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Your cart is empty.Flushline’s replacement toilet flapper for Kohler Class 5 GP1016546 and GP1042313 toilet is a perfect fix to your flushing issues. This 3-inch flapper also fits Kohler’s Bancroft 3487 and 4633, Cimarron 3496, 3497, 3499, 4634, 11465, and 11466. This heavy-duty flapper is easy to install, and includes stainless steel D-Chain and loop hook to eliminate chain fall-off. This flapper is a large bulb design, which fits toilets that are 2 pieces, made since 2005. FlushLine’s flappers are made of state-of-the-art Dura-Chlor. Dura-Chlor is a chemical resistant, code compliant material that provides the highest quality and ensures a consistent seal every single flush. It is resistant to chlorine and hard water. Each FlushLine flapper comes in a specially engineered box that ensures the integrity of each flapper’s shape. FlushLine flappers are made in the USA. Why FlushLine Flappers? Traditional toilet flappers are made of rubber and can deteriorate over time. This is caused impart to the toilet bowl cleaners you drop into the tank or by chemicals used by utilities. Over time rubber flappers will deteriorate thus causing your toilet to leak. FlushLine’s flappers, however, are made of chemical resistant Dura-Chlor. Dura-Chlor is a chlorine resistant, code compliant material that provides maximum trouble-free performance to your toilet. Each Flushline flapper is made with pride in the USA. Replace or fix your toilet flapper with a FlushLine toilet flapper.
E. W. Cowan
Reviewed in the United States on March 22, 2025
Before you buy, take to measurements. One of the sealing surface this is the measurement provided about the product. The other measurement is the attaching ear spacing. The sealing surface measurement was the size I needed, but the mounting ears were at the same distance and would not install on my toilet as it requires a narrower ear spacing.
Ginny
Reviewed in the United States on January 28, 2025
Exactly like the 15 year old flapper it was replacing!
CH
Reviewed in the United States on August 26, 2023
Item fits perfectly, And was just what we needed. Will not need to return it. Thank you.
Art
Reviewed in the United States on August 19, 2023
Item was exactly what was described and exact replacement part
Patrick
Reviewed in the United States on October 3, 2023
6/15/24 Update Valve leaked in less than 1 yr. The top of the Rubber top looks like it has lost its original shape and is now distorted and leaks. Cleaning did not work. I Paid extra trying to get a good one. Bummer.Went for my very difficult to flush very. stiff. bulb. to this smooth and very flexible. flapper valve.. Went from approximately 10 pounds of force. To less than one pound of force. Unbelievable That a stiff flapper valve. could make the toilet hard to flush. The old valve did not leak. I paid a little more for this. but it was worth it. Would not hesitate to buy again? I went from too stiff to soft and just right.
Cheryl Customer
Reviewed in the United States on October 13, 2023
This part as was just what I needed, and the fit was perfect also very easy to install. Thank you.
Vestlund
Reviewed in the United States on April 23, 2022
I’ve tried to adjust the chain, but it still does not stay open long enough for the toilet to flush out everything like the original did. Unless you hold the flusher down manually.After some more adjustment I got it to work. Its working fin now
SS
Reviewed in the United States on April 6, 2020
Bought two made by kohler at home depot. They were designed for my toilet. They didn’t fit properly. The toilet was endlessly running because the actual flapper wouldn’t go down without using a stick or your hand to close it in place. This pack is less expensive and worked easily. Didn’t put any effort, it hooked in & the rubber bulb end fit perfectly.
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