\/\/www.peachcountrytractor.com\/products\/briggs-stratton-air-filter-821136-filter-ac","provider":"Peach Country Tractor","version":"1.0","type":"link"}