Dometic RV Toilet Seat & Cover - White - Fits 300/310/320 Series - Part# 385310902

DometicSKU: 385310902
Added to catalog: March 10, 2026
Last product update: June 6, 2026 at 5:13 AM

Sale price$83.54 Regular price$132.83
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In stock (11 units), ready to be shipped
FREE Delivery Estimate June 10 – June 13
1-Hour Cancellation Window

1-Hour Cancellation Window

You'll have 1 hour after placing your order to update your shipping address or cancel completely.

After that, we begin coordinating with our vendors to fulfill your order — at that point, cancellations and address changes usually aren't possible.

If you're unsure about anything, please reach out before ordering or cancel within the window.

Replace your worn or cracked Dometic RV toilet seat and cover with this genuine OEM replacement. This white seat and cover assembly is designed specifically for Dometic 300, 310, and 320 series toilets, ensuring a perfect fit and reliable performance in your motorhome or travel trailer. If your toilet seat is loose, discolored, or damaged, this direct replacement restores comfort and functionality to your RV bathroom.

Key Features

  • Genuine OEM Dometic part — exact replacement for original equipment
  • White color matches standard Dometic toilet fixtures
  • Compatible with Dometic 300, 310, and 320 series toilets
  • Includes both seat and cover assembly
  • Easy installation — bolts directly to existing toilet base
  • Durable molded plastic construction designed for RV use

Technical Specifications

Specification Detail
Part Number 385310902
Color White
Fits Models Dometic 300, 310, 320 Series
Assembly Type Seat and Cover
Material Molded Plastic

Frequently Asked Questions

Q: Will this seat fit my Dometic toilet?
A: This seat is designed for Dometic 300, 310, and 320 series toilets. Check your toilet model number on the bowl or in your RV manual to confirm compatibility before ordering.

Q: Do I need tools to install this seat?
A: Installation is straightforward and requires only basic tools — typically a wrench or socket set to remove the old seat bolts and install the new assembly. Most RV owners can complete the swap in under 15 minutes.

Q: Is this a genuine Dometic part?
A: Yes, this is an authentic OEM Dometic part. We source all our inventory directly from authorized Dometic distributors to ensure you receive genuine replacement components.

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 equipment backed by our expert support team. When you need the exact Dometic component for your motorhome or travel trailer, Elkhart RV Parts has it in stock and ready to ship.

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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