{"product_id":"thetford-style-ii-toilet-base-42138-rv-marine-replacement-base-durable-plastic-mounting","title":"Thetford Style II Toilet Base 42138 – RV\/Marine Replacement Base, Durable Plastic Mounting","description":"\u003cp\u003e\u003cstrong\u003eThe Thetford 42138 Style 2 toilet base is the replacement base unit for Style II mobile toilets, sold without the cover, designed to fit RVs, boats, campers and trucks that use Thetford Style II systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen a worn or damaged toilet base is the issue, replacing the base rather than the entire toilet saves time and money. The Thetford 42138 base is built to Thetford’s manufacturing specifications for mobile sanitation, offering a reliable structural platform and standardized mounting for Style II components. This listing is for the base only; the seat\/cover and bowl trim are not included.\u003c\/p\u003e\n\n\u003ch3\u003eWill this base fit my existing Thetford Style II toilet?\u003c\/h3\u003e\n\n\u003cp\u003eCompatibility depends on whether your current toilet uses Thetford’s Style II base dimensions and mounting pattern. Many RVs, boats and camper toilets built for Thetford Style II components will accept the 42138 base without modification. Verify your model and measurements before purchasing to ensure a correct match.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDesigned for Thetford Style II mounting layouts\u003c\/li\u003e\n  \u003cli\u003eCheck existing bolt pattern and waste outlet alignment\u003c\/li\u003e\n  \u003cli\u003eFits most RV, marine and truck applications using Style II parts\u003c\/li\u003e\n  \u003cli\u003eSold as base only — seat and cover must be reused or bought separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what tools do I need?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic mechanical tasks and working in tight compartments. Typical steps include removing the old base, aligning the waste outlet and bolt holes, and securing the base to the floor. Expect to spend under an hour if access is good and no plumbing alterations are needed.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCommon tools: screwdriver, wrench set, silicone or marine sealant\u003c\/li\u003e\n  \u003cli\u003eMay require cutting or trimming of old seal in some setups\u003c\/li\u003e\n  \u003cli\u003eKeep the original seat\/cover to reuse with the new base\u003c\/li\u003e\n  \u003cli\u003eProfessional installation recommended if plumbing modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and build quality can I expect from Thetford 42138?\u003c\/h3\u003e\n\n\u003cp\u003eThe 42138 base is manufactured to Thetford’s quality standards for mobile sanitation components, built from durable plastics that resist corrosion and wear from typical RV and marine environments. The materials are chosen for structural stability and longevity under repeated use and movement while traveling.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDurable, corrosion-resistant plastics suited for mobile use\u003c\/li\u003e\n  \u003cli\u003eEngineered mounting surfaces for a secure fit\u003c\/li\u003e\n  \u003cli\u003eManufactured by Thetford, a leader in mobile sanitation\u003c\/li\u003e\n  \u003cli\u003ePart number 42138 for accurate replacement ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre any accessories or additional parts required?\u003c\/h3\u003e\n\n\u003cp\u003eThis base is sold without the cover or seat; you will need a compatible seat\/cover assembly to complete the toilet. In many cases your existing seat will attach to the new base, but if damaged or missing you should order a Style II seat\/cover separately. Also have sealant or gaskets on hand to ensure a leak-free installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSeat and cover are NOT included with the base\u003c\/li\u003e\n  \u003cli\u003eReuse existing hardware where possible to save cost\u003c\/li\u003e\n  \u003cli\u003eReplacement gaskets or marine sealant often recommended\u003c\/li\u003e\n  \u003cli\u003eConfirm part number 42138 for correct accessory pairing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Thetford part 42138 is ideal for RV owners, boat operators, camper renovators and truck drivers who need a direct replacement base for a Style II toilet system. It suits DIYers who prefer swapping components rather than replacing full units, fleet maintenance teams managing multiple vehicles, and anyone restoring a mobile bathroom where the base is compromised but the seat and flushing hardware remain serviceable.\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 listing include the toilet seat and cover?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The 42138 listing is the base only; seat and cover must be reused or purchased separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this base myself in my RV?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Many owners can install it with basic tools, but confirm outlet alignment and consider a pro if plumbing changes are needed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Thetford","offers":[{"title":"Default Title","offer_id":67585609859257,"sku":"B00MJVJ14E","price":243.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/thetford-style-2-base-front-view.jpg?v=1790474253","url":"https:\/\/redleafauto.ca\/products\/thetford-style-ii-toilet-base-42138-rv-marine-replacement-base-durable-plastic-mounting","provider":"Redleaf Auto","version":"1.0","type":"link"}