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Step 1: Turn off the water (at toilet's base). Step 2: Flush the toilet and ensure that the tank is fully empty (flush again if necessary). Step 3: Un-clip the flush chain. Step 4: Twist the stem counter-clockwise - this will require some force and you will hear a click. Step 5: Lift the flushing unit out from the toilet tank. Step 6: Replace the old seal with your new seal (only one seal per toilet). Step 7: Put the stem back in and twist clockwise to tighten. Step 8: Reinstall the flush chain. Step 9: Turn the water back on. Perfect replacement for your Kohler (TM) K-GP1059291 Canister Flush Valve Seal (yellow color). Made from high-quality, durable rubber. Equivalent to part K-GP1059291 / 2475620.
2-Pack of Compatible Canister Flush Seal Valve Seal Gasket Replacements for single Flush Toilets for KOHLER equivalent to part K-GP1059291/2475620-yellow color. - B07DNW14B7