{"product_id":"dometic-385311251-toilet-water-fitting-black-90-deg","title":"Dometic 385311251 Toilet Water Fitting Black 90-Deg","description":"\u003cp class=\"nvn-hero\"\u003eWhen the water connection fitting on your Dometic toilet cracks or starts weeping at the seam, this is the genuine replacement. The 385311251 is a black 90-degree elbow that routes the water supply line into the toilet in tight spaces. It's a Dometic part, so it fits and seals the way the original did.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eNobody plans to replace a toilet fitting. It's one of those parts you never think about until you spot a slow drip under the base or feel a damp spot on the floor behind the bowl. That's usually the water connection fitting giving up. This is the genuine Dometic 385311251, the black 90-degree elbow that carries the water supply into the toilet, and it's the right part to put things back the way they were.\u003c\/p\u003e\n\u003cp\u003eHere's what it does. Water comes into your Dometic toilet through a supply line, and that line has to make a turn to reach the inlet on the toilet itself. This fitting is that turn. The 90-degree bend lets the supply line come in from the side or the back and route cleanly to the toilet without kinking the hose or crowding the space behind the base. In a tight head or a small RV bathroom, that geometry matters. A straight fitting would force the line into a hard bend, and a hard bend is where leaks and restrictions start.\u003c\/p\u003e\n\u003cp\u003eSo why does the original fail? Age, mostly. These fittings live in a damp spot, they get bumped during cleaning, and the plastic can go brittle over the years. Sometimes a previous owner over-tightened it and hairline-cracked the body. Sometimes the seal just wore out. Whatever the reason, once it starts weeping you want it swapped before the drip turns into a puddle and the water finds its way into the floor.\u003c\/p\u003e\n\u003cp\u003eThe black color isn't just cosmetic. It's the factory finish for this fitting, so it matches the hardware you already have and blends into the shadow behind the toilet base instead of standing out. If your original was black, this is a straight visual match.\u003c\/p\u003e\n\u003cp\u003eBeing a Dometic part is the whole point here. Aftermarket fittings can be close on dimensions and still be off just enough that the threads don't seat right or the seal doesn't compress evenly. This one is built to the same spec as what came out, so it lines up, threads on, and seals without a fight. That's what you want on a plumbing connection you're not going to look at again for years.\u003c\/p\u003e\n\u003cp\u003eInstalling it is a job most owners can handle in an afternoon. Shut off the water supply to the toilet first, and give the line a moment to relieve pressure. Have a towel ready, because there's always a little water left in the line. Disconnect the old fitting, clean up the mating surfaces so the new seal has a smooth face to sit against, and thread the new one on. Don't crank it down like a lug nut. Snug is enough, and over-tightening plastic is exactly how the last one probably cracked. Turn the water back on and watch the connection for a few minutes before you call it done.\u003c\/p\u003e\n\u003cp\u003eOne tip from experience. While you've got the toilet's water line open, take a look at the supply hose and any clamps or washers in the run. If the fitting failed from age, those parts are the same age. It's a good moment to eyeball them and replace anything that looks tired, so you're not back under the toilet next month for a different worn part.\u003c\/p\u003e\n\u003cp\u003eWho's this for? Anyone with a Dometic toilet that's showing a leak at the water connection, anyone doing a refresh on an older RV or boat head, and anyone who wants the genuine fitting rather than a guess-and-hope substitute. Because the part numbers and fitments vary across the Dometic toilet line, check the 385311251 number and the black 90-degree description against your existing fitting before you order. If it matches, you're good.\u003c\/p\u003e\n\u003cp\u003eIt's a small part. But it's the kind of small part that keeps your floor dry and your bathroom smelling like a bathroom should. Get the right one, install it clean, and forget about it for another decade.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eGenuine Dometic part number 385311251, so it matches factory fit and seal on Dometic toilets\u003c\/li\u003e\n  \u003cli\u003e90-degree elbow design routes the water supply line cleanly around tight corners without kinking the hose\u003c\/li\u003e\n  \u003cli\u003eBlack factory finish blends behind the toilet base and matches your original hardware\u003c\/li\u003e\n  \u003cli\u003eSold as a complete replacement fitting kit, ready to swap in\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for a cracked, brittle, or leaking original water connection fitting\u003c\/li\u003e\n  \u003cli\u003eThreads on with basic hand tools, an afternoon job for most owners\u003c\/li\u003e\n  \u003cli\u003eBuilt to Dometic spec for a leak-free seal you can count on for years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Dometic reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does the Dometic 385311251 fitting actually do?