Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers praise this toilet repair kit for restoring function like new, reducing noise, and improving flushing efficiency. Most highlight clear written and video instructions—including QR code tutorials—that make installation accessible for DIY beginners. Many report lasting, reliable performance with toilets flushing quietly and filling faster. However, some encounter fit issues with the tank-to-bowl gasket or flush valve components, particularly with non-standard toilets, and a few note metric bolts that are too short or low-quality washers. Despite these drawbacks, most satisfied customers intend to repurchase or use it on additional toilets.
Customer review summary generated by AI, including incentivized reviews.It will make your toilet flush like new
Would RecommendI needed to replace my flush valve and this toilet repair kit surpassed my expectations.
Verified Purchaser
No 3 inch flush valve
Purchased this kit because of the 2X stronger materials hoping to fix my toilet in one trip. Well I will have to make another trip because I need a 3" flush valve and the one Korky makes is not made of 2X stronger materials.
Reasonable pricing.
Would RecommendEasy to install.
Verified Purchaser
Best toilet repair kit
Would RecommendI have repaired/replaced a lot of toilet components in my lifetime, and the Korky repair kit is by far the easiest to install and adjust. I liked it so much I bought another kit for my spare bathroom because it has an old style float operated fill valve. With both toilet components replaced with the Korky kit I won't have to worry about any issues for years to come.
Verified Purchaser
Looks good out of the package
Would RecommendIt says to be better built, it fits good but none of the others have lasted. I will revisit this review in one year and give it a good review and change my rating.
Verified Purchaser
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It works great!
Would RecommendIt was pretty easy to install. The worst part was dealing with the black gasket components on the old one. As they degrade over the years, the black easily rubs off on everything, including the tank walls, your hands, and anything else they touch. I thought it was especially helpful that they have made an instructional video for changing out the old one and installing this new one. They give you the web address as part of the instructions.
Verified Purchaser
We are happy to hear that your product is working well for you. Thanks for choosing Korky and for your great review!! If you have additional question...

Korky toilets work better and last longer.
Would RecommendIt works great. The old part would leak sometimes,
Verified Purchaser
Almost everything you need
Would RecommendFairly easy to install. Not quite everything-you-need as the box states. Needed to return to Lowe’s for a new handle - the old Mansfield handle would not work with the new Korky kit.
Verified Purchaser

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