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Best Toilet Flush Valves for KOHLER of 2026

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Harry Stack

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KOHLER's Toilet Flush Valves are a reliable and efficient solution for any commercial or residential bathroom. These valves offer easy installation and maintenance, with a durable construction that ensures long-lasting performance. The flush valves are available in a variety of models, including manual and touchless options, to meet the needs of any facility. KOHLER's Toilet Flush Valves also feature adjustable settings for water usage and flush duration, allowing for greater water conservation and cost savings. With their sleek design and high-quality performance, KOHLER's Toilet Flush Valves are the perfect choice for any bathroom.

At a Glance: Our Top Picks

Kohler Genuine Part GP1083167 Silent Fill Valve Kit Cover #TOP 1

Kohler Genuine Part GP1083167 Silent Fill Valve Kit

9.8
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Kohler Genuine Part Toilet Canister Flush Valve Kit Cover #TOP 2

Kohler Genuine Part Toilet Canister Flush Valve Kit

9.7
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Kohler Silent Fill Toilet Fill Valve Kit Cover #TOP 3

Kohler Silent Fill Toilet Fill Valve Kit

9.5
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Top 10 Toilet Flush Valves for KOHLER

#TOP 1

Kohler Genuine Part GP1083167 Silent Fill Valve Kit

  • Kohler
  • GP1083167
  • Black
  • 12.5" x 3.5" x 3"
Kohler Genuine Part GP1083167 Silent Fill Valve Kit Cover

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

The Kohler Genuine Part GP1083167 Silent Fill Valve Kit is a manual valve type that provides a quiet filling experience. With multiple fill rate inserts, it optimizes performance while conserving water. It is adjustable to accommodate any height and is designed for Kohler Class Five toilets. To ensure the correct part, confirm the shank color, and use this part for black shanks and GP1138930 for grey shanks. With its easy installation process, you can quickly upgrade your toilet's flushing system.

9.8
FTB Score
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What We Like

  • Easy installation
  • High quality build
  • OEM compatibility
  • Stops leaks immediately
  • Cost effective
#TOP 2

Kohler Genuine Part Toilet Canister Flush Valve Kit

Kohler Genuine Part Toilet Canister Flush Valve Kit Cover

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

The Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit is a plastic-made, canister flush valve kit that comes with a 3 inches outlet and is compatible with Kohler Cimarron 1.6gpf tank model number K 4634 only. The kit is a complete assembly with a tank to bowl gasket and inlet diameter of 0.5 inches. To ensure the compatibility of the product, users must look inside the back wall of the toilet tank to identify the tank model number.

9.7
FTB Score
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What We Like

  • Perfect fit for Kohler toilets
  • Easy installation process
  • Stops toilet running issues
  • Improved flush performance
  • Good value for money
#TOP 3

Kohler Silent Fill Toilet Fill Valve Kit

  • Kohler
  • GP1138930
  • Colors may vary
  • 12.5" x 3.5" x 3"
Kohler Silent Fill Toilet Fill Valve Kit Cover

KOHLER Silent Fill Toilet Valve Kit, Genuine Part GP1138930, Adjustable with Multiple Fill-Rate Inserts

The Kohler Silent Fill Toilet Fill Valve Kit is a genuine part that fills your tank quietly and provides a gracious experience. It comes with multiple fill-rate inserts that optimize performance and conserve water. The kit is adjustable to accommodate any height and is compatible with various Kohler toilets. Just confirm the shank color to determine the correct part.

9.5
FTB Score
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What We Like

  • Easy installation process
  • Long-lasting durability
  • Simple water level adjustment
  • Quiet operation
  • Fits older toilet models
#TOP 4

Kohler Flush Valve Kit

  • Kohler
  • K-1188998
  • No Finish
  • Pack of 1
Kohler Flush Valve Kit Cover

KOHLER GENUINE PART 1188998 2" Toilet Canister Flush Valve Kit

The Kohler Flush Valve Kit is a genuine part designed to optimize the flush performance of your toilet. It features a 3" canister with a 2" outlet, which harnesses the force of gravity to ensure a powerful flush. This kit is compatible with Kohler Cimarron tank models K-4418 and K-4369, and it comes with a complete assembly including a tank-to-bowl gasket. By using this Kohler Flush Valve Kit, you can enjoy a reliable and efficient flush every time. Say goodbye to clogs and weak flushes, and keep your toilet running smoothly with this high-quality kit from Kohler.

9.4
FTB Score
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What We Like

  • Perfect OEM fit
  • Smooth, leak-free operation
  • Easy installation process
  • Good value
#TOP 5

KOHLER GP1229656 Canister Repair Kit

KOHLER GP1229656 Canister Repair Kit Cover

KOHLER GENUINE PART GP1229656 Canister Repair Kit, For single flush canister toilets, Includes cap, center guide and chain

The KOHLER Canister Repair Kit is designed specifically for single flush canister toilets, making it easy for you to maintain your KOHLER toilet’s performance. This kit includes essential parts like a cap, center guide, and chain, which help ensure smooth flushing operation and reliable function. When you choose this repair kit, you’re getting genuine KOHLER components, giving you confidence in quality and compatibility. Using authentic parts helps protect your KOHLER toilet from issues caused by inferior replacements, saving you time and hassle. For best results, it’s recommended to also replace the seal with part number GP1059291, ensuring a complete and effective repair.

