Kohler 87998 Toilet Flush Valve Kit

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“This place rocks! I have replaced two parts for an old Gerber faucet in the laundry tub. After the spout was leaking, I could not find the right washers anywhere. I had to replace the whole spout, which they had in stock, and it was priced competitively. Now, not a drop leaks. ”
-John D.
02/03/2024

$52.17

 

The Kohler 87998 is a genuine, 2-inch black plastic and brass toilet flush valve kit. It features a unique lug-and-twist style mechanism designed specifically to replace leaking or worn-out factory components inside select one-piece Kohler toilet models.

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: 987998 Category: Tag:

Is your Kohler toilet running constantly or flushing weakly? Restore peak performance with the KOHLER 87998 Flush Valve Kit. Designed exclusively as an OEM (Original Equipment Manufacturer) replacement, this corrosion-resistant flush assembly guarantees a perfect seal and reliable, whisper-quiet flushing.

 

87998

 

  • Kohler GENUINE Part
  • Flush valve kit for Gabrielle, Santa Rosa, and other Kohler toilets
  • Compatible with the following Kohler models: Santa Rosa 3323, 3803, 11899, Gabrielle 3322, 14257, 14258, 14286, Kathryn-3324, 14268 and other various models

 

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.

 

 

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02/23/2026