{"product_id":"uniflasy-19-5-cast-iron-cooking-grates-for-weber-genesis-300-series-matte-enamel-direct-fit-replacement","title":"Uniflasy 19.5\" Cast-Iron Cooking Grates for Weber Genesis 300 Series — Matte Enamel, Direct-Fit Replacement","description":"\u003cp\u003e\u003cstrong\u003eUniflasy replacement 19.5\" cast-iron cooking grates are a direct-fit upgrade for Weber Genesis 300 Series grills (2007–2016), delivering durable heat retention and restaurant-style searing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese cast-iron grates from Uniflasy are manufactured to match the original fit and function for Weber Genesis 300 models such as E-310, E-320, E-330, S-310, S-320, S-330 and EP variants, replacing factory part numbers like 7524 and 7528. Built from matte enamel cast iron, the pair provides a heavy-duty cooking surface that holds heat, creates pronounced sear marks, and simplifies cleanup when oiled properly. They are not compatible with Genesis II 300 or Genesis II LX 300 series—check your grill model year and series before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eHow well do these grates perform for searing and heat retention?\u003c\/h3\u003e\n\u003cp\u003eCast iron is prized for absorbing and holding high temperatures, so these grates ramp up searing performance and help maintain consistent cooking zones across the grill. That leads to better crust formation on steaks and even browning on vegetables.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThick matte enamel cast iron for steady heat storage\u003c\/li\u003e\n  \u003cli\u003eCreates distinct sear marks for professional-looking results\u003c\/li\u003e\n  \u003cli\u003eReduced hot\/cold spots compared with thin wire grates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my Weber Genesis 300 Series grill?\u003c\/h3\u003e\n\u003cp\u003eUniflasy designed these grates specifically to replace original Genesis 300 Series cooking grates from model years 2007–2016, matching OEM dimensions for a snug fit. They directly substitute part numbers like 7524 and 7528, but they will not fit Genesis II 300 or Genesis II LX 300 models.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact measurements: each grate 19.5\" x 12.9\" x 0.5\"; set totals 19.5\" x 25.8\"\u003c\/li\u003e\n  \u003cli\u003eCompatible: E-310, E-320, E-330, S-310, S-320, S-330, EP-310\/320\/330\u003c\/li\u003e\n  \u003cli\u003eNot compatible: Genesis II 300 or Genesis II LX 300 series\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I clean and maintain these cast-iron grates?\u003c\/h3\u003e\n\u003cp\u003eRoutine care is simple: heat-burn residues off after grilling, brush lightly, and apply a thin coat of oil to prevent rust and preserve the enamel finish. Regular oiling before and after use keeps food release better and extends service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePreheat and burn off debris, then use a grill brush for residue\u003c\/li\u003e\n  \u003cli\u003eWipe dry and apply cooking oil after each cleaning\u003c\/li\u003e\n  \u003cli\u003eAvoid soaking in water long-term or using harsh abrasives on the enamel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these grates durable enough to replace original Weber parts?\u003c\/h3\u003e\n\u003cp\u003eYes — the matte enamel cast iron construction offers robust strength and resistance to everyday wear compared with thin, porcelain-coated options that can chip. When maintained properly, these grates are intended to provide long-lasting performance and consistent cooking results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-duty cast iron reduces bending and warping\u003c\/li\u003e\n  \u003cli\u003eEnamel finish protects against surface corrosion when oiled\u003c\/li\u003e\n  \u003cli\u003eDesigned as a cost-effective aftermarket alternative to OEM grates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Grill owners with Weber Genesis 300 Series models from 2007–2016 who want a sturdy, heat-holding grate that improves searing and lifespan without paying OEM prices. These Uniflasy grates suit backyard chefs who regularly grill meats and vegetables and who will perform basic upkeep like oiling and routine cleaning. If you have a Genesis II 300 or Genesis II LX 300, these will not fit—confirm your model before purchase.\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: Do these grates fit my Weber Genesis E-310?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They are direct replacements for Weber Genesis 300 Series E-310 models (2007–2016) and match part numbers like 7524\/7528.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I clean and season these cast-iron grates?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Burn off residue, brush lightly, dry thoroughly, then apply a thin coat of cooking oil before and after use to prevent rust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Uniflasy","offers":[{"title":"Default Title","offer_id":56835508142420,"sku":"B07SPY4QXT","price":123.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/uniflasy-front-packaging-weber-genesis-300-grates.jpg?v=1787057357","url":"https:\/\/gardenluxe.co.uk\/products\/uniflasy-19-5-cast-iron-cooking-grates-for-weber-genesis-300-series-matte-enamel-direct-fit-replacement","provider":"Gardenluxe Uk","version":"1.0","type":"link"}