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🦈 Seal the deal with KOHLER’s Shark-Fin flapper—flush smarter, not harder!
The KOHLER Genuine Part GP1078440 Shark-Fin Flapper is a 2-inch corrosion-resistant rubber replacement designed specifically for select KOHLER one-piece toilets. Engineered by KOHLER to ensure a perfect fit and maintain original flushing performance, this durable flapper prevents leaks and promotes water efficiency. Easy to install in under two minutes, it’s the trusted choice for maintaining your KOHLER toilet’s reliability and longevity.

| Asin | B001GZUMTC |
| Best Sellers Rank | #14,517 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #7 in Sink & Bathtub Faucet Spouts #18 in Toilet Flappers |
| Brand Name | Kohler |
| Color | Red |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,546) 4.6 out of 5 stars |
| Global Trade Identification Number | 00650531662668 |
| Included Components | TOILET FLAPPER |
| Item Type Name | KOHLER GENUINE PART GP1078440 FLAPPER (SHARK-FIN) |
| Item Weight | 1.8 ounces |
| Manufacturer | KOHLER |
| Manufacturer Part Number | GP1078440 |
| Material Type | Rubber |
| Model Number | GP1078440 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Shape | shape |
| Unit Count | 1 Count |
| Upc | 650531662668 |
User
Perfect fit, easy installation.
When I remodeled my bathroom I installed a Kohler toilet. It is a quality fixture that is still going strong. The only thing that I had issues with was a faint trickle of water that kept going into the bowl. That indicated that the flapper had seen better days, it was not making a good seal and it was time for a replacement (just take a look at my photo and compare the old and new one. LOL!)To make sure I ordered the correct part I looked at the model of the flushing equipment in the tank and from that I found the correct flapper. There were other makers that make flappers that would also fit my toilet. The difference in price was less than $5, a negligible amount between a genuine Kohler part and a knockoff. So of course I got the real deal. Installation was less than 2 minutes, from shutting off the water feeder valve to reopening it again and flushing the toilet to test it. Works like a charm and no more trickling water in the bowl. If you have a Kohler toilet find the model of the existing flushing equipment (written on the top of the plastic tube inside the tank) and from that find which flapper you need.
User
works well
great replacemest true fit
User
OEM Part Good Quality.
This OEM Toilet Flapper works perfect and creates a good seal. Flexible and durable, should last a while. Beware of knock offs, I ordered 3 other types that didn't work and returned. Would order again...
User
OEM product, works great
Worked to fix Kohler toilet. Easy install.
User
Worked with my Kohler Toilet, but chain is too short
This flapper was easy to install and fit my toilet. Unfortunately, the chain was too short, so I had to use the chain from the old flapper to make this new one work with my toilet.
User
Good Quality
Good brand- works as designed
User
Works great
Always buy genuine Kohler parts. They always work
User
Funcional
Funcional
User
Funciona
Funciona
User
Great product.
Perfect fit. Easy to install.
User
Fits perfectly.
No water seepage at all. Way better than similar universal one.
User
Es lo que requería ya que otros productos similares no sirvieron
Que es exactamente para el tipo de baño que tengo. Evita fugas de agua.
User
Works perfectly no leaking, just a very short chain
This flapper works good (see type of toulet in the video). I had no idea if it would fit because i had a diffrent flapper before but could not find it anymore so i had to go with this one that's general. I don't understand why they make the chain so short, o mean a couple of links more would be better and definatly work for all 2" toilets. I do recomand buying this flapper if you don't find your old brand it should fit just fine just remember to keep a couple of links from thw old one. As for durability I can't say but i guess it ahould be the same as any other silicone flapper between 3-5 years to perform right. A+
Trustpilot
1 day ago
4 days ago