{"product_id":"uniflasy-19-5in-grill-grates-for-weber-genesis-300-series-heavy-duty","title":"Uniflasy 19.5in Grill Grates for Weber Genesis 300 Series - Heavy-Duty","description":"\u003cp\u003eIn this review the Uniflasy 19.5in grill grates are judged as a budget-friendly, heavy-duty replacement for older Weber Genesis 300 series grills. The bottom line: these cast iron grates fit the Genesis E-310\/E-320\/E-330 and S\/EP 300 models and deliver strong heat retention and searing performance, making them a practical choice for owners who need a durable cooking surface without paying dealer prices. The review focuses on fit, material quality, and everyday cooking performance.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact fit:\u003c\/strong\u003e Designed to replace Weber Genesis 300 series grates, these fit models like E-310, E-320, E-330 and compatible S and EP variants for a straightforward swap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable cast iron:\u003c\/strong\u003e Made from solid matte enamel cast iron for strength and a heavy feel, which helps resist bending and delivers long-term service when maintained.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh heat retention:\u003c\/strong\u003e The cast iron construction holds heat well, producing strong sear marks and even cooking across the surface for steaks, seafood, and vegetables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact dimensions:\u003c\/strong\u003e Each grate measures 19.5in x 12.9in x 0.5in so the pair covers the full cooking area expected for Genesis 300 series units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEconomical replacement:\u003c\/strong\u003e These grates replace Weber part numbers 7524 and 7528, offering a lower-cost alternative to OEM parts while maintaining core performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese grates are best for owners of Weber Genesis 300 series grills made between 2007 and 2016 who need a direct-fit replacement that restores searing capability and surface heat retention. Grillers who prioritize strong sear marks and a sturdy, long-lasting cooking surface will appreciate the cast iron construction and the measured dimensions that match their original grates.\u003c\/p\u003e\n\u003cp\u003eCustomers who have newer Genesis II 300 or Genesis II LX 300 models should look elsewhere, as these grates do not fit those series. Also, buyers who want a maintenance-free porcelain surface may prefer a different finish, since cast iron benefits from regular oiling and care to prevent rust.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid cast iron build delivers excellent heat retention and professional sear marks.\u003c\/li\u003e\n\u003cli\u003eDirect compatibility with many Genesis 300 models makes installation simple and reliable.\u003c\/li\u003e\n\u003cli\u003eMeasured sizing and matte enamel finish provide an economical replacement for OEM parts 7524 and 7528.\u003c\/li\u003e\n\u003cli\u003eRelatively easy to clean and maintain when oiled and cared for after use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCast iron requires routine oiling and proper storage to avoid rust, and some users report corrosion within a year if not maintained.\u003c\/li\u003e\n\u003cli\u003eNot compatible with Genesis II 300 or Genesis II LX 300 series, so fit must be confirmed before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eUniflasy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit\u003c\/td\u003e\n\u003ctd\u003eWeber Genesis 300 Series (E-310\/E-320\/E-330, S-\/EP-310\/320\/330)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eMatte enamel cast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEach grate size\u003c\/td\u003e\n\u003ctd\u003e19.5in x 12.9in x 0.5in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet size (two grates)\u003c\/td\u003e\n\u003ctd\u003e19.5in x 25.8in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces part numbers\u003c\/td\u003e\n\u003ctd\u003eWeber 7524, 7528\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone with a compatible Genesis 300 grill seeking stronger searing and a robust cooking surface at a lower cost than dealer parts, these Uniflasy cast iron grates are a sensible buy. They deliver the heat retention and build quality expected from cast iron, but buyers should commit to regular oiling and care to prevent rust and maximize lifespan.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo these grates fit my Genesis 300 model?\u003c\/strong\u003e\u003cbr\u003eThey are designed for Genesis 300 series models including E-310, E-320, E-330 and S\/EP 310-330 produced around 2007-2016; they do not fit Genesis II 300 or Genesis II LX 300.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maintenance do cast iron grates need?\u003c\/strong\u003e\u003cbr\u003eOiling before and after use and thorough drying after cleaning helps prevent rust and preserves the matte enamel finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these OEM parts?\u003c\/strong\u003e\u003cbr\u003eThey replace Weber part numbers 7524 and 7528 as a compatible aftermarket alternative that restores function at a lower price.\u003c\/p\u003e","brand":"Uniflasy","offers":[{"title":"Default Title","offer_id":48625197842651,"sku":"B07SPY4QXT","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71boWunHiML._AC_SL1500.jpg?v=1778507336","url":"https:\/\/gearmusthave.com\/products\/uniflasy-19-5in-grill-grates-for-weber-genesis-300-series-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}