The Kohler 1083980 Genuine Part 3" Toilet Canister Flush Valve Kit is designed specifically for the Cimarron 4634 model toilet. This black flush valve kit includes a single flush valve with a flapper technology, making it suitable for standard bowl shapes in a bathroom setting. Made in the United States, this Kohler flush valve kit is a genuine part that ensures proper functionality and compatibility with the specified toilet model. Thanks for shopping our store!