Gaskets and Seals› Exterior Gaskets

Dometic USA

8640-TT /SP/TF/12/TPB/SP/BNE

$2,125.17

SKU: D018 304864011

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Dometic 304864011 is a high-quality replacement toilet bowl seal designed for various Dometic and SeaLand marine sanitation systems. It provides a reliable, watertight, and airtight seal to ensure proper operation and odor control for marine toilets.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDometic USA
Part NumberD018 304864011

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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