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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

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-Danielle E.
03/25/2026

$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

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

Yes, this is the OEM recommended part.

chat iconWHAT OUR CUSTOMERS SAY…

“Texted these guys on Saturday when they were closed and they answered me back. Ordered on Sunday and arrived at my house Wednesday. Put part in and so far so good. Never talked to anyone and order went flawless. Will order from again. Great shipping, came UPS. Thanks guys for your help. ”
-Travis P.
07/28/2024