Best Toilet Flush Valves for KOHLER of 2025

Harry Stack Avatar
Harry Stack
Last Updated: Jan 6, 2025

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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
ftb score rating icon 9.8
Kohler Genuine Part Toilet Canister Flush Valve Kit Cover #TOP 2
Kohler Genuine Part Toilet Canister Flush Valve Kit
ftb score rating icon 9.7
KOHLER GENUINE PART Toilet Flush Valve Kit Cover #TOP 3
KOHLER GENUINE PART Toilet Flush Valve Kit
ftb score rating icon 9.5

Top 10 Toilet Flush Valves for KOHLER

#TOP 1

Kohler Genuine Part GP1083167 Silent Fill Valve Kit

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.

What We Like
Quiet filling experience
Conserves water with multiple fill rate inserts
Adjustable to fit any height
#TOP 2

Kohler Genuine Part Toilet Canister Flush Valve Kit

1083980
Black
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.

What We Like
Complete assembly with tank to bowl gasket
Easy identification of tank model number
Compatible with Kohler Cimarron 1.6gpf tank model number K 4634 only
#TOP 3

KOHLER GENUINE PART Toilet Flush Valve Kit

1188999
Unfinished
KOHLER GENUINE PART Toilet Flush Valve Kit Cover
KOHLER GENUINE PART 1188999 2" Toilet Canister Flush Valve Kit

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.

What We Like
Utilizes gravity to optimize flush performance
Compatible with KOHLER Cimarron tank model K-4421
Easy to identify tank model number by looking inside the back wall of the toilet tank
#TOP 4

Kohler Genuine Part 87998 Flush Valve Kit

87998
Black
Small
Kohler Genuine Part 87998 Flush Valve Kit Cover
Kohler GENUINE PART 87998 FLUSH VALVE KIT

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.

What We Like
Designed exclusively for Kohler toilet tanks
Compatible with specific Kohler toilet tank models
Corrosion-resistant for lasting durability
#TOP 5

Kohler Silent Fill Toilet Fill Valve Kit

GP1138930
Colors may vary
12.5" x 3.5" x 3"
Kohler Silent Fill Toilet Fill Valve Kit Cover
KOHLER GENUINE PART GP1138930 UNIVERSAL FILL VALVE KIT

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.

What We Like
Quiet filling for a gracious experience
Multiple fill-rate inserts optimize performance and conserve water
Adjustable to accommodate any height and compatible with various Kohler toilets

Kohler 2" Toilet Flush Valve Kit

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.

What We Like
Easy to install
Optimizes toilet flushing performance
Fits various Kohler toilet models
#TOP 7

Kohler Flush Valve Kit

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.

What We Like
Optimizes flush performance
Compatible with Kohler Cimarron tanks
Reliable and efficient flush
#TOP 8

Kohler Genuine Flush Valve Kit

1039861
Unfinished
One Size
Kohler Genuine Flush Valve Kit Cover
Kohler Genuine 1039861 Flush Valve Kit

The Kohler Genuine 1039861 Flush Valve Kit is a replacement kit designed to promote longevity for Kohler products. It is made with premium materials to enhance durability and features the Kohler Genuine Parts logo for authenticity. This product falls under the Toilet Flush Valves category.

What We Like
Durable construction with premium materials
Designed to promote longevity for Kohler products
Features the Kohler Genuine Parts logo for authenticity
#TOP 9

Kohler K1078578 Flush Valve Assembly Kit

471147
Kohler K1078578 Flush Valve Assembly Kit Cover
KOHLER 471147 Genuine Part Flush Valve Assembly Kit, 0.75 x 3.25 x 10.00 inches

The Kohler Flush Valve Kit is a high-quality toilet flush valve assembly kit designed to provide efficient and reliable performance. With its brass construction, this kit ensures durability and longevity. The package dimensions of 8.7 L x 5.15 H x 10.55 W (inches) make it easy to handle and install. Weighing only 0.82 pounds, it is lightweight and convenient to work with. Made in the United States, this flush valve kit is a testament to Kohler's commitment to quality and craftsmanship. Upgrade your toilet with the Kohler Flush Valve Kit for a reliable and efficient flushing experience.

What We Like
Durable brass construction
Easy to handle and install
Lightweight and convenient
#TOP 10

Kohler K-83093 Flush Valve Kit

83093
Kohler K-83093 Flush Valve Kit Cover
Kohler K-83093 Flush Valve Kit

The Kohler Flush Valve Kit is designed to enhance your toilet's performance. Measuring approximately 9 x 7 x 5 inches and weighing just 0.76 pounds, it is compact and easy to handle. This kit comes as a single package, making it a convenient choice for your plumbing needs. As a high-quality valve, it ensures reliable flushing, improving the overall efficiency of your toilet. By upgrading to this kit, you can enjoy a better flushing experience, which can save water and reduce the frequency of repairs.

What We Like
Compact size
Lightweight design
Single package convenience
Improved flushing efficiency
Buying Guide Image

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 104,253 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 $20.55.

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 and more. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Harry Stack Avatar

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.