The flush ball seal is a critical component in your Dometic RV toilet's flushing mechanism. This rubber seal creates a watertight closure that allows water to build pressure in the bowl before release, ensuring powerful and reliable flushes. If your toilet isn't holding water or the flush is weak, a worn or damaged flush ball seal is often the culprit.
Key Features
- Direct replacement for Dometic 300, 310, and 320 series toilets
- Durable rubber construction designed for repeated use and pressure cycling
- Restores proper water seal and flush performance
- Easy DIY installation—no special tools required
- OEM Dometic part ensures perfect fit and compatibility
- Affordable solution to avoid costly toilet replacement
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 385310533 |
| Compatible Models | Dometic 300, 310, 320 Series Toilets |
| Material | Rubber |
| Type | Flush Ball Seal |
Frequently Asked Questions
How do I know if my flush ball seal needs replacement?
Signs include water not holding in the bowl, weak or incomplete flushes, or water trickling continuously into the waste tank. If your toilet worked fine before and suddenly loses performance, the seal is likely worn.
Is this a genuine Dometic part?
Yes, this is an OEM Dometic part. We stock only authentic Dometic components to ensure your RV toilet operates exactly as designed.
Can I install this myself?
Absolutely. Most RV owners can replace the flush ball seal in 15–20 minutes with basic hand tools. Your Dometic toilet manual includes step-by-step instructions, and our team is available to answer installation questions.
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 stock backed by expert customer support. When you need the exact part to keep your RV running smoothly, we're here to help.
| Brand | Dometic |
|---|---|
| Product type | RV Toilet Flush Ball Seal |
| Part number | 385310533 |
| Compatible models | 300 Series310 Series320 Series |
| Toilet type | Gravity Flush |
| Part category | OEM Replacement |
| Function | Water Seal and Flush Operation |
| Installation type | Flush Ball Assembly Replacement |
| Product status | New Arrival |
| Genuine oem | true |
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 Genuine, name-brand components made to order — never generic, never outdated.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.