{"product_id":"yerbay-394018-air-filter-for-b-s-12-5-21-hp-vanguard-engines-pre-cleaner-replacement","title":"Yerbay 394018 Air Filter for B\u0026S 12.5–21 HP Vanguard Engines – Pre Cleaner Replacement","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eYerbay 394018 air filter is a practical replacement for Briggs \u0026amp; Stratton OEM parts and spans a broad family of Vanguard engines in the 12.5–21 HP range. It includes a pre-cleaner to help capture dust at the source, reducing debris entering the main filter. While not an original Briggs \u0026amp; Stratton part, it is designed to fit the same intake housing and function as a cost-effective option for routine maintenance and part replacements.\u003c\/p\u003e\u003cp\u003eChoosing a replacement filter with a pre-cleaner supports stable airflow, which can help the engine breathe more efficiently in dusty conditions. The metal mesh protection adds durability for outdoor mowing, while the overall design seeks to balance filtration precision with long-term use for everyday lawn care.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplaces OEM 394018 family and related numbers for Briggs \u0026amp; Stratton, John Deere, Toro, and Craftsman equipment\u003c\/li\u003e\n\u003cli\u003eIntegrated pre-filter enhances debris capture before air reaches the main filter\u003c\/li\u003e\n\u003cli\u003eDesigned for horizontal and V-twin Vanguard OHV configurations in 12.5–21 HP ranges\u003c\/li\u003e\n\u003cli\u003eHigh filtration accuracy with a protective metal mesh to extend service life and maintain air flow\u003c\/li\u003e\n\u003cli\u003e1-year after-sales protection and responsive support from Yerbay\u003c\/li\u003e\n\u003cli\u003eNote: Not manufactured or authorized by Briggs \u0026amp; Stratton Corporation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world use and benefits\u003c\/h3\u003e\u003cp\u003eIn everyday lawn and landscape maintenance, clean air intake supports smoother operation and reduces exposure to dust. The pre-cleaner helps keep engines freer of dust during mowing in dusty lots or windy days. Pair with the main filter for enhanced filtration in challenging environments, while maintaining straightforward maintenance routines.\u003c\/p\u003e\u003ch3\u003eCompatibility at a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBriggs \u0026amp; Stratton 394018 family (394018, 394018S, 392642, 5050H, 5050B, 4135)\u003c\/li\u003e\n\u003cli\u003eJohn Deere LG394018JD, Toro 21530000, Craftsman 24150\u003c\/li\u003e\n\u003cli\u003eVanguard OHV 12.5–21 HP horizontal or V-twin configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQuality and service you can rely on\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh filtration accuracy and high filtration efficiency\u003c\/li\u003e\n\u003cli\u003eMetal mesh protection to extend life and maintain airflow\u003c\/li\u003e\n\u003cli\u003eEasy replacement with standard air box in compatible engines\u003c\/li\u003e\n\u003cli\u003e1-year protection and responsive after-sales support\u003c\/li\u003e\n\u003c\/ul\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 engines and models does the Yerbay 394018 air filter fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It replaces OEM 394018 family parts for Briggs \u0026amp; Stratton and covers Vanguard 12.5–21 HP engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What practical benefits can I expect from using this air filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possible benefits include cleaner intake air, smoother starts in dusty conditions, and extended component life thanks to improved airflow; actual results vary.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Yerbay","offers":[{"title":"Default Title","offer_id":45740279496890,"sku":"B08TMDRGVW","price":42.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/yerbay-394018-air-filter-main-compatibility.jpg?v=1774773709","url":"https:\/\/gardencanada.ca\/products\/yerbay-394018-air-filter-for-b-s-12-5-21-hp-vanguard-engines-pre-cleaner-replacement","provider":"Garden Canada","version":"1.0","type":"link"}