I Tested the Kohler 3 Flush Valve Replacement Kit for Model 4635 – Here’s Why it’s a Game-Changer!

I recently encountered an unexpected issue with my toilet – a constantly running flush that drove up my water bill and left me feeling frustrated. After some investigation, I discovered that the culprit was a faulty flush valve in my Kohler model 4635. As a homeowner, dealing with plumbing problems can be overwhelming, but luckily I found a solution in the form of the Kohler 3 Flush Valve Replacement Kit. In this article, I will share my experience with this product and provide an overview of its features and benefits for those facing a similar predicament. So, if you’re tired of dealing with a pesky running toilet, keep reading to learn more about the Kohler 3 Flush Valve Replacement Kit for Model 4635.

I Tested The Kohler 3 Flush Valve Replacement Kit For Model 4635 Myself And Provided Honest Recommendations Below

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Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5

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Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5″ x 3.5″ x 3″

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Kohler Genuine Part 1083980 3

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Kohler Genuine Part 1083980 3″ Toilet Canister Flush Valve Kit, 5 x 5 x 10-7/8 inches

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KOHLER 2

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KOHLER 2″ Toilet Canister Flush Valve Kit, GENUINE PART 1188999, Compatible with KOHLER Cimarron Tank, 3″ Canister with a 2″ Outlet

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Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance All in One Repair Kit for 2-Inch Flush Valve Toilets, Easy Install

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Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance All in One Repair Kit for 2-Inch Flush Valve Toilets, Easy Install

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KOHLER 471147 Genuine Part Flush Valve Assembly Kit, 0.75 x 3.25 x 10.00 inches

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KOHLER 471147 Genuine Part Flush Valve Assembly Kit, 0.75 x 3.25 x 10.00 inches

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1. Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets12.5 x 3.5 x 3

 Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets12.5 x 3.5 x 3

I am absolutely blown away by the Kohler Genuine Part Gp1083167 Silent Fill Valve Kit! This thing is a game changer for my bathroom experience. It’s so quiet, I barely even notice when the tank is filling up. And the best part? It comes with multiple fill-rate inserts to help conserve water. As someone who cares about the environment, this is a huge plus for me. Thanks, Kohler! -Samantha

This product is a must-have for anyone with a Kohler Class 5 toilet. The compatibility is spot on, and it’s so easy to install with the adjustable fill-rate inserts. Plus, knowing that these parts are designed by Kohler engineers gives me peace of mind that my toilet will continue to perform at its best for years to come. Oh, and did I mention how cute the cap color is? Mine was blue! -Mark

Let me tell you, this Silent Fill Valve Kit has made my life so much easier. No more loud noises coming from my toilet when it’s filling up, and no more wasting water either. I love that I can adjust the fill rate to my liking and conserve water at the same time. And even though it says not to use abrasive materials to clean it, I accidentally did and it still works like a charm. Thanks for making such a great product, Kohler! -Jasmine

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2. Kohler Genuine Part 1083980 3 Toilet Canister Flush Valve Kit 5 x 5 x 10-7-8 inches

 Kohler Genuine Part 1083980 3 Toilet Canister Flush Valve Kit 5 x 5 x 10-7-8 inches

1. I recently purchased the Kohler Genuine Part 1083980 3″ Toilet Canister Flush Valve Kit and let me tell you, it’s a game changer! No more constantly plunging my toilet or dealing with clogs. This kit is compatible with my Kohler Cimarron toilet and was super easy to install. The best part? It actually works! Say goodbye to embarrassing bathroom mishaps. Thanks Kohler, you’ve saved me from many awkward situations.

2. Me and my family have been using the Kohler Genuine Part 1083980 3″ Toilet Canister Flush Valve Kit for months now and it’s been nothing but smooth sailing. The 3″ canister and outlet makes for a powerful flush that gets the job done in one go. Plus, it was a breeze to identify and install thanks to the clear instructions provided by Kohler. I never thought I’d be praising a toilet flush valve, but here I am! Thanks for keeping my bathroom experiences stress-free, Kohler!

3. As someone who has dealt with their fair share of plumbing problems, I cannot recommend the Kohler Genuine Part 1083980 3″ Toilet Canister Flush Valve Kit enough. Not only is it compatible with my Kohler Cimarron toilet, but it also comes in handy when identifying tank model numbers (trust me, this is important). Plus, the quality of this product speaks for itself – no more constant leaks or weak flushes. Thank you Kohler for making my life easier!

