Korky 3010BP Class Five Flapper For Kohler Toilet Repairs - Replaces Kohler parts 1016546 and 1042313 - Large 3-Inch Flapper - Made in USA FITS KOHLER CLASS FIVE TOILETS - Replaces Kohler number 1016546 and 1042313 (not compatible with 1-piece Kohler toilets or 2-inch flush valves) The Class 5 Flapper works with the following Kohler toilet models and tank numbers, Bancroft (3487, 4633), Cimarron (3496, 3497, 3499, 4634, 11465, 11466), Devonshire (3503, 4708), and Memoirs (3515, 3526, 4491, 4492) QUICKLY FIX running and leaking toilets and eliminate costly water waste MADE IN USA - Proudly made in America and backed by a 5 year warranty EXCLUSIVE LONGEST LASTING red rubber resists chlorine, bacteria, city water treatment, hard water, and well water MADE OF FLEXIBLE RUBBER for a tight seal on most flush valves EASY TO INSTALL, the 3010BP includes: (1) Large Flapper and (1) Stainless Steel Chain Committed to Quality Made in USA Longest Lasting Products Quick &amp; Easy to Install Bacteria, chloramines, chlorine, city water treatment, hard water, well water and rust