KOHLER series fill valve service kit - 2475605 This is highly durable This is manufactured in MEXICO Kohler Genuine Part For most Kohler toilets Adjustable Kohler Genuine Part, Fill Valve, For most Kohler toilets.
There is a review indicating that these are the same fill valves but they are very different. The kohler valve is different in the top head piece is a double cover, one with the twist lock mechanism and the other with the molded piece at top. The rubber valve is also different. The adapters which are part of the Kohler mechanism do not inhibit the flow. The use of the angle stop to inhibit flow is probably not a good long term solution as the valve would build up d..