Standard 2 inch flapper and fill valve in toilet tank

Niagara®

Toilet Flapper & Replacement Parts

The purpose of the toilet flapper is to regulate the flow of water to the toilet bowl.

Invented by Korky in the 1950s, the original toilet flapper is the preferred choice among plumbing pros. With a wide array of flappers, our universal and specific fit flappers are sure to meet the needs of your toilet.

Korky designs many types of replacement parts to fit Niagara toilets.

  • Flapper & Seal Replacements
  • Fill Valve Replacements
  • Flush Valve Replacements
  • Wax Free Gaskets
  • Tank Levers
  • Tank to Bowl Gaskets
  • Plungers
  • Accessories
  • Kits

Find your Niagara toilet replacement parts below.

Toilet Genius

Find the Right Part. Fix Your Toilet.

Our Toilet GeniusSM assistant will help you find the right parts and support to keep your toilet flushing.

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