The Dometic toilet seat and lid assembly is the replacement you need when your RV's throne room fixture shows wear, cracks, or damage. This genuine OEM part restores comfort and sanitation to your mobile bathroom, fitting Dometic 300, 310, and 320 series toilets. Keep your RV bathroom functional and hygienic with this durable replacement component.

Key Features

• Genuine OEM Dometic part—exact factory specifications
• White finish matches original Dometic 300/310/320 toilets
• Includes both seat and hinged lid assembly
• Durable molded plastic construction for long-lasting use
• Easy bolt-on installation with existing toilet base
• Compatible with fresh water and black water systems

Technical Specifications

Specification	Details
Part Number	385311252
Color	White
Compatible Models	Dometic 300, 310, 320 Series
Assembly Type	Seat and Lid with Hinges
Material	Molded Plastic
Installation	Bolt-on to existing toilet base

Frequently Asked Questions

Will this seat fit my Dometic toilet?

Yes, this assembly is designed specifically for Dometic 300, 310, and 320 series toilets. Verify your toilet model before ordering. If you're unsure, check your toilet's underside or manual for the model number.

Is this a complete replacement or just the seat?

This is the complete seat and lid assembly with hinges included. You're replacing the entire top portion that attaches to your toilet base—no additional parts needed for installation.

How do I install this replacement?

The assembly bolts directly onto your existing Dometic toilet base using the original mounting holes. Installation typically takes 10–15 minutes with basic tools. Refer to your RV manual or contact our support team for detailed guidance.

Why Elkhart RV Parts

We specialize in hard-to-find Dometic RV replacement parts and ship from Elkhart, Indiana—the RV capital of the world. Every part we sell is genuine OEM, ensuring perfect fit and reliability. Our expert support team is ready to help you identify and install the exact part your RV needs.