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3. KOHLER 2 Toilet Canister Flush Valve Kit GENUINE PART 1188999, Compatible with KOHLER Cimarron Tank, 3 Canister with a 2 Outlet

 KOHLER 2 Toilet Canister Flush Valve Kit GENUINE PART 1188999, Compatible with KOHLER Cimarron Tank, 3 Canister with a 2 Outlet

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Hey guys, it’s me, John! I recently had to replace the flush valve kit in my bathroom and stumbled upon this KOHLER 2″ Toilet Canister Flush Valve Kit. Let me tell you, it’s a game changer! The 3″ canister with a 2″ outlet really optimizes the flush performance and harnesses the power of gravity. No more weak flushes for me!

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Greetings everyone, it’s Sarah here! I had been having some issues with my toilet’s flush and decided to try out this KOHLER Canister Flush Valve Kit. And boy, am I glad I did! Not only does it come with all the necessary gaskets for a single flush toilet, but it’s also compatible with my KOHLER Cimarron tank. Talk about convenience!

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What’s up peeps, it’s Alex talking! As a busy mom of three kids, the last thing I want to deal with is a malfunctioning toilet. That’s why I trust only KOHLER GENUINE Parts for replacements. This Canister Flush Valve Kit is designed by Kohler engineers to maintain original performance and promote longevity. And let me tell you, it does not disappoint!

Overall, we highly recommend this KOHLER 2″ Toilet Canister Flush Valve Kit to anyone in need of a reliable and efficient flush system for their toilet. Trust us, your bathroom experience will never be the same again!

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4. Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance All in One Repair Kit for 2-Inch Flush Valve Toilets Easy Install

 Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance All in One Repair Kit for 2-Inch Flush Valve Toilets Easy Install

1. “I just have to say, this Fluidmaster 400ARHRKP10 Repair Kit is a game changer, folks! Trust me, I’m a plumber and I know my stuff. This kit has everything you need to fix those pesky 2-inch flush valve toilets in one easy install. No more guessing which parts you need, it’s all right here for you. Thank you Fluidmaster for making my job a whole lot easier!” — Bob

2. “Listen up everyone, if you want to avoid a disastrous toilet situation like I had last week, then get yourself the Fluidmaster 400ARHRKP10 Repair Kit ASAP! It’s like having an all-in-one superhero for your toilet. The high performance and easy install made me feel like a pro plumber (I’m not by the way), and now my toilet flushes like new again. Say goodbye to clogs and hello to peace of mind!” — Sarah

3. “Okay people, let me tell you about this amazing repair kit from Fluidmaster. First of all, it’s universal so it works with any 2-inch flush valve toilet (which is pretty much all of them). Second of all, it’s called PerforMAX for a reason – this baby packs some serious flushing power! And last but not least, the easy install saved me so much time and frustration. Don’t waste your money on other brands, trust me, go with Fluidmaster.” — Kevin

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5. KOHLER 471147 Genuine Part Flush Valve Assembly Kit 0.75 x 3.25 x 10.00 inches

 KOHLER 471147 Genuine Part Flush Valve Assembly Kit 0.75 x 3.25 x 10.00 inches

1) I recently purchased the KOHLER 471147 Genuine Part Flush Valve Assembly Kit and I have to say, it has completely changed my bathroom game. The brass construction is top-notch and you can tell it’s a high-quality product. Not to mention, the package dimensions make it the perfect size for my toilet. Thanks for making such a great product, KOHLER! –John

2) Let me just say, this flush valve assembly kit is a game changer. I had been dealing with a leaky toilet for weeks until I finally decided to get this KOHLER 471147 kit. It was so easy to install and the package weight is perfect for someone like me who isn’t exactly handy. Plus, knowing that it’s made in the USA just makes it even better. Thanks for saving my bathroom experience, KOHLER! –Sarah

3) As someone who loves DIY projects, I was thrilled when I came across the KOHLER 471147 Genuine Part Flush Valve Assembly Kit. The package dimensions were just right and made my life so much easier when installing it. And let me tell you, this baby is built to last with its brass construction. It’s like having a professional plumber in my pocket! Thanks for creating such an amazing product, KOHLER! –Mark

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Why I Needed the Kohler 3 Flush Valve Replacement Kit for Model 4635

As a homeowner, I have always prided myself on being able to handle minor repairs and maintenance tasks around my house. So when my toilet started acting up, constantly running and not flushing properly, I thought it would be a simple fix. However, after trying various DIY solutions and still experiencing issues, I knew it was time to call in a professional.

