Model # K-GP1059291

Internet #202524230

Store SKU #509530

Store SO SKU #1000898323

KOHLER Seal for all Single Flush Class 5 and Class 6 Canister Toilets
0650531662644

KOHLER

Seal for all Single Flush Class 5 and Class 6 Canister Toilets

  • Compatible with KOHLER Class 5 and Class 6 canister toilets
  • Formulated to withstand wear from chemicals and general use
  • View Replacement Part List below to see all compatible toilets
$6.98 /each

Frequently Bought Together

Product Overview

This KOHLER Canister Toilet Seal is chemical-resistant to help provide durable use in class 5 and class 6 compatible canister toilets. This seal has a 2-1/2 in. I.D. and 3-1/2 in. O.D.

  • Genuine KOHLER part
  • Proprietary formulated yellow seal fights conditions that cause leaks
  • 3-1/2 in. O.D.
  • Compatible with class 5 and class 6 canister toilets (not included)
  • Chemical resistant
  • Resists chemical attacks
  • Withstands wear
  • Certified to ASME standard
  • Please see the Replacement Part List PDF to the right to view all items this part is compatible with

Info & Guides

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Customer Questions & Answers

17 Questions31 Answers

Customer Questions & Answers

Seal for all Single Flush Class 5 and Class 6 Canister Toilets
Seal for all Single Flush Class 5 and Class 6 Canister Toilets

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3 answers

how do I install a new seal cannister on a Kohler Highline class 5 toilet?

This question is from Seal for all Single Flush Class 5 and Class 6 Canister Toilets
Asked by
utah
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August 15, 2015
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Answers (3)

Asked by
Albuquerque, NM, USA
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September 20, 2016
Answer: 
The instructions/steps are simple. (1) Turn off the water. (2) Detach the center water feed located at the top center of the canister. (3) Lift up the canister cylinder. (4) Reach below the canister cylinder and grab the center post as low as possible, turn the post counter clockwise, and remove the canister assembly. (6) Replace the canister seal. (7) Reverse the steps and re-install the canister, etc.
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Asked by
Tampa, Florida
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Home Improvement Profile: DIYer
September 29, 2015
Answer: 
its totally easy, empty the water, twist out the canister lift up replace seal twist back into place,done
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August 17, 2015
Answer: 
Hello, my name is Justine with KOHLER Customer Service. I am happy to assist you with your canister question.
We would love to be able to help you with the installation of your seal canister on your toilet however this would could be much easier explained by calling our customer care line at 1-800-4KOHLER (1-800-456-4537)
Thank you for your inquiry and choosing the Bold Look of KOHLER.
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3 answers

how do i know if the seal is leaking or if the fill valve is the problem?

This question is from Seal for all Single Flush Class 5 and Class 6 Canister Toilets
Asked by
birmingham, al
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November 21, 2014
Hi. Hoping to make a repair to a toilet that will not fill without an expensive plumber visit. The toilet tank is not filling with water. The water just runs and runs and never fills. It is a canister style toilet flapper with a fluidmaster 400 antisiphon flush valve. The toilet is a 2007 Kohler class 1033131

Is it likely that it is the seal that is leaking on the canister or a problem with the fill valve. I feel qualified to replace a seal. I've don't that successfully on flapper style toilets.

Thank you for any advice!
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Answers (3)

Asked by
Egg Harbor Township, NJ, USA
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Home Improvement Profile: DIYer
August 9, 2016
Answer: 
The old seal will be soft, pliable and stretched larger. Replace the seal.
Somehow my seal moved to the top side of the canister not sealing at all. Replaced with a new seal and in its proper position and it worked perfectly.
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Asked by
Mason, OH
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Home Improvement Profile: DIYer
February 3, 2015
Answer: 
I'd try the gasket first, it's the least expensive solution. If the existing gasket is more than a few years old it's likely the source of your problem.
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November 24, 2014
Answer: 
Hello, my name is Justine with KOHLER Customer Service. I am happy to assist you with your toilet question.
I apologize but we will need to know the model number of the toilet which will be inside the tank just above the water line. It will most likely be just replacing the flapper or the fill valve but I recommend that you call our customer care line at 1-800-4KOHLER (1-800-456-4537) and they can walk
Read More
Hello, my name is Justine with KOHLER Customer Service. I am happy to assist you with your toilet question.
I apologize but we will need to know the model number of the toilet which will be inside the tank just above the water line. It will most likely be just replacing the flapper or the fill valve but I recommend that you call our customer care line at 1-800-4KOHLER (1-800-456-4537) and they can walk you through any other scenarios and recommend what part may be needed.
Thank you for your inquiry and choosing the Bold Look of KOHLER.
Read Less
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3 answers

