{"product_id":"utheer-7638-porcelain-enameled-cast-iron-grill-grates-for-spirit-300-17-5-x-11-9-replacement-superior-heat-retention","title":"Utheer 7638 Porcelain-Enameled Cast Iron Grill Grates for Spirit 300 — 17.5\" x 11.9\" Replacement, Superior Heat Retention","description":"\u003cp\u003e\u003cstrong\u003eThe Utheer 7638 porcelain-enameled cast iron grill grates are a direct-fit 17.5\" replacement designed to restore even heat, easy searing, and improved food release on Spirit 300 and compatible Genesis\/SmokeFire gas grills.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese replacement grates give your gas grill back its original cooking surface and grilling performance without buying a new unit. Built from heavy cast iron with a porcelain enamel finish, the 7638 grates hold and distribute heat well, reduce sticking, and create the sear marks many backyard chefs want. They’re sized to match the Spirit 300 Series and several Genesis and SmokeFire models, so you can swap out worn or rusty originals quickly.\u003c\/p\u003e\n\n\u003ch3\u003eWill these grates fit my Spirit 300 or Genesis grill?\u003c\/h3\u003e\n\n\u003cp\u003eMeasure your existing grates to confirm compatibility: each Utheer grate is 17.5\" x 11.9\", and two side-by-side produce a 17.5\" x 23.8\" cooking area. They are specifically designed for Spirit I and GS4 Spirit II 300 Series models and replace OEM parts 7638 and 7639. The pieces also match many Genesis Silver, Gold, I–IV, Platinum, and certain SmokeFire EX models, but checking your model number is recommended.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eExact individual grate size: 17.5\" x 11.9\"\u003c\/li\u003e\n  \u003cli\u003eTwo grates combined: 17.5\" x 23.8\"\u003c\/li\u003e\n  \u003cli\u003eDirect replacements for Spirit I and GS4 Spirit II 300 Series\u003c\/li\u003e\n  \u003cli\u003eCompatible with many Genesis and SmokeFire EX models — verify your grill model before buying\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does porcelain-enameled cast iron improve grilling?\u003c\/h3\u003e\n\n\u003cp\u003eThe cast iron core stores and radiates heat evenly, while the porcelain enamel coating prevents food from sticking and makes the surface easier to clean. That combination gives consistent browning and clear sear marks for steaks, burgers, and vegetables without the flare-ups associated with thinner metals. Over time, the coating also slows rusting compared with untreated cast iron left outdoors.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSuperior heat retention for steady, even cooking\u003c\/li\u003e\n  \u003cli\u003eImproved food release for cleaner flips and better sears\u003c\/li\u003e\n  \u003cli\u003ePorcelain finish simplifies post-cook cleanup\u003c\/li\u003e\n  \u003cli\u003eDurable construction reduces premature corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical benefits will I notice after swapping in these grates?\u003c\/h3\u003e\n\n\u003cp\u003eReplacing worn or warped grates restores surface flatness and heat control, which helps food cook more evenly and predictably. Expect faster recovery after opening the lid and more consistent grill marks across the cooking area. The easier food release also means less residue build-up, making maintenance and seasonal storage simpler.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMore even cooking across the full grill surface\u003c\/li\u003e\n  \u003cli\u003eSharper sear marks and better crust development\u003c\/li\u003e\n  \u003cli\u003eLower incidence of food sticking and tearing\u003c\/li\u003e\n  \u003cli\u003eEasier routine cleaning and longer grate life when maintained\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I care for porcelain-enameled cast iron grates?\u003c\/h3\u003e\n\n\u003cp\u003eRegular cleaning after each use prevents buildup and preserves the enamel. Use a grill brush suitable for porcelain finishes, scrape while the grates are warm, and avoid metal scouring pads that could chip the coating. For deeper cleaning, soak in warm soapy water and re-season lightly with a high-smoke-point oil to keep food release optimal.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBrush warm grates after cooking using a non-abrasive brush\u003c\/li\u003e\n  \u003cli\u003eSoak and hand-wash for heavy residue; avoid dishwasher\u003c\/li\u003e\n  \u003cli\u003eLightly oil before storage to protect enamel and reduce sticking\u003c\/li\u003e\n  \u003cli\u003eInspect periodically for chips or significant wear and replace if coating is compromised\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Utheer 7638 grates are ideal for grill owners who need a direct, cost-effective replacement for Spirit 300 Series grates or compatible Genesis\/SmokeFire models. They suit home cooks who prioritize even heat, strong sear marks, and simpler cleanup, and anyone restoring a used or weathered gas grill to reliable performance without replacing the whole appliance.\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 Spirit 300 Series grills?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Each Utheer grate measures 17.5\" x 11.9\" and replaces OEM 7638\/7639 for Spirit I and GS4 Spirit II 300 Series models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I clean them in a dishwasher?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Hand-wash with warm soapy water or brush while warm; avoid the dishwasher to protect the enamel.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Utheer","offers":[{"title":"Default Title","offer_id":56828266283348,"sku":"B07SDP58FX","price":91.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/utheer-7638-front-packaging-view.jpg?v=1786995494","url":"https:\/\/gardenluxe.co.uk\/products\/utheer-7638-porcelain-enameled-cast-iron-grill-grates-for-spirit-300-17-5-x-11-9-replacement-superior-heat-retention","provider":"Gardenluxe Uk","version":"1.0","type":"link"}