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Description
K-GP1059291 Canister Flush Valve Seal - 5 PackK GP1059291 Canister Flush Valve Seal Key Features Package includes five seals. Constructed from a durable, chemical resistant material. Engineered to create a secure seal at the base of the flush valve. Outer diameter is approximately 3. 38 inches. Replaces Cross Reference Part Numbers Kohler: K GP1059291, GP1059291, 2475620, 1049291 Korky: 451 Compatibility & Fitment Fits most KOHLER single flush toilets equipped with a canister flush valve.
K-GP1059291 Canister Flush Valve Seal
Key Features
- Package includes five seals.
- Constructed from a durable, chemical-resistant material.
- Engineered to create a secure seal at the base of the flush valve.
- Outer diameter is approximately 3.38 inches.
Replaces / Cross-Reference Part Numbers
- Kohler: K-GP1059291, GP1059291, 2475620, 1049291
- Korky: 451
Compatibility & Fitment
- Fits most KOHLER single-flush toilets equipped with a canister flush valve.
- Compatible with Class Five and Class Six canister toilets.
- Works with models such as the KOHLER K-4436 tank.
When to Replace
- If the toilet runs continuously after the tank has filled.
- When water is audibly or visibly leaking from the tank into the bowl.
- If the existing seal is cracked, warped, or visibly degraded.
Installation Tips
- Turn off the water supply and empty the toilet tank before beginning.
- The seal is located at the bottom of the canister flush valve assembly.
- Clean the valve base and sealing surface before installing the new seal.
- Ensure the new seal is seated flat and evenly to prevent leaks.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Good product
Size: X-Large, Color: Black
Exactly what I wanted fit perfect true to size very comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
★★★★★ 2
Too short
Size: Medium, Color: White
Fit was okay, but the length was too short. I am 5'5" and if I tuck the shirt into my shorts or pants and raise my arms above my head, the shirt will pull out from my waistline/belt.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 3
Too loose
Size: Large, Color: Brown
The size ran too big/loose. For example, it you tend to wear Large, order a Medium for this instead.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
great value
Size: Small, Color: Dark Blue
excellent
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
★★★★★ 1
Construction is quite inferior and it stays badly wrinkled
Size: X-Large, Color: Dark Blue
Inferior construction. The mock turtle neck did not stay up but folded over.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
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