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Kohler K-1203764 Canister Dual Side Flush Seal

Kohler K-1203764 Canister Dual Side Flush Seal

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“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

$8.47

 

The Kohler K-1203764 is a genuine replacement Canister Dual-Flush Valve Seal designed to prevent leaks and maintain optimal performance in specific Kohler toilet models. This flat silicone or rubber gasket is a critical part for dual-flush systems, particularly when the toilet begins to run continuously or leak between the tank and the bowl.

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: 12752a Category: Tag:

Stop that running toilet instantly with the Kohler K-1203764 Genuine Seal Kit. Engineered specifically for Kohler canister-style dual-flush systems, this premium silicone seal ensures a watertight, leak-free connection, restoring your toilet to peak efficiency.

 

K-1203764

 

  • Kohler GENUINE Part
  • Engineered to promote product longevity
  • Made with premium materials for enhanced durability

Common questions about this product

Is this item the original manufacturer's recommended replacement part? chevron-icon

Yes, this is the OEM recommended part.

Is this the correct item for my application? chevron-icon

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.

 

 

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