--- product_id: 112366135 title: "RV Toilet Seal, 385311658 Flush Ball Seal Kit Replacement for Dometic 300, 310, and 320 RVs, Motorhome Camper and Trailer Toilets. Solves Leakage Problem 1PC" brand: "wehope" price: "€ 15.52" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.hr/products/112366135-rv-toilet-seal-385311658-flush-ball-seal-kit-replacement-dometic store_origin: HR region: Croatia --- # Leak-proof water seal DIY-friendly installation Durable rubber compound RV Toilet Seal, 385311658 Flush Ball Seal Kit Replacement for Dometic 300, 310, and 320 RVs, Motorhome Camper and Trailer Toilets. Solves Leakage Problem 1PC **Brand:** wehope **Price:** € 15.52 **Availability:** ✅ In Stock ## Summary > 🚐 Seal the deal on your RV comfort—no leaks, no stress, just smooth travels! ## Quick Answers - **What is this?** RV Toilet Seal, 385311658 Flush Ball Seal Kit Replacement for Dometic 300, 310, and 320 RVs, Motorhome Camper and Trailer Toilets. Solves Leakage Problem 1PC by wehope - **How much does it cost?** € 15.52 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/112366135-rv-toilet-seal-385311658-flush-ball-seal-kit-replacement-dometic) ## Best For - wehope enthusiasts ## Why This Product - Trusted wehope brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Tailored Fit:** Precision-engineered for Dometic 300/310/320 series toilets—no guesswork, just perfect compatibility. - • **Built to Last:** Crafted from premium rubber compound designed to withstand the rigors of life on the road. - • **Leak-Free Comfort:** Keeps water sealed and odors locked out for a fresh, clean RV bathroom experience. - • **Travel Confidence:** Eliminates leakage worries so you can focus on the adventure, not the bathroom. - • **Effortless DIY Upgrade:** Simple, step-by-step installation means no plumber needed—get back on the road faster. ## Overview This RV Toilet Seal Replacement Kit (part 385311658) is a high-quality, durable rubber gasket designed exclusively for Dometic 300, 310, and 320 series RV toilets. It prevents leaks and odors, ensuring a hygienic and comfortable bathroom environment on the road. Easy to install with clear instructions, it’s the perfect DIY fix to maintain your motorhome’s plumbing integrity. ## Description Installation: 1) Turn off water supply. 2) Hold the flush ball open by depressing the flush pedal. 3) Grasp the underside of the old seal and pull towards you to remove. 4) Clean the rim and bowl area where the old gasket previously sat. 5) Release flush pedal and allow the flush ball to close. 6) Clean the flush ball. 7) With the flush ball closed, put the new seal in and press outwards to ensure that it is firmly in place. 8) Reopen the flush ball and spread a lubricant in the areas where the gasket will contact the flush ball. 9) Open and close the flush ball several times, then press down on the gasket to ensure it is properly positioned. 10) Turn on the water supply, add water to the bowl and ensure that there are no leaks. ## Features - NECESSITY：It keeps the water in place and does not emit odors. Keep the room clean so that you have a comfortable journey. - RV Toilet Seal Replacement Kit : Specifically designed for Dometic 300/310/320 series RV toilets. Direct replacement for part number 385311658. Important note: will not fit Dometic 210, 510, or any other models not explicitly mentioned here. - NOTE: Please keep the correct side upward, otherwise it may cause water leakage. Please close and drain the water in the toilet before installation. When replacing a new gasket, please clean the rim and bowl area where the old seal was. - HIGH-QUALITY MATERIAL：Our seals are made from a special rubber compound，ensuring longevity and durability. - EASY INSTALLATION：It can help you solve your small problems in the process of traveling.easy to install and can be replaced by yourself. Just take out the old gasket and replace it with a new one. ## Product Details - **Brand:** WEHOPE - **Material:** Rubber - **Color:** Black - **Shape:** Round - **UPC:** 784237710313 ## Images ![RV Toilet Seal, 385311658 Flush Ball Seal Kit Replacement for Dometic 300, 310, and 320 RVs, Motorhome Camper and Trailer Toilets. Solves Leakage Problem 1PC - Image 1](https://m.media-amazon.com/images/I/61y6lPxBLqL.jpg) ![RV Toilet Seal, 385311658 Flush Ball Seal Kit Replacement for Dometic 300, 310, and 320 RVs, Motorhome Camper and Trailer Toilets. Solves Leakage Problem 1PC - Image 2](https://m.media-amazon.com/images/I/71nYZpP3juL.jpg) ![RV Toilet Seal, 385311658 Flush Ball Seal Kit Replacement for Dometic 300, 310, and 320 RVs, Motorhome Camper and Trailer Toilets. Solves Leakage Problem 1PC - Image 3](https://m.media-amazon.com/images/I/71vngt0PTrL.jpg) ![RV Toilet Seal, 385311658 Flush Ball Seal Kit Replacement for Dometic 300, 310, and 320 RVs, Motorhome Camper and Trailer Toilets. Solves Leakage Problem 1PC - Image 4](https://m.media-amazon.com/images/I/81J6MexIVgL.jpg) ![RV Toilet Seal, 385311658 Flush Ball Seal Kit Replacement for Dometic 300, 310, and 320 RVs, Motorhome Camper and Trailer Toilets. Solves Leakage Problem 1PC - Image 5](https://m.media-amazon.com/images/I/61KO6fo0ClL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars easy instalation *by C***N on Reviewed in the United States on May 4, 2023* very good product ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Reasonable price *by R***D on Reviewed in the United States on January 24, 2023* Worked perfect. ### ⭐⭐⭐⭐ 4.0 out of 5 stars Good product *by M***S on Reviewed in the United States on June 14, 2022* Got the job done --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/112366135-rv-toilet-seal-385311658-flush-ball-seal-kit-replacement-dometic](https://www.desertcart.hr/products/112366135-rv-toilet-seal-385311658-flush-ball-seal-kit-replacement-dometic) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-08*