Hi itgseb, this is Sarah with Kohler Customer Service. I'm glad to answer your question. Yes, the GP1018165-A has been redesigned, and is now part number GP1018165-F. This gasket is compatible with your toilet. Thank you for choosing Kohler.
Hi, this is Laura with Kohler Co. I am happy to assist you with your question. To determine if this gasket fits your toilet, please click on the link Replacement Part List under the Info & Guides heading, and look for your toilet/tank number on this list. The tank number is stamped on the interior back wall of your tank. Thank you for choosing KOHLER.
Hi, this is Laura with Kohler Co. I am happy to assist you with your question. Please call our Customer Care Center at 1-800-456-4537 (M-F, 8am-5pm CST) with the model number of your toilet; this is found stamped on the interior back wall of the tank. K-84591 is the tank cover for a number of Wellworth toilets. Thank you for choosing KOHLER.
My tank is a Kohler and it was a direct ft.
Remove tank from bowl. Remove gasket / seal from tank. Clean both surfaces. Seat gasket on tank and place tank on base. Tighten, but do not over tighten the fasteners. Enjoy leak free service.