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Kohler 1244399 3″ Toilet Canister Flush Valve Service Kit

Black plastic body with bright yellow cap and black rubber seals.
Kohler 1244399 3" Toilet Canister Flush Valve Service Kit - Image 2
Kohler 1244399 3" Toilet Canister Flush Valve Service Kit - Image 3

chat iconWHAT OUR CUSTOMERS SAY…

“After trying all over my area, I couldn't find the part for the faucet in my older house. The part I needed was found on the first try on their website and ordering was very easy. It was after hours, but someone responded to my text right away. The part was shipped the next business day. After putting the new part in the faucet works better than it has for years! ”
-Mark B.
06/25/2026

$34.17

 

The Kohler 1244399 is a genuine Kohler canister flush valve service kit used for maintaining and repairing flush valves in specific Kohler toilets. It is a 2-inch or 3-inch valve depending on the specific product variant, and controls the flow of water from the toilet tank into the bowl during 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: 12779a Category: Tag:

Stop leaks and restore your toilet’s original flushing power with the Kohler 1244399 Canister Flush Valve Kit. As a genuine KOHLER replacement part

 

1244399

 

  • The valve controls the flow of water during flushing to ensure effective and powerful performance.
  • It is designed for use with specific Kohler toilet tank model numbers, including K-3981, K-6424, K-6428, K-4418, and K-4369.
  • This valve is an essential component that controls the flow of water from the toilet tank into the bowl during flushing, ensuring reliable and efficient performance.

 

Customer submitted images. 

 

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.

 

 

chat iconWHAT OUR CUSTOMERS SAY…

“I sent in photos of a broken cartridge (still installed, couldn’t take it out myself due to water shut-off restrictions in a condo) and even with the limited view they were able to tell me the exact part I needed so I could have it ready for the plumber (meaning I didn’t need to pay for a plumber to come out twice!!) ”
-Alaina W.
06/27/2026
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