Kohler Tank Gasket
- Kohler GENUINE Part
- Made with durable material for a long lasting seal
- Fits Cayuga toilet K-3440
- Fits Wellworth Highline Trylon Barlow K-3510 K-3512 K-3514
51531
Kohler 51531 Tank Gasket
WHAT OUR CUSTOMERS SAY…
“I was at my witts end with a 39 year old American Standard faucet. It had been leaking for many, many months so I contacted American Standard. They referred me to Noel’s Plumbing. My faucet would not have been able to be replaced without removing the whole tub. They immediately contacted me and told me what to do. They stayed with me the whole time till I found the problem although they didn’t get a sale out of me they did fix my problem no more leaky faucet, I have them in my contacts now and will use them anytime I have a plumbing problem. Thank you Noels Plumbing for the best service I’ve ever had!! ”
-as
02/22/2024
$25.17
The Kohler 51531 (or K-51531) is a genuine OEM toilet tank gasket, designed to create a watertight seal between the toilet tank and the bowl. It is a replacement part used for plumbing repairs in various Kohler toilet models, including the Wellworth and Water-Guard series.
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.
Common questions about this product
Is this item the original manufacturer's recommended replacement part?
Yes, this is the OEM recommended part.
Is this the correct item for my application?
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…
“Really great experience getting parts for my 30-year old frost free silcocks. They not only had the parts available, but they were shipped within a couple of hours. Great job, thank you! ”
-Phil R
02/08/2026