What is the part # for the special tool / wrench needed to replace the Kohler GP1059291 Seal for All Single Flush Class 5 & Class 6 Canister Toilets?

This question is from Seal for all Single Flush Class 5 and Class 6 Canister Toilets
Asked by
Williamsburg, VA 23185
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February 16, 2013
This question is for the older style 2 piece Kohler toilets (model 4634-AA) with the 3 and 1/4" flapper valve. Notice the extra large nut holding the assembly onto the tank. It's obvious that in order to remove the seal inside the toilet, the entire flush assembly around the flush hole must be removed. That means loosening the extra large nut holding it on from the bottom. But I can't find the part # of the specail tool / wrench needed. What is it?

The attached picture shows the bottom of the tank and me trying to replace the wrong part only to realize the part I got was small enough to fit inside the flush hole. This model has a 3.25" flapper valve, not a 2" flapper valve. Getting off the extra large nut is the main problem and needs a special tool or wrench.
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Answers (3)

Asked by
Phoenix AZ
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October 28, 2014
Answer: 
No tools were needed.. shut of the water hold the handle up and you can get to the seal at the bottom of the canister. My old one got sticky and was hard to flush. There is a little plastic that you twist to release the canister. Check the web site for a directional video..
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Asked by
Williamsburg, VA
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February 26, 2013
Answer: 
You're right, you don't need a special tool but you're wrong that you can reach in and turn the assembly with the overflow tube on it. The entire assembly is held in place by a large plastic nut under the tank, see pictures. But I am not about to buy a wrench that can turn a nut over 4 inches in diameter. Time to call the plumber or find a friend with a large wrench, my irrigation man in fact. Trying to Read More
You're right, you don't need a special tool but you're wrong that you can reach in and turn the assembly with the overflow tube on it. The entire assembly is held in place by a large plastic nut under the tank, see pictures. But I am not about to buy a wrench that can turn a nut over 4 inches in diameter. Time to call the plumber or find a friend with a large wrench, my irrigation man in fact. Trying to twist the assembly only gives you a hernia. Read Less
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Asked by
KohlerCo.
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February 18, 2013
Answer: 
Thank you for your inquiry. I apologize but there is no special tool/wrench needed to replace th GP1059291. What you need to do is take the piece that the rim feed hose goes through the middle of and turn it counter clockwise and it will unlock; pull out that piece and then the outside shell that the gasket is attached to will come out; lastly take the old seal off and put the new seal on.
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3 answers

how do i remove & install this washer?

This question is from Seal for all Single Flush Class 5 and Class 6 Canister Toilets
Asked by
tom
November 28, 2012
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Asked by
Hood River, OR 97031, USA
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Home Improvement Profile: Professional
March 15, 2016
Answer: 
There is a youTube video which will guide you. It is not really difficult.
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Asked by
San Diego, CA
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December 1, 2013
Answer: 
Turn off the water supply to the toilet.
Pull out the soft rubber tube that connects to the top of the filler column in the center of the tank.
While gently twisting, pull out the big tube in the center of the tank. It has a T shaped catch at the bottom that will pull out. Don't work too fast, be patient and it pulls out. It'll flush when you pull it out.
The rubber ring at the bottom diameter just pulls
Read More
Turn off the water supply to the toilet.
Pull out the soft rubber tube that connects to the top of the filler column in the center of the tank.
While gently twisting, pull out the big tube in the center of the tank. It has a T shaped catch at the bottom that will pull out. Don't work too fast, be patient and it pulls out. It'll flush when you pull it out.
The rubber ring at the bottom diameter just pulls out of the end of the big tube you just removed. there's no glue or fasteners, it's just resting in a groove.
put in the new ring.
push the big tube back down (now that it's out you can see the T at the bottom of the tube and if you look into the tank you can see where it fits into. it's obvious once it's apart.
look to see that the new ring is concentric in it's seating.
turn the water back on.
if it still leaks after you replaced it, repeat these steps making sure to properly load the rubber ring into it's seat.
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Asked by
KohlerCo.
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November 29, 2012
Answer: 
Thank you for your inquiry. I recommend contacting our Kohler Customer Service Department and speaking to a technician who could walk you through removing and installation. The toll free number is 1-800-456-4537.
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Customer Reviews

