Uploaded December 2025 | Updated September 2026, 2 weeks ago

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Buy Here: korky.com/parts/flapper-seal-replacements/fits-american-standard-champion-seal

Is your American Standard Toilet Running? If you have a American Standard Champion 4 flush valve, the most common solution is to replace the seal, which can be blue, red, or clear. Korky flush valve seals are made with chemical resistant rubber that forms a strong seal that lasts.The Korky Fits American Standard Champion 4, available online and in-stores.