KOHLER 84676 Genuine Part Flush Valve Gasket

It works as it should but will likely fail in a shorter than satisfactory timeframe, thanks Kohler. Definitely do not use any chlorine-based tank chemical as it will destroy the gasket reasonably quick. Definitely a pain to install, but as others have suggested, like I did, put it between two pieces of tile, use a couple of C-clamps, put it in the freezer for a day as it makes it much easier to install. Do yourself a favor, and prior to putting the gasket in place understand the easiest position to get the assembly in place because it really is about finding that ideal position to start, insert and turn into place.

Great replacement. Did the trick to freeze it to be able to get it on and allow a tight seal when placing back in place.

Product worked great but was tough to install. It is doing a great job.

It's imperative to watch the trick about smashing it and sticking it in the freezer for some time before trying to install it. Otherwise it's extremely difficult to get mounted properly, unless you really like bloody knuckles.

Had to replace 15 year old gasket as it was disintegrating. The edges had turned to mush and it was leaking. Did not have any problems installing as others have indicated. . Three tries and it was on. It took about 5 minutes. I did mark the wall of the tank with a pencil beforehand with a line mirroring the angle of the top edge of the plastic flush valve while it was positioned correctly and corresponded to the insertion notches on the hole in the tank. Was then able to line up valve with gasket at the correct angle from the start so that I could focus on pressing them into the hole in the tank. Worked very smoothly.

Seals perfectly.

Helpful tip, squeeze and squish and clamp between two tiles or boards and freeze for 24 hrs for easy installation. Fits perfectly, no leaks!

Actually, not my time though. Based on the reviews, I put a heavy dumbbell (standing upright) on top of the seal and left it for about 4 hours. Then put the seal on the flush valve, lined up the valve with the clip indents, pressed firmly from the rear, and it turned right in. Thought this would be easier than compressing the seal and freezing it as others recommended.

was very easy to install

This product is as described and I'm very happy with the purchase and seller. Will use again.

Works fine

The installation method that worked for me was to squeeze it as flat as possible between two pieces of wood and compress with C clamps and then leave in freezer for a day. Once you take it out of the freezer and remove the clamps you need to work as quickly as possible as it will start to expand.