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 just wanted to thank you for your incredible service! I ordered Sterling Chrome Plate Handles on Monday late afternoon and they arrived today, Thursday early afternoon. They are exactly what we needed and are now installed and working perfectly.
You are the BEST!!!
”
-Margaret Z.
10/20/2022
$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.
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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…
“The cartridge in my kitchen sink broke last week so I've been without that sink for a whole week. I ordered a replacement from Noel's, which I could not find anywhere else and it worked perfectly. Thank you! You saved me! ”
-Matt F.
09/19/2025