The Dometic toilet seal kit is an essential maintenance component for RV owners with Dometic 300, 310, or 320 series toilets. Over time, rubber seals degrade from regular use and exposure to chemicals, causing leaks and odors. This OEM seal kit restores your toilet's watertight seal and prevents waste from backing up into your freshwater system.
- Complete seal replacement kit for Dometic 300/310/320 series toilets
- Includes all rubber gaskets and seals needed for a full rebuild
- Genuine OEM Dometic parts ensure perfect fit and performance
- Prevents leaks, odors, and cross-contamination in your RV plumbing
- Easy installation—no special tools required
- Extends toilet lifespan and maintains system reliability
| Specification | Details |
|---|---|
| Part Number | 385311530 |
| Compatible Models | Dometic 300, 310, 320 Series |
| Kit Contents | Rubber seals and gaskets |
| Manufacturer | Dometic |
| Type | OEM Replacement Seal Kit |
Frequently Asked Questions
Q: How often should I replace the seal kit?
A: Most RV owners replace toilet seals every 3-5 years depending on usage and water chemistry. If you notice leaks or persistent odors, it's time for a replacement.
Q: Will this kit work on my older Dometic 300 toilet?
A: Yes, this kit is designed for the entire 300/310/320 series. Verify your model number on the toilet bowl before ordering to confirm compatibility.
Q: Do I need a plumber to install this?
A: No. Most RV owners can complete this replacement in 30-45 minutes with basic tools. The Dometic manual provides step-by-step instructions, and our support team is available if you have questions.
Why Elkhart RV Parts
We specialize in hard-to-find Dometic replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM Dometic stock, and our expert support team is here to help you find the exact component you need for your RV system.
| Brand | Dometic |
|---|---|
| Product type | Toilet Seal Kit |
| Part number | 385311530 |
| Compatible models | 300/310/320 Series |
| Compatibility | Dometic RV Toilets |
| Oem | true |
| Category | Service Parts |
| Contents | Seal and Gasket Kit |
| Function | Water seal restoration |
| Application | RV waste systems |
| Installation type | Replacement |
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 Genuine, name-brand components made to order — never generic, never outdated.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.