\u003c\/summary\u003e\n    \u003cp\u003eIt's the water connection fitting for Dometic toilets, the 90-degree elbow that carries the water supply line into the toilet. The bend lets the line come in from the side or back and route cleanly without kinking.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat's the part number and UPC?\u003c\/summary\u003e\n    \u003cp\u003eThe manufacturer part number is 385311251 and the UPC is 713814049898. Match those against your existing fitting before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat color is it?\u003c\/summary\u003e\n    \u003cp\u003eBlack. It's the factory finish, so it matches the original hardware and blends into the shadow behind the toilet base.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a genuine Dometic part?\u003c\/summary\u003e\n    \u003cp\u003eYes. It's built to the same spec as the fitting that came out, so the threads seat right and the seal compresses evenly. Aftermarket copies can be off just enough to leak.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know I need to replace this fitting?\u003c\/summary\u003e\n    \u003cp\u003eA slow drip under the toilet, a damp spot on the floor behind the bowl, or a visible crack in the fitting body all point to a worn water connection fitting. Once it starts weeping, swap it before it turns into a puddle.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhich Dometic toilets does it fit?\u003c\/summary\u003e\n    \u003cp\u003eIt's a replacement water connection fitting for Dometic toilets. Because fitments vary across the Dometic toilet line, check the 385311251 number and the black 90-degree description against your existing fitting before you order.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it come as a kit?\u003c\/summary\u003e\n    \u003cp\u003eYes. It ships as a complete 90-degree elbow fitting kit, ready to install.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I install it myself?\u003c\/summary\u003e\n    \u003cp\u003eMost owners can. Shut off the water supply first, disconnect the old fitting, clean the mating surface, and thread the new one on with hand tools. Snug it down, don't over-tighten the plastic, and check for leaks before you finish.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy is it a 90-degree angle?\u003c\/summary\u003e\n    \u003cp\u003eThe 90-degree bend lets the supply line make its turn inside the fitting instead of forcing a hard bend in the hose. That keeps the hose from kinking and fits better in a tight head or RV bathroom.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eDometic 385311251 Toilet Water Connection Fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eDometic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e385311251\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e713814049898\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConnection Angle\u003c\/th\u003e\n\u003ctd\u003e90 Degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eComponent Type\u003c\/th\u003e\n\u003ctd\u003eWater Connection Fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFitting Style\u003c\/th\u003e\n\u003ctd\u003e90-Degree Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eReplacement Fitting Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003ctd\u003eDometic Toilets\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eReplacement Part\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eToilet Water Supply Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does the Dometic 385311251 fitting actually do?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's the water connection fitting for Dometic toilets, the 90-degree elbow that carries the water supply line into the toilet. The bend lets the line come in from the side or back and route cleanly without kinking.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What's the part number and UPC?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The manufacturer part number is 385311251 and the UPC is 713814049898. Match those against your existing fitting before ordering.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What color is it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Black. It's the factory finish, so it matches the original hardware and blends into the shadow behind the toilet base.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this a genuine Dometic part?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It's built to the same spec as the fitting that came out, so the threads seat right and the seal compresses evenly. Aftermarket copies can be off just enough to leak.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I know I need to replace this fitting?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A slow drip under the toilet, a damp spot on the floor behind the bowl, or a visible crack in the fitting body all point to a worn water connection fitting. Once it starts weeping, swap it before it turns into a puddle.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Which Dometic toilets does it fit?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a replacement water connection fitting for Dometic toilets. Because fitments vary across the Dometic toilet line, check the 385311251 number and the black 90-degree description against your existing fitting before you order.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it come as a kit?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. 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