The Dometic S Series Toilet Mounting O-Ring Kit contains all the essential sealing rings needed to create a watertight connection between your RV toilet and the holding tank. If your toilet is leaking at the base, showing water stains around the mounting area, or you're experiencing odors coming from beneath the bowl, this o-ring kit provides the replacement seals to restore a proper seal and prevent further water damage.
Key Features
- Complete o-ring kit for Dometic S Series toilet base mounting
- Prevents leaks and odors at the toilet-to-tank connection
- Genuine OEM Dometic components for reliable performance
- Includes all gaskets and sealing rings needed for proper installation
- Simple replacement—no special tools required
- Essential maintenance item for RV toilet systems
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 385311213 |
| Manufacturer | Dometic |
| Product Type | O-Ring and Gasket Kit |
| Compatibility | Dometic S Series Toilets |
| Application | Toilet Base Mounting Seal |
Frequently Asked Questions
- How do I know if my toilet o-rings need replacement?
- Signs include water pooling around the toilet base, a musty odor coming from under the bowl, visible water stains on the floor or cabinetry below the toilet, or leaking into the holding tank area. If you notice any of these issues, it's time to replace the o-rings.
- Is this kit difficult to install?
- No. The installation process is straightforward and typically takes 30-45 minutes. You'll need to remove the toilet from the mounting flange, replace the old o-rings with the new ones from this kit, and reinstall. Most RV owners can handle this without professional help.
- Will this kit work on older Dometic S Series models?
- Yes, this kit is designed to fit Dometic S Series toilets across multiple model years. However, we recommend confirming the part number matches your toilet or contacting our expert support team to verify compatibility with your specific model.
Why Choose Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part we sell is genuine OEM Dometic equipment, backed by our expert support team. When you need the right part the first time, Elkhart RV Parts delivers.
| Brand | Dometic |
|---|---|
| Product type | Toilet Mounting O-Ring Kit |
| Part number | 385311213 |
| Series | S Series |
| Oem | true |
| Compatible models | 510511512520521 |
| Primary function | Mounting seal |
| Features | Leak preventionWatertight seal |
| Use case | InstallationServicingRoutine maintenanceRepairs |
| Category | Service Parts |
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.