Dometic RV Toilet Seat Assembly - Fits 300/310/320 Series - Part# 385311306

DometicSKU: 385311306
Added to catalog: March 10, 2026
Last product update: June 6, 2026 at 5:13 AM

Sale price$324.77 Regular price$516.38
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Replace your worn or cracked RV toilet seat with this genuine Dometic toilet seat assembly. Designed specifically for Dometic 300, 310, and 320 series toilets, this OEM part restores comfort and functionality to your RV bathroom. Whether your seat is damaged, stained, or simply worn from years of use, this direct replacement ensures a perfect fit and reliable performance.

Key Features

  • Genuine OEM Dometic part — exact factory replacement
  • Fits Dometic 300, 310, and 320 series RV toilets
  • Durable molded construction for long-lasting use
  • Easy installation — direct bolt-on replacement
  • Includes all necessary mounting hardware
  • Improves comfort and hygiene in your RV bathroom

Technical Specifications

Specification Details
Part Number 385311306
Compatible Models Dometic 300, 310, 320 Series
Type Toilet Seat Assembly
Manufacturer Dometic

Frequently Asked Questions

Will this seat fit my Dometic toilet?
Yes, this assembly is designed for Dometic 300, 310, and 320 series toilets. Verify your toilet model before ordering to ensure compatibility.

Is this an OEM part or an aftermarket replacement?
This is a genuine OEM Dometic part, manufactured to original factory specifications for guaranteed fit and quality.

How difficult is installation?
Installation is straightforward — the seat assembly bolts directly onto your existing toilet base. Most RV owners can complete the replacement in under 15 minutes with basic tools.

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 equipment backed by our expert customer support team. When you need the exact part your RV was built with, Elkhart RV Parts delivers.

100% Authentic OEM Parts

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 Genuine, name-brand components made to order — never generic, never outdated.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.

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