Seal for all Single Flush Class 5 and Class 6 Canister Toilets is rated 4.6 out of 5 by 138.
Rated 5 out of 5 by from Easy replacement Is very easy to replace and inexpensive also. If your toilet wont stop running, this is usually the first thing to look at. With 3 toilets in my house, I've had to replace all 3 seals after 6 years from installation.
Date published: 2016-12-21
Rated 4 out of 5 by from Kohler toilet seal replacement Installation was simple, the toilet stopped leaking, and the new (yellow) gasket is supposed to resistant to chemicals. I hope it last longer than the old (red) gasket, which lasted about 4 years.
Date published: 2016-09-20
Rated 5 out of 5 by from Leaking Toilet Fix Seal was easy to install and fixed leaking Kohler toilet. Excellent installation instructions via video
Date published: 2016-08-09
Rated 3 out of 5 by from I bought the Kohler replacement for a Kohler toilet that is only about 3 years old and maybe not ... I bought the Kohler replacement for a Kohler toilet that is only about 3 years old and maybe not that old. I know that there is a compromise involved in producing a seal that can a) prevent leaks and b) resist chlorine and other chemicals found in city treated water. The replacement is simple and the seal looks absolutely identical to the old one. There are videos online to show you how to remove the piece that holds the seal. The price is where I have an issue with this seal. It seems like a lot of money for a very small amount of material that should be simple to produce. Even if the part is die cut and the center is a large amount of throw away material it still seems expensive for something that should be done as a high volume production item and is still being produced on a daily basis.
Date published: 2016-12-06
Rated 5 out of 5 by from Installing toilet tank flush seal . The seal was easy to install,you must turn the water off in order to install, the instructions were labeled under the tank from the the toilet as to how to remove a certain part where the seal is located, I also went to you tube and I found a real good demonstration due to the fact that the parts are plastic, being careful,having the right part all went well , no more leaky toilet sound in the middle of the night, and I save money by not bringing in a plumber !
Date published: 2016-09-20
Rated 5 out of 5 by from Stop a Leak The yellow seal to replace the old leaking red seal worked perfectly. No more leaks and running toilet in the middle of the night. Replacement was a breeze. Takes a few minutes to replace. Look online for video if you have questions on replacement. Removing the canister is tricky because while turning it almost seems like you are going to break the plastic. Use two hands to twist from top & bottom.
Date published: 2016-08-09
Rated 5 out of 5 by from Wife used chlorine tablets to keep the bowl clean. Just 1 tablet in each toilet, prompted both t... Wife used chlorine tablets to keep the bowl clean. Just 1 tablet in each toilet, prompted both to start continuously running almost on the same day. There is a sticker inside of the water canister that states not used use them for leakage could occur. This fixed both like a charm. perfect, simple to install, did both in about 10 minutes.
Date published: 2017-01-12
Rated 5 out of 5 by from Great Toilet, but be Aware HD doesn't sell replacement parts for Koehler I have another Koehler toilet in my house, and the seal on the flushing mechanism started leaking so I went to get a new gasket to replace it. The only replacement part Home Depot sells in the little rubber seal that I needed, and it was $7. The sales associate said you have to order any other parts directly from Koehler
Date published: 2016-10-04
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