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Kohler GP1105825 Toilet Flapper with Float

Red rubber flapper with yellow foam float and stainless chain.

chat iconWHAT OUR CUSTOMERS SAY…

“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

$15.27

 

The Kohler GP1105825 is a genuine replacement flapper and float kit designed specifically for 1.28 gallons per flush (GPF) toilets. It is primarily compatible with Sterling and select Kohler Windham two-piece 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: 54825 Category: Tags: ,

The Kohler GP1105825 is a genuine replacement flapper and float kit designed primarily for Sterling 1.28 gallons per flush (GPF) toilets. This red, 2-inch rubber flapper is engineered to fix common issues like “ghost flushing,” intermittent leaks, or continuous running by restoring a reliable seal against the flush valve.

 

GP1105825

 

  • Kohler GENUINE Part
  • Replacement flapper with float kit for various Kohler toilets
  • Engineered to promote product longevity
  • Made with premium materials for enhanced durability
  • For 1.28 gpf toilets only
  • For 1.6 gpf toilets, use GP85160
  • For use with Sterling Toilets

 

 

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 texted him a picture of the shower part from the 50’s I needed and he was able to identify it immediately. I ordered it and it showed up in two days! Very knowledgeable and friendly! ”
-Jim F.
02/04/2026