The Dometic toilet seal kit is an essential maintenance component that restores the watertight seal between your RV toilet bowl and base. Over time, the original seals deteriorate from constant use, temperature changes, and chemical exposure, leading to leaks and odors. This genuine OEM kit includes all necessary seals and gaskets to return your Dometic toilet to factory performance.

Key Features

• Complete seal kit with all gaskets and seals needed for toilet reassembly
• Compatible with Dometic 300, 310, 320, and 500 series toilets
• Genuine OEM Dometic parts—not aftermarket substitutes
• Prevents water leaks and waste odors from escaping into your RV
• Restores original factory seal integrity
• Includes instruction guide for proper installation

Technical Specifications

Part Number	385311770
Fits Models	Dometic 300, 310, 320, 500 Series
Kit Contents	Toilet bowl seals, base gaskets, and mounting hardware
Material	Rubber and neoprene compounds
OEM Status	Genuine Dometic OEM part

Frequently Asked Questions

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

Signs include water pooling around the toilet base, persistent sewage odors in your bathroom, or visible cracks in existing seals. If your toilet rocks slightly when you sit on it, the seals have likely failed.

Can I install this seal kit myself?

Yes, most RV owners can complete this installation with basic tools. You'll need to disconnect water and waste lines, remove the toilet bowl, and replace the seals. We recommend consulting your Dometic manual or contacting our support team for step-by-step guidance.

Will this kit work on my 2015 Dometic 310 toilet?

This kit is designed for 300, 310, 320, and 500 series toilets. We recommend verifying your exact model number on the toilet itself or in your RV documentation before ordering. Our expert team can help you confirm compatibility—contact us with your model details.

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 is genuine OEM Dometic stock, and our expert support team is ready to help you find the exact seal kit your toilet needs.