Complete detailed how to video rebuild of this Kohler toilet with the Coast 1B1X fill valve useing the Kohler 84499 conversion kit that includes all new tank parts include fill valve ( ballcock), flush valve (overfill tube & flapper) assembly as well as rim feed tube, float arm and float. Kohler 84499 1B1X Toilet Conversion Kit Features: ‧ Genuine Kohler Replacement Part ‧ Complete rebuild kit for toilet ‧ Includes fill valve flush valve flapper and needed gaskets ‧ Cabernet 3401, 3408, Palarre 3383, Pillow Talk 3378, Rialto 3402, 3804, Rochelle 3385, San Raphael 3397