The Dometic toilet seal kit is an essential replacement component for RV owners with 300, 310, or 320 series toilets. This kit restores the watertight seal between your toilet bowl and base, preventing leaks and odors that compromise your RV's sanitation system. If you're experiencing water pooling around the toilet base or noticing persistent odors, this genuine OEM seal kit is the solution you need.

Key Features

• Genuine OEM Dometic replacement seal kit for 300/310/320 series toilets
• Restores watertight seal to prevent leaks and odor escape
• Complete kit includes all gaskets and seals needed for proper installation
• Easy DIY replacement—no special tools required
• Extends toilet lifespan and maintains RV sanitation system integrity
• Fits both manual and electric Dometic toilet models in this series

Technical Specifications

Part Number	385311315
Compatible Series	Dometic 300, 310, 320
Kit Contents	Seal assembly with gaskets
Installation Type	Direct replacement
Warranty	OEM manufacturer warranty

Frequently Asked Questions

Q: How do I know if my toilet seal kit needs replacement?

A: Common signs include water pooling around the base of the toilet, persistent sewage odors in the bathroom, or visible cracks in the existing seal. If you notice any of these issues, replacement is recommended.

Q: Is this a difficult installation?

A: No. The seal kit is designed for straightforward replacement. Most RV owners can complete installation in 30-45 minutes using basic tools. Your Dometic toilet manual includes step-by-step instructions.

Q: Will this kit work with my 310E or 320 electric toilet?

A: Yes. This OEM seal kit is compatible with both manual and electric models in the 300, 310, and 320 series. Verify your exact model number before ordering.

Why 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 is genuine OEM, backed by expert support to ensure you get the exact component your RV needs.