9.4
FTB Score
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What We Like

  • Quick installation
  • Perfect fit for Kohler toilets
  • No special tools needed
  • Clear YouTube guidance
  • Restores proper flushing
#TOP 6

KOHLER GENUINE PART Toilet Flush Valve Kit

KOHLER GENUINE PART Toilet Flush Valve Kit Cover

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

This KOHLER GENUINE PART 1188999 2" Toilet Canister Flush Valve Kit features a 3" canister with a 2" outlet that utilizes gravity to optimize flush performance. It is compatible with KOHLER Cimarron tank model K-4421, and the tank model number can be identified by looking inside the back wall of the toilet tank. The number printed on the canister is a component number of this kit.

9.2
FTB Score
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What We Like

  • Identical to original part
  • Easy installation
  • Works effectively
  • Good compatibility with specific models
  • Cost-effective compared to retailers
#TOP 7

Kohler Genuine Part 87998 Flush Valve Kit

Kohler Genuine Part 87998 Flush Valve Kit Cover

KOHLER GENUINE PART 87998 Toilet Flush Valve Kit, Corrosion Resistant

The Kohler Genuine Part 87998 Flush Valve Kit is designed exclusively for Kohler toilet tanks and is compatible with specific Kohler toilet tank models. The toilet tank number can be found inside the tank. This kit is corrosion-resistant, ensuring its durability for lasting use.

9.1
FTB Score
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What We Like

  • Designed exclusively for Kohler toilet tanks
  • Compatible with specific Kohler toilet tank models
  • Corrosion-resistant for lasting durability
#TOP 8

KOHLER K-1117210 Flush Valve Kit

KOHLER K-1117210 Flush Valve Kit Cover

KOHLER 1117210 Flush Valve Kit, 1.28

This flush valve kit is an elegant and genuine KOHLER product that is designed for use in KOHLER two-piece toilets such as Wellworth Classic and Highline. It is a complete rebuild kit that will help you improve the performance of your toilet. The product is manufactured in the United States.

9.1
FTB Score
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What We Like

  • Elegant design
  • Genuine KOHLER product
  • Complete rebuild kit
#TOP 9

Flush Valve Seal for Kohler

Flush Valve Seal for Kohler Cover

Flush Valve Seal for Kohler, 3 Pack Upgraded Silicone Material Canister Flush Valve Toilet Gasket Replacement Parts for K-GP1059291, Easy to Install and Uninstall

This 3-pack upgraded silicone material flush valve seal is a perfect replacement for Kohler K-GP1059291 canister flush valve seal. Made of high-quality silicone material, it is better resistant to chlorine and other chemicals in the water supply and has a long service life. It fits perfectly with all Kohler toilets with a canister flush valve, can fix leaks and prevents ghost flushes from happening. It is easy to install and uninstall and provides a lip to improve the ease of adding and removing new and old seals.

9.1
FTB Score
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What We Like

  • High-quality silicone material with a long service life
  • Fits perfectly with all Kohler toilets with a canister flush valve
  • Easy to install and uninstall with a lip to improve ease of use
#TOP 10 Best Single Toilet Flush Valve

Kohler 2" Toilet Flush Valve Kit

  • Kohler
  • 85406
  • Colors may vary
  • Single
Kohler 2" Toilet Flush Valve Kit Cover

Kohler Part 85406 2" Toilet Flush Valve Kit, Colors may vary

The Kohler 2" Toilet Flush Valve Kit is designed to optimize the flushing performance of various Kohler toilets, including Wellworth and Highline models. The kit includes a flush valve, 2" flapper, triangle gasket, and bolts. It replaces the black flush valve with a red flapper and is a genuine Kohler part. It is easy to install and ensures efficient flushing.

9.1
FTB Score
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What We Like

  • Easy installation
  • High-quality genuine parts
  • Durable and effective seal
  • Good instructions and diagrams
  • Restores toilet functionality

Frequently Asked Questions (FAQs)

1. What size flush valve does Kohler use?

OVERVIEW. The Kohler K-1083980 3-inch canister style flush valve with a 3-inch outlet is for use with Kohler Cimarron toilets. This is a complete assembly with the tank to bowl gasket. Use genuine Kohler replacement parts to protect the warranty on your toilet.

2. Are Kohler flush valves interchangeable?

The older version of this toilet has the flapper flush valve which is shown in the lower right of the screen, below the canister valve diagram. The two flush valves are interchangeable in this toilet.

3. How do I know what toilet flush valve I need?

The first step you'll need to do is identify the brand of your particular valve, this is usually stamped onto the top or side of the plastic. Failing this the branding on the cistern or toilet might be the actual manufacturer of the internals, large brands such as Roca and Armitage Shanks generally follow this route.

4. Will a universal fill valve work in a Kohler toilet?

The GP1138930 universal fill valve has a white cap and can replace most other KOHLER® fill valves. For specific information on what fill valve to order for your toilet, reference Finding Common Toilet Parts. For fill valve replacement instructions, view the Instructional Video.

Editor's Notes

During our toilet flush valve for kohler research, we found 24 toilet flush valve for kohler products and shortlisted 10 quality products. We collected and analyzed 122,148 customer reviews through our big data system to write the toilet flush valves for kohler list. We found that most customers choose toilet flush valves for kohler with an average price of $20.13.

The toilet flush valves for kohler are available for purchase. We have researched hundreds of brands and picked the top brands of toilet flush valves for kohler, including Kohler, Ullnosoo. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by

Harry Stack Avatar

Harry Stack

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.