Skip to content
Free Local Pickup Ship to Your Hometown Store
Pro & Contractor Accounts Apply for Net Terms
100,000+ Products Trusted American Hardware Brands

Korky Toilet Flapper Black Rubber For Universal

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Meet the Korky Universal Toilet Flapper in black rubber — a purpose-built replacement that restores flushing efficiency and stops leaks with a simple, reliable seal. Built to fit a…

Korky MPN 54CP In Stock & Ready to Ship
Local Price Check i Local stores may price this as low as $47.99. Our online price is $52.99.
$52.99
Includes free shipping on orders over $75 · $8.99 standard below
Delivery in as little as 1–4 business days Order within for same-day shipping
Shop Local · Support Independent

Every order helps keep your local hardware store on the corner.

Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

About Product Overview

Meet the Korky Universal Toilet Flapper in black rubber — a purpose-built replacement that restores flushing efficiency and stops leaks with a simple, reliable seal. Built to fit a wide range of tanks, this universal flapper is the smart, durable choice for DIY repairs, rental properties, or any maintenance kit where predictability matters.

Key benefits and how it helps you:

  • Universal compatibility — designed to fit most standard toilets, so you don’t have to hunt for a model-specific part. The universal design makes replacements straightforward and less stressful for quick repairs.
  • Rugged rubber construction — a resilient diaphragm that maintains a dependable seal over time, reducing the chance of leaks and preventing those wasteful, ghost runs that drive up water bills.
  • Consistent performance — shaped to seal evenly and return to the closed position reliably after each flush, helping your toilet operate smoothly again without frequent adjustments.
  • Ready-to-use value — with 12 flappers in a boxed pack, you’ve got multiple replacements on hand for the family bathroom, rental units, or maintenance stock, so you’re never caught without a seal when it matters most.

Product details at a glance

  • Brand: Korky
  • Product Type: Toilet Flapper
  • Material: Rubber
  • Color: Black
  • Fits: Universal
  • Number in Package: 12
  • Packaging Type: Boxed

Who benefits most from this universal Korky flapper? Homeowners tackling a running toilet or a stubborn leak, landlords stocking essential maintenance supplies, and facilities teams servicing multi-unit properties. It’s especially valuable when you’re replacing worn flappers that have lost elasticity or don’t seal properly anymore, helping you avoid costly water waste and annoying toilet noises.

How to get the best results with this replacement: ensure the flapper’s seal sits evenly across the flush valve and aligns with the overflow tube. If you’re upgrading from a degraded flapper, the universal fit combined with robust rubber material offers a dependable lifecycle that makes future maintenance predictable and less disruptive.

The Details Specifications

Brand Korky
SKU 4001386
UPC 049057104132
Unit 0
Case Pack Quantity 1 per case
Retail Unit Quantity 1
Unit of Measure 12 BX
Dimensions (L × W × H) 7 × 10 × 5
Weight 2 lbs
Cubic Feet 0.20168 ft³
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare