{"product_id":"uniflasy-cast-iron-grill-grates-for-weber-genesis-ii-300-series-18-75-x-13-25-pair-improved-heat-retention-sear","title":"Uniflasy Cast Iron Grill Grates for Weber Genesis II 300 Series — 18.75\" x 13.25\" Pair, Improved Heat Retention \u0026 Sear","description":"\u003cp\u003e\u003cstrong\u003eThese two 18.75\" x 13.25\" cast iron cooking grates replace worn grates in select Weber Genesis II 300 and LX 300 series models, restoring heat retention and classic sear marks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Weber Genesis II 300-series grill is showing rust, uneven cooking, or missing grate pieces, replacing the cooking surface can revive performance without buying a new grill. Uniflasy engineered these cast iron grates to match the sizing and mounting points of many Genesis II E-310 and related models, offering even heat distribution, improved searing, and a flatter top that supports smaller foods.\u003c\/p\u003e\n\n\u003ch3\u003eWill these grates fit my Weber Genesis II 300 series?\u003c\/h3\u003e\n\u003cp\u003eThese grates are designed to be compatible with many Genesis II 300 and LX 300 Series models. Before ordering, measure your existing grates and confirm your grill model on the nameplate to ensure correct fit and placement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEach grate measures 18.75\" x 13.25\"; total cooking area 18.75\" x 26.5\".\u003c\/li\u003e\n  \u003cli\u003eFits select Weber Genesis II E\/S\/SE-310, E\/S-315, E\/S-325 and various LX 300 variants.\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for part numbers 66095, 66802 and 66805 on supported models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these cast iron grates affect cooking performance?\u003c\/h3\u003e\n\u003cp\u003eCast iron holds and distributes heat more steadily than thin steel, which helps create pronounced sear marks and consistent browning. The flatter top profile and tighter spacing give more support for smaller items and encourage even contact across the cooking surface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves heat retention for steaks, burgers and vegetables.\u003c\/li\u003e\n  \u003cli\u003eCreates visible sear marks during regular grilling.\u003c\/li\u003e\n  \u003cli\u003eFlatter top prevents smaller foods from falling through the grates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance do cast iron grates need?\u003c\/h3\u003e\n\u003cp\u003eCast iron requires routine care to prevent rust and keep the surface nonstick. Simple seasoning and cleaning habits will lengthen the life of the grates and maintain reliable cooking results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLightly oil grates before and after each cook to preserve seasoning.\u003c\/li\u003e\n  \u003cli\u003eAllow grates to cool before cleaning; dry thoroughly after washing.\u003c\/li\u003e\n  \u003cli\u003eKeep the grill covered when not in use to reduce exposure to moisture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy replace the grates instead of buying a new grill?\u003c\/h3\u003e\n\u003cp\u003eReplacing only the cooking grates is a cost-effective way to restore grilling performance when the burner system and body are still in good condition. New cast iron grates refresh the cooking surface, improve heat delivery and maintain the grill’s original footprint.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRefreshes an aging cooking surface without full grill replacement.\u003c\/li\u003e\n  \u003cli\u003eTighter grate spacing improves versatility for everyday grilling.\u003c\/li\u003e\n  \u003cli\u003eKeeps original grill features and dimensions intact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Home grillers who own a compatible Weber Genesis II 300 or LX 300 series model and want to restore searing performance, support smaller foods better, and extend the life of their grill without replacing the entire unit. These grates are also a practical option for anyone replacing old, rusty, or warped cooking grates and seeking the heat retention and classic sear that cast iron delivers.\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: Are these grates compatible with Weber Genesis II E-310 grills?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they fit many Genesis II 300 and LX 300 models including several E-310 variants, but confirm your grill model and measure existing grates first.\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: Lightly oil before and after grilling, cool before cleaning, dry completely, and reapply oil to maintain seasoning and prevent rust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Uniflasy","offers":[{"title":"Default Title","offer_id":56823084908884,"sku":"B0FLPDJLHJ","price":100.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/uniflasy-grates-front-view.jpg?v=1786975735","url":"https:\/\/gardenluxe.co.uk\/products\/uniflasy-cast-iron-grill-grates-for-weber-genesis-ii-300-series-18-75-x-13-25-pair-improved-heat-retention-sear","provider":"Gardenluxe Uk","version":"1.0","type":"link"}