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Kohler GP88921 Red Flush Ball Flapper

Bright red rubber tank ball with brass threaded connection.
Kohler GP88921 Red Flush Ball Flapper - Image 2
Kohler GP88921 Red Flush Ball Flapper - Image 3
Kohler GP88921 Red Flush Ball Flapper - Image 4
Kohler GP88921 Red Flush Ball Flapper - Image 5

chat iconWHAT OUR CUSTOMERS SAY…

“Fantastic! I walked in with parts to the faucet in my vintage sink and walked out with everything I needed. Chain hardware stores suggested I get a whole new sink and/or would not be able to do it without a plumber. The employee at Noels took a quick look, knew what it was, and had it in stock. I was able to fix my sink in two minutes with their help! ”
-Elizabeth A.
03/14/2021

$21.47

 

The Kohler GP88921 (or K-GP88921) is a genuine replacement 2-inch Red Flush Ball Flapper designed specifically for older Kohler one-piece toilets with a 3.5+ gallons per flush (gpf) rating.

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: 12875 Category: Tag:

Genuine Kohler GP88921 2-inch Red Flush Ball assembly for older one-piece gravity toilets. Engineered for durability, this corrosion-resistant flapper is designed for 3.5+ GPF models, including the Palarre, Rochelle, Champlain, and Pompton. Replaces old part numbers including 51230, 88548, and 95153.

 

  • Kohler GENUINE Part
  • 2″ flapper used in various older one-piece 3.5+ gpf toilets
  • Corrosion resistant flush ball
  • Compatible with the following Kohler Models: Palarre 3383, Rochelle 3385, Champlain 3390, Pompton 3400

 

GP88921

 

Related Documents

 

K-3383 Palarre Toilet Parts Breakdown

 

K-3400 Pompton Toliet Parts Breakdown

Common questions about this product

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.

 

 

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

Yes, this is the OEM recommended part.

chat iconWHAT OUR CUSTOMERS SAY…

“I was very happy with Noel’s Plumbing. I was searching for a fairly rare part and saw it listed on their website. After placing my order, I was informed that the item was actually on backorder. Noel’s Plumbing was upfront and honest right away, letting me know it might take some time to arrive. Throughout the wait, they consistently kept me updated, which I really appreciated. When the part finally came in, they shipped it out immediately. It arrived exactly as described and was precisely what I needed. Excellent communication, honesty, and follow-through. Thank you, Noel’s Plumbing! ”
-Dave F.
04/04/2026