{"product_id":"briggs-stratton-air-filter-precleaner-kit-5428k-oem-paper-element-foam-precleaner-direct-fit","title":"Briggs \u0026 Stratton air filter \u0026 precleaner kit 5428K — OEM paper element + foam precleaner, direct-fit","description":"\u003cp\u003e\u003cstrong\u003eThe Briggs \u0026amp; Stratton 5428K is an OEM air filter and precleaner kit that fits specified small-engine lawn mowers to help stop dust and debris from reaching the engine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis genuine Briggs \u0026amp; Stratton replacement set is built to the manufacturer's specifications, offering a direct-fit option for compatible engines. It includes both the main filter element and a precleaner to extend filter life and maintain airflow. Before buying, confirm your engine model or replacement part number to ensure proper fit: compatible engines include 31R875, 31R877, 31R907, 31R977, 40N877, 40R677, 44R877, and 49J677.\u003c\/p\u003e\n\n\u003ch3\u003eWhat components come in the 5428K kit and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThe 5428K package contains the primary paper filter element plus a foam precleaner. Together they create a two-stage defense: the precleaner captures larger particles and the main filter traps finer dust, which helps preserve engine parts and maintain consistent airflow. Using both parts as intended can lengthen intervals between full filter replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePaper element sized to OEM dimensions for consistent sealing\u003c\/li\u003e\n  \u003cli\u003eFoam precleaner that reduces heavy-dust buildup on the main filter\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design for straightforward installation without modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know if the 5428K fits my mower engine?\u003c\/h3\u003e\n\u003cp\u003eCheck the engine model number stamped on your engine housing or your mower’s owner manual and compare it to the list of compatible engines. You can also match the old filter's part number to the replacement part numbers shown for this kit. If your engine model or part number appears in the compatibility list, the 5428K is the correct OEM replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLocate your engine model on the mower housing or manual\u003c\/li\u003e\n  \u003cli\u003eCompare with: 31R875, 31R877, 31R907, 31R977, 40N877, 40R677, 44R877, 49J677\u003c\/li\u003e\n  \u003cli\u003eMatch the prior replacement part number when possible for confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain the air filter and precleaner?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically simple and requires no tools beyond basic hand access: remove the air cleaner cover, take out the old parts, and seat the new precleaner over the paper element or housing as designed. Inspect the filter regularly, especially after dusty work; replace the paper element when it’s dark with dirt or damaged, and clean or replace the foam precleaner if it’s clogged or torn.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove cover and existing filter; discard old parts properly\u003c\/li\u003e\n  \u003cli\u003eFit foam precleaner and paper element in correct orientation\u003c\/li\u003e\n  \u003cli\u003eReinstall cover and check for secure seal to prevent unfiltered air entry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter improve engine performance and longevity?\u003c\/h3\u003e\n\u003cp\u003eWhile no single part guarantees outcomes, using the correct OEM air filter and precleaner helps maintain designed airflow and reduce abrasive particles entering the engine. Consistent filtration supports steady combustion, reduces wear on internal components, and helps equipment run closer to factory specifications over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps maintain consistent air supply for efficient combustion\u003c\/li\u003e\n  \u003cli\u003eReduces abrasive dust reaching cylinders and valve components\u003c\/li\u003e\n  \u003cli\u003eOEM fit minimizes intake leaks that can affect engine operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Briggs \u0026amp; Stratton 5428K is intended for homeowners and landscapers who own lawn mowers or equipment with the compatible Briggs \u0026amp; Stratton engine models and who want a genuine OEM replacement. It’s useful for routine seasonal maintenance or as a spare on-hand part for those who perform their own small-engine upkeep.\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: Which engine models does the 5428K fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits listed Briggs \u0026amp; Stratton engines: 31R875, 31R877, 31R907, 31R977, 40N877, 40R677, 44R877, 49J677.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the filter and precleaner?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Inspect each season or after heavy dusty use; replace the paper element when dirty and foam if clogged or damaged.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Briggs \u0026 Stratton","offers":[{"title":"Default Title","offer_id":54194526093496,"sku":"B0079GRGRS","price":60.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0636\/7416\/files\/briggs-stratton-5428k-front-view.jpg?v=1790576889","url":"https:\/\/canadianlawn.ca\/products\/briggs-stratton-air-filter-precleaner-kit-5428k-oem-paper-element-foam-precleaner-direct-fit","provider":"Canadian Lawn","version":"1.0","type":"link"}