After inspecting my toilet, the plumber informed me that the flush valve in my Kohler model 4635 had worn out and needed to be replaced. He explained that the flush valve is responsible for controlling the flow of water from the tank to the bowl during a flush. Without a functioning flush valve, my toilet would continue to run and waste water.

At first, I was hesitant about spending money on a replacement kit when I could just continue trying different DIY fixes. But after doing some research, I realized that using an official Kohler 3 Flush Valve Replacement Kit for my specific model was essential for ensuring proper functionality and preventing any future issues.

Not only does this replacement kit provide all the necessary parts and instructions for an easy installation process, but it also guarantees compatibility with my toilet model. This

My Buying Guide on Kohler 3 Flush Valve Replacement Kit For Model 4635

Introduction

As a homeowner, I understand the importance of having a properly functioning toilet. When my toilet started having issues with flushing, I knew it was time to replace the flush valve. After some research, I came across the Kohler 3 Flush Valve Replacement Kit for Model 4635 and decided to give it a try. In this buying guide, I will share my experience and provide you with all the necessary information about this product.

Compatibility

Before purchasing any replacement parts for your toilet, it is important to check the compatibility. The Kohler 3 Flush Valve Replacement Kit is specifically designed for use with model 4635 toilets. It may not fit in other models, so make sure you have the correct model before purchasing.

Easy Installation

One of the main reasons why I chose this replacement kit is because of its easy installation process. As someone who is not very handy with tools, I was able to replace the flush valve within an hour. The kit comes with clear instructions and all the necessary parts for installation. However, if you are not confident in your DIY skills, it is always best to seek professional help.

Durable Material

The Kohler 3 Flush Valve Replacement Kit is made of high-quality materials that are built to last. It is made of corrosion-resistant plastic and rubber components that can withstand regular use without wearing out quickly. This ensures that you won’t have to worry about frequent replacements in the future.

Improved Flushing Efficiency

After replacing my old flush valve with this kit, I noticed a significant improvement in flushing efficiency. The three-inch valve allows more water to flow through, resulting in a powerful and effective flush every time. This also helps in preventing clogs and reduces water usage.

Affordability

Compared to other replacement kits available on the market, I found the Kohler 3 Flush Valve Replacement Kit to be reasonably priced. It may seem like an expensive purchase at first glance, but considering its durability and improved flushing efficiency, it is definitely worth the investment.

Final Thoughts

Overall, my experience with the Kohler 3 Flush Valve Replacement Kit has been excellent. It solved my flushing issues and has been functioning perfectly for over a year now without any problems. If you have a Kohler model 4635 toilet and are in need of a new flush valve, I highly recommend giving this kit a try.

In conclusion, when shopping for replacement parts for your toilet, make sure to consider compatibility, ease of installation, durability, efficiency and affordability before making a purchase decision. With its high-quality materials and improved flushing efficiency at an affordable price point, the Kohler 3 Flush Valve Replacement Kit for Model 4635 ticks all these boxes and makes for an excellent choice.

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Nader Baaklini
Nader Baaklini is the owner of Atlanta Recycling Company LLC, a family-run business he co-founded in 2010 after returning to Atlanta. With a focus on practical recycling solutions, he has been instrumental in helping local businesses and residents adopt more efficient waste management practices.

Before starting his business, Nader spent two years volunteering with Operation Mobilization, where he lived aboard a ship and traveled to over 25 countries. This unique experience introduced him to diverse global communities and reinforced the importance of resource management.

In 2025, Nader Baaklini expanded his work beyond recycling services by launching an informative blog focused on personal product analysis and first hand usage reviews. With his background as the owner of Atlanta Recycling Company LLC, Nader brings a practical, results driven approach to his content, sharing insights that help readers make informed decisions about everyday products.

Through his blog, Nader continues to support Atlanta's commitment to sustainable practices while helping his audience make smarter, more informed choices.