Kohler Part GP1078441 Flapper for Two-Piece Toilets with Class Five Technology, 3-1/4 in, Red Protect the warranty on KOHLER products, always look for the KOHLER GENUINE PARTS logo 3 1/4" flapper Used in various two-piece toilets with Class Five technology 3 1/4" made with corrosion resistent material Compatible with the following KOHLER models: Memoirs 4485, 4491, 3509, 3515, 3532, 3542, 11461, 4473, 4492, 3511, 3526, 3533, 3548, 11460, 11968, Bancroft 4633, 3487, Devonshire 4708, 3503, Cimarron 4634, 3496, 3497, 3499, 11465, 11466