{"product_id":"petkao-gs4-spirit-ii-300-replacement-kit-5-porcelain-flavorizer-bars-2-cast-iron-grates-4-burners-2013-2017-spirit-ii-e310-s","title":"PETKAO GS4 Spirit II 300 Replacement Kit — 5 Porcelain Flavorizer Bars, 2 Cast-Iron Grates \u0026 4 Burners (2013–2017 Spirit II\/E310 S","description":"\u003cp\u003e\u003cstrong\u003eComplete replacement kit for Weber Spirit II\/Spirit 300 series: five porcelain-enameled flavorizer bars, two matte cast-iron grates, and three main burners plus one crossover burner sized for GS4 Spirit II 300 grills.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen your Weber Spirit II (E310\/S310\/E320\/S320) shows worn flavorizer bars, rusty grates or weak burners, the PETKAO GS4 Spirit 2 Parts Kit restores even heat, clearer flame paths and the searing surface your grill originally delivered. This aftermarket set is tailored to fit a broad range of Weber part numbers and model years (2013–2017 Spirit II\/E310 300 series and compatible units), replacing the common flavor bars, grates and burner tubes that wear from regular use.\u003c\/p\u003e\n\n\u003ch3\u003eWill these parts fit my Weber Spirit II 300-series grill?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the kit is designed for three-burner Spirit II\/Spirit 300 models and matches dimensions for many original Weber part numbers. Verify fit by comparing the burner and grate sizes listed to your existing components.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with Spirit II S310, E310, E320, S320 (2013–2017) and many 300-series Weber models.\u003c\/li\u003e\n  \u003cli\u003eBurner lengths: left\/right main burners 18\"; center main 17-3\/4\"; crossover 15-1\/4\".\u003c\/li\u003e\n  \u003cli\u003eFlavorizer bar size: 15.3 x 2.6 x 2.5 inches; 16GA thickness; five bars included.\u003c\/li\u003e\n  \u003cli\u003eCooking grates: two matte cast-iron grates, 17.5\" x 11.9\" each.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these flavorizer bars and grates improve grilling performance?\u003c\/h3\u003e\n\n\u003cp\u003eThe porcelain-enameled flavorizer bars vaporize drippings to add grilled flavor while protecting burners; the matte cast-iron grates retain and transfer heat for better searing. Combined, they help achieve more even cooking and clearer flame patterns compared with heavily corroded originals.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSnowflake porcelain enamel provides rust resistance and easier cleaning versus bare steel.\u003c\/li\u003e\n  \u003cli\u003eFour notches per flavorizer bar increase ventilation and more consistent heat distribution.\u003c\/li\u003e\n  \u003cli\u003eCast-iron grates heat quickly and give distinct sear marks and improved heat retention.\u003c\/li\u003e\n  \u003cli\u003eComplete burner set restores correct gas flow across the cooking area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly is included in the PETKAO replacement set?\u003c\/h3\u003e\n\n\u003cp\u003eThe package assembles all primary wear items you’ll need for a full refresh of a three-burner Spirit II grill: flavorizer bars, grates and burner tubes. Dimensions and counts match common Weber originals so you can replace components without costly custom modifications.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e5 x porcelain-enameled flavorizer bars (15.3\" long, 16GA thickness).\u003c\/li\u003e\n  \u003cli\u003e2 x matte cast-iron cooking grates (17.5\" x 11.9\").\u003c\/li\u003e\n  \u003cli\u003e3 x full-length main burners (left\/right 18\", center 17-3\/4\") and 1 x crossover burner (15-1\/4\").\u003c\/li\u003e\n  \u003cli\u003eCompatible with multiple Weber part numbers including common GS4 and 300-series codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these replacement parts?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation follows the reverse order of removal: remove old burners, flavorizer bars and grates, then fit new burners and secure them before placing bars and grates. Regular cleaning and occasional seasoning of cast-iron grates will extend life and performance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTurn off gas and disconnect before replacing burners; follow manufacturer safety steps.\u003c\/li\u003e\n  \u003cli\u003eCheck ignition holes and burner ports for alignment and debris before first use.\u003c\/li\u003e\n  \u003cli\u003eSeason cast-iron grates with a thin oil coat to protect enamel and prevent sticking.\u003c\/li\u003e\n  \u003cli\u003eWipe porcelain flavorizer bars clean after each grilling session to reduce flare-ups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: PETKAO’s GS4 Spirit 2 Parts Kit is intended for owners of three-burner Weber Spirit II\/Spirit 300 grills who want a cost-effective, complete refresh of worn cooking surfaces and burners. It’s a practical purchase for backyard hosts, occasional grillers or anyone restoring an older Spirit II model to reliable, even heat performance.\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: Does this kit fit all Weber Spirit II 300 series models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits most three-burner Spirit II\/Spirit 300 models (E310\/S310\/E320\/S320) from 2013–2017; compare the listed burner and grate sizes to your parts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the grates preseasoned or do they need oiling?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Grates arrive unseasoned; apply a light coat of cooking oil before first use to protect and improve nonstick performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PETKAO","offers":[{"title":"Default Title","offer_id":56843189584212,"sku":"B0BJ74QB6C","price":174.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/petkao-front-packaging-spirit-2-parts-kit.jpg?v=1787078385","url":"https:\/\/gardenluxe.co.uk\/products\/petkao-gs4-spirit-ii-300-replacement-kit-5-porcelain-flavorizer-bars-2-cast-iron-grates-4-burners-2013-2017-spirit-ii-e310-s","provider":"Gardenluxe Uk","version":"1.0","type":"link"}