Kohler Seal 83888 | Noel splumbing Supply

“Kohler K-1083980 3″ Toilet Canister Flush Valve Kit” has been added to your cart. View cart

WHAT OUR CUSTOMERS SAY…

“Order received and installed. Thank you very much (spoken mentally in my best Elvis voice). Really is nice to know that there is still a business out there that's got their act together! Appreciate the quick service and correct parts shipping. Thanks again.. jP ”

-Jack P.

04/02/2026

$12.47

The Kohler GP83888 is a genuine gray rubber flush valve seal gasket designed specifically to seal the 2-inch flush valve to the toilet tank on various Kohler one-piece toilets. It functions as a plumbing repair sealing washer that stops water leaks and prevents ghost flushing.

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: 12623A Category: Toilet Repair Kits Tag: Kohler

Share on:

Is your toilet constantly running or leaking between the tank and the bowl? Restore your toilet’s efficiency with the Genuine Kohler K-GP83888 Flush Valve Gasket. This high-performance rubber seal is specifically engineered to stop leaks and restore optimal flushing power in your toilet.

GP83888