Dometic 300 Series Toilet Seat & Cover Kit - White - Genuine OEM Replacement - Part# 385311930

DometicSKU: 385311930
Added to catalog: March 11, 2026

Sale price$84.99
|
In stock (40 units), ready to be shipped
FREE Delivery Estimate April 22 – April 25
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.

The Dometic 385311930 Toilet Seat & Cover Kit is a genuine OEM replacement designed specifically for Dometic 300 Series RV toilets. This complete kit includes both the seat and cover in classic white, providing a fresh, clean look while restoring full functionality to your RV bathroom. If your original seat is cracked, discolored, or the hinges have failed, this direct-fit replacement installs quickly without modifications.

Key Features

  • Genuine Dometic OEM Part: Factory-engineered for perfect fit and long-lasting durability
  • Complete Kit: Includes both toilet seat and cover with integrated hinge assembly
  • Classic White Finish: Matches standard Dometic 300 Series toilet aesthetics
  • Direct Replacement: Designed to fit Dometic 300 Series toilets without modification
  • Durable Construction: Built to withstand the rigors of RV travel and daily use
  • Easy Installation: Simple bolt-on replacement with standard hardware

Technical Specifications

Part Number 385311930
Color White
Compatible Series Dometic 300 Series Toilets
Kit Contents Seat, Cover, and Hinge Assembly
Material High-Impact Plastic

Compatibility

This seat and cover kit is designed for Dometic 300 Series RV toilets, including:

Model Series Description
Dometic 310 Standard Height Models
Dometic 320 Elongated Bowl Models
Other 300 Series Various 300 Series Configurations

Note: Verify your toilet model number before ordering. The model number is typically located on a label inside the toilet bowl or on the back of the unit.

Frequently Asked Questions

Q: Will this seat fit my Dometic 310 or 320 toilet?

A: Yes, this seat and cover kit is designed specifically for Dometic 300 Series toilets, including the 310 and 320 models. Always verify your toilet model number before ordering to ensure proper fitment.

Q: Does this kit include the mounting hardware?

A: The kit includes the seat, cover, and integrated hinge assembly. Mounting hardware may be included depending on the specific kit configuration. If your original mounting bolts are in good condition, they can typically be reused.

Q: How do I remove my old toilet seat?

A: Most Dometic 300 Series seats are secured with two bolts accessible from underneath the toilet bowl rim. Simply unscrew these bolts, remove the old seat, and install the new one using the same mounting points. The process typically takes less than 10 minutes.

Q: Is this a slow-close seat?

A: This is a standard Dometic OEM replacement seat with traditional hinges. It does not feature slow-close functionality. It's designed to match the original equipment that came with your Dometic 300 Series toilet.

Why Choose Elkhart RV Parts?

We specialize in hard-to-find Dometic RV parts, including genuine OEM replacement components for discontinued and current models. Located in Elkhart, Indiana—the RV Capital of the World—we understand the urgency of getting your RV back in service.

  • Genuine OEM Parts: Factory-authorized Dometic replacement parts
  • Expert Support: Our team knows Dometic systems inside and out
  • Fast Shipping: Quick dispatch from our Elkhart warehouse
  • RV Specialists: We speak your language and understand your needs
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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