{"product_id":"dometic-rv-toilet-base-seal-and-mounting-hardware-kit-for-300-400-series-white-caps-oem-replacement","title":"Dometic RV Toilet Base Seal and Mounting Hardware Kit for 300\/400 Series — White caps, OEM replacement","description":"\u003cp\u003e\u003cstrong\u003eGenuine Dometic base seal and mounting hardware kit for 300 and 400 Series (Sealand compatible) toilets, providing factory-fit replacement parts to secure and seal the toilet base.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need to reinstall, service, or replace the base hardware on a Dometic 300 or 400 Series toilet, this OEM kit contains the exact components designed to restore a proper fit and reliable seal. Manufactured to the same specifications as the original parts, the kit reduces the chance of movement, corrosion, or leaks that can occur with worn or non‑OEM replacements.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit restore toilet stability?\u003c\/h3\u003e\n\u003cp\u003eThe kit replaces the rubber flange seal and mounting fasteners that anchor the toilet to the RV floor, preventing shifts caused by vehicle motion and vibration. Replacing aged or damaged parts with factory-fit components ensures the seat and bowl stay firmly positioned under normal travel conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes rubber flange seal engineered for a snug base-to-floor interface\u003c\/li\u003e\n  \u003cli\u003eOEM bolts and hardware resist loosening from vibration\u003c\/li\u003e\n  \u003cli\u003eWhite caps provide a finished look while protecting fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit prevent leaks at the toilet base?\u003c\/h3\u003e\n\u003cp\u003eThe rubber flange seal in the kit restores the barrier between the toilet outlet and the waste fitting, helping to reduce seepage at the base when installed correctly. While proper installation is essential, using original equipment parts helps recreate the factory sealing surface and alignment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecisely sized flange seal matches Dometic 300\/400 Series openings\u003c\/li\u003e\n  \u003cli\u003eHardware secures even compression of the seal for consistent contact\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant components maintain clamp force over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this kit compatible with my RV toilet model?\u003c\/h3\u003e\n\u003cp\u003eThis Genuine Dometic kit is designed specifically for Dometic 300 and 400 Series toilets and Sealand models that share the same mounting system. If you own one of these series, the parts are factory-specified to match the original installation dimensions and finish.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Dometic 300 Series toilets\u003c\/li\u003e\n  \u003cli\u003eFits Dometic 400 Series toilets\u003c\/li\u003e\n  \u003cli\u003eCompatible with Sealand toilets using the same flange and bolt pattern\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the kit and what tools are needed for installation?\u003c\/h3\u003e\n\u003cp\u003eThe package includes the rubber flange seal, mounting bolts and fasteners, and white hardware caps for a clean finish. Basic hand tools like a screwdriver, wrench, and possibly a utility knife to remove the old seal are usually sufficient; the job can be completed in a short maintenance window by a DIYer or technician.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRubber flange seal sized for 300\/400 Series toilets\u003c\/li\u003e\n  \u003cli\u003eStainless or corrosion-resistant mounting bolts and nuts\u003c\/li\u003e\n  \u003cli\u003eWhite plastic caps to cover fastener heads for aesthetics and protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? RV owners, fleet maintenance teams, and service technicians who require a reliable, factory-correct replacement for worn toilet base components will benefit from this Dometic OEM kit. Choose this set when you want parts that match original specifications, maintain warranty integrity, and restore proper fit, seal, and stability to Dometic 300 and 400 Series or compatible Sealand toilets.\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 non-Dometic toilets?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s made for Dometic 300\/400 Series and Sealand models with the same flange pattern; fit with other brands depends on matching bolt and flange dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install the kit myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—basic hand tools suffice for most installs, but follow instructions or consult a technician if unsure about sealing or alignment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dometic","offers":[{"title":"Default Title","offer_id":48086027206814,"sku":"B00BRIDMEA","price":45.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/dometic-front-packaging-kit.jpg?v=1785882181","url":"https:\/\/northtrailauto.ca\/products\/dometic-rv-toilet-base-seal-and-mounting-hardware-kit-for-300-400-series-white-caps-oem-replacement","provider":"North Trail Auto","version":"1.0","type":"link"}