Replacement Kohler Cimarron Toilet Flapper GP1039444 3-1/4-Inch Flapper Class 5 3-1/4-inch flapper  for Kohler Cimarron and Memoirs Compatible with the following KOHLER models: k-11889, k-3451, k-3453, k-3489, k-3802 Repair deteriorated flush valve seats without removing tank. Solid frame for ultimate reliability. Chlorine and hard water resistant. Stainless steel D-Chain, loop hook, and chain tube. Made in the USA