{"product_id":"air-filter-593260-798452-compatible-with-500ex-550ex-725exi-4-pack","title":"Air Filter 593260 798452 Compatible with 500EX 550EX 725EXI - 4 Pack","description":"\u003cp\u003eIn this review the focus is on a practical replacement part: a 4-pack of air filters branded HQBC and listed as suitable for a wide range of small engines and lawn mower models. The bottom line: this kit is for anyone who needs an affordable, paper-element replacement for routine maintenance on compatible 500 and 600 series engines, and the single biggest reason to buy is the convenience of four ready-to-install filters that match common OEM types. For homeowners and landscapers who service their own equipment, these filters simplify upkeep without requiring precise cross-referencing of obscure part codes.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-pack convenience:\u003c\/strong\u003e Supplying four filters at once reduces downtime and means multiple seasonal changes can be handled without reordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad engine compatibility:\u003c\/strong\u003e Designed to fit many 500, 550, 625, 675 and 725 series engines, which makes it suitable for mixed fleets of mowers and small engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePaper filter element:\u003c\/strong\u003e Uses a replaceable filter paper media that traps dust and debris typical in lawn and garden use, protecting carburetors and engine intake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-type fit:\u003c\/strong\u003e Form and dimensions are intended to match common 334404-style air filters, helping ensure a good seal and straightforward installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEconomical replacement:\u003c\/strong\u003e Sold as a pack of four, the set offers a cost-effective option for regular maintenance intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filter pack is best for homeowners, small-scale landscapers, and anyone who performs routine maintenance on lawn mowers and engines from the 500, 550, 625, 675 and 725EX\/EXI families. It suits users who prefer to keep a few spare filters on hand for seasonal changes and who value a simple paper element that is easy to replace.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include owners of engines outside the listed compatibility group or users who need reusable foam or high-performance pleated filters; this product is a paper disposable element intended for standard maintenance rather than performance upgrades.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFour filters in one package provide immediate spares for multiple services or machines.\u003c\/li\u003e\n\u003cli\u003eCovers a wide range of common 500\/550\/625\/675\/725 series engines, reducing the need to match many different part numbers.\u003c\/li\u003e\n\u003cli\u003ePaper element delivers reliable particulate removal for normal lawn care conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePaper disposable design is not reusable and will require periodic replacement based on operating conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHQBC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003e4 Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible engines\u003c\/td\u003e\n\u003ctd\u003e500, 500E, 500EX, 550E, 550EX, 625EX, 675EXI, 725EXI, 575EX series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable engine codes\u003c\/td\u003e\n\u003ctd\u003e103M02, 104M02, 798339 and others listed as 09P702\/09P000 types\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter media\u003c\/td\u003e\n\u003ctd\u003eFilter paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter type\u003c\/td\u003e\n\u003ctd\u003e334404-style air filter replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor routine lawn mower maintenance the HQBC 4-pack is a pragmatic choice: it matches many common small engine models, uses standard paper media that works well for typical yard debris, and the multi-pack format is economical. Buy this if you need straightforward replacements and want spare parts on hand; seek a specialty or reusable filter if you need higher filtration efficiency or a washable element.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these filters fit my 725EXI engine?\u003c\/strong\u003e\u003cbr\u003eYes, the listing specifies compatibility with 725EXI series engines and related 798339 engine codes, but confirm physical fit against your old filter before final installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these reusable or washable?\u003c\/strong\u003e\u003cbr\u003eNo, these use a paper filter element intended to be replaced periodically rather than washed and reused.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many filter changes will the 4-pack cover?\u003c\/strong\u003e\u003cbr\u003eThat depends on service intervals and operating conditions, but four filters typically cover multiple seasons for a single mower or one change for several machines.\u003c\/p\u003e","brand":"HQBC","offers":[{"title":"Default Title","offer_id":48646304563419,"sku":"B0BN4YJJQX","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/613zurfsxjL.__AC_SY300_SX300_QL70_ML2.jpg?v=1778535883","url":"https:\/\/gearmusthave.com\/products\/air-filter-593260-798452-compatible-with-500ex-550ex-725exi-4-pack","provider":"GearMustHave","version":"1.0","type":"link"}