Kohler K-84460 Tank Gasket

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WHAT OUR CUSTOMERS SAY…

“I was very happy with Noel’s Plumbing. I was searching for a fairly rare part and saw it listed on their website. After placing my order, I was informed that the item was actually on backorder. Noel’s Plumbing was upfront and honest right away, letting me know it might take some time to arrive. Throughout the wait, they consistently kept me updated, which I really appreciated. When the part finally came in, they shipped it out immediately. It arrived exactly as described and was precisely what I needed. Excellent communication, honesty, and follow-through. Thank you, Noel’s Plumbing! ”

-Dave F.

04/04/2026

$16.47

The Kohler K-84460 is a genuine replacement tank gasket made of high-quality rubber, used to create a watertight seal between the toilet tank and the bowl. It is a necessary part for maintaining toilet functionality and preventing leaks.

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, noelsplumbingsupply@fuse.net, or via the text widget on this screen.

SKU: 12872a Category: Toilet Repair Kits Tag: Kohler

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Kohler Tank Gasket

K-84460

Seals the gap between the toilet bowl and tank to prevent leaks.
Made from high-quality, durable rubber.
Compatible with various Kohler toilet models, particularly those that are pressure-assisted.
The gasket has an outer diameter (OD) of 4-7/16″, an inner diameter (ID) of 2-1/8″, and a height of 1-3/16″, and is designed for a 2″ flush valve.

Common questions about this product

Yes, this is the OEM recommended part.

If you’re not sure text us a picture 1-888-275-6635 or email us a picture at noelsplumbingsupply@fuse.net.

We will make sure you have the right part.

WHAT OUR CUSTOMERS SAY…

“Love Noel's Plumbing Supply! They are one of my favorite oddball plumbing parts purveyors. As a professional plumber, I rely on sites like Noel's to keep antique and rare fixtures alive. My customers and I are so grateful! ”

-Danielle E.

03/25/2026