February 21, 2026

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10 Best toilet parts of 2026

Save up to 17% off

1

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

Key Features and Benefits
Kohler genuine part, canister flush valve kit, 3-inch canister with 3-inch outlet, compatible with Kohler Cimarron 1.6gpf tank model K 4634, plastic material, complete assembly.

Ideal Use Cases
Perfect for repairing Kohler Cimarron toilets, especially model K 4634, includes tank to bowl gasket, easy installation, requires 20-inch channel lock pliers, not universal fit.

Most Praised Feature
Easy to install, fits perfectly, quiet operation, long-lasting performance, exact replacement part, no need for a plumber, clear instructions, good price, fast delivery.
9.8

Exceptional

Our Rating

9.9
Instruction

9.3
Long life

9.1
Easy installation
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
2

Fluidmaster
Fluidmaster K-400H-021-P8 PerforMAX 2-Inch Everything Toilet Repair Kit, Multicolor
Main highlights

Complete Repair Kit
Includes all necessary parts and tools for toilet repair.

Ideal for DIY Enthusiasts
Perfect for amateur and professional use for toilet fixes.

Highly Praised for Easy Installation
Customers love the straightforward installation process.
Key specs
- size:No Size
- color:Multicolor
- material:Plastic
- installation:Toilet
- warranty:7 Year Limited
9.5

Excellent

Our Rating

9.9
Tech Support

9.3
Instruction

9.3
Easy installation
3

Fluidmaster
Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor
Main highlights

Powerful and Quiet Performance
Fix noisy, or slow filling fill valves with the quietest, most powerful toilet fill valve available.

Ideal for Home Improvement
Universal fit for most toilet models and brands, perfect for DIY installations.

Ease of Installation
Customers praise the easy installation with step-by-step instructions included.
9.4

Excellent

Our Rating

9.7
Easy installation

9.5
Instruction

9.3
worth the money
4

Fluidmaster
Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit
Main highlights

High Performance and Easy Installation
The PerforMAX fill valve and flapper kit offers high performance and is easy to install, making your toilet run like new.

Perfect for Home DIY Projects
Ideal for both amateurs and professionals, it's a great choice for DIY toilet repairs and upgrades.

Reliable and Adjustable Water Control
Customers praise its reliability and easy water level adjustment, enhancing toilet efficiency.
9.3

Excellent

Our Rating

9.9
Easy installation

9.5
Instruction

9.3
worth the money
5

Korky
Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP
Main highlights

Universal Fit for Most Toilets
The Korky 100BP Flapper fits 2-inch toilets, including American Standard, Kohler, and TOTO, ensuring compatibility with various models.

Ideal for Fixing Leaks Quickly
Perfect for repairing running and leaking toilets, it helps eliminate costly water waste efficiently.

Ease of Installation Praised by Users
Customers appreciate the straightforward installation process, resolving leaks without hassle and saving on water bills.
9.2

Excellent

Our Rating

9.7
Easy installation

9.3
Instruction

9.1
worth the money
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6

Hibbent
Hibbent Universal Metal Front Mount Toilet Handle Replacement Kit, Brass Toilet Flush Tank Lever with Stainless Steel Flapper Chains for Most Toilets, Chrome

17% Off
Main highlights

Universal Fit Compatibility
Designed to fit most standard front mount toilets with adjustable length.

Ideal for Home and Commercial Use
Perfect for residential bathrooms or high-traffic commercial restrooms.

Ease of Installation
Praised for quick and straightforward installation, even for beginners.
Key specs
- color:Chrome
- material:Stainless Steel, Brass, Zinc Alloy
- finish:Chrome
- handle:Stainless Steel, Aluminum, Brass
- unit count:1.0 Count
9.1

Excellent

Our Rating

9.3
lasts a long time

9.3
Range of movement

9.1
Easy installation
7

Korky
Korky QuietFILL Platinum Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528MP
Main highlights

Universal Fit and Easy Installation
Fits 99% of toilets and installs in under 10 minutes.

Ideal for Toilet Upgrades
Perfect for replacing old or noisy valves in 1-piece and 2-piece toilets.

Enhanced Quiet Performance
Reduces toilet noise, praised for quieter operation than previous valves.
8.9

Very Good

Our Rating

9.7
Easy installation

9.1
Instruction

8.9
worth the money
8

Zaviroxel

2Pcs 3 Inch Toilet Flapper Replacement, Universal Rubber Toilet Tank Flapper for Standard 3in Flush Valve, Compatible with Kohler Toto Gerber, Helps Fix Running Toilet and Water Leak
8.8

Very Good

Our Rating
9

Fluidmaster
Fluidmaster 400AKR Universal All in One Toilet Repair Kit for 2-Inch Flush Valves, Easy Install
Main highlights

Restores Toilet Performance
All-in-one repair kit replaces fill and flush valves.

Ideal for Universal Toilets
Fits most 2-inch flush valve toilets, 1.6 to 3.5 GPF.

Praised for Easy Installation
Simple installation process often takes 10 minutes or less.
8.7

Very Good

Our Rating

9.3
Simple to use

9.1
Easy installation

8.9
Instruction
10

Danco
Danco Complete Toilet Repair Kit, Fill Valve, Flapper, Rod, Float Replacement (80816), White
Main highlights

Comprehensive Repair Solution
Includes fill valve, flapper, rod, and float for complete toilet repair.

Ideal for Single-Flush Toilets
Perfect for restoring function to standard single-flush toilet systems.

Praised for Easy Installation
Customers appreciate the straightforward installation process and compatibility.
Key specs
- size:4 x 7.4 x 13 inches
- color:White
- material:Plastic, Rubber
- installation:Easy to install
- warranty:1 Year Limited Warranty
8.5

Good

Our Rating

8.4
Easy installation

8.2
lasts a long time

8.0
Durability

10 Best toilet parts of 2026

1

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

9.9

9.3

9.1

How do we rank?

How do we rank?

Analyzing top stores

2

Fluidmaster K-400H-021-P8 PerforMAX 2-Inch Everything Toilet Repair Kit, Multicolor

9.9

9.3

9.3

3

Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor

9.7

9.5

9.3

4

Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit

9.9

9.5

9.3

5

Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP

9.7

9.3

9.1

6

Hibbent Universal Metal Front Mount Toilet Handle Replacement Kit, Brass Toilet Flush Tank Lever with Stainless Steel Flapper Chains for Most Toilets, Chrome

9.3

9.3

9.1

7

Korky QuietFILL Platinum Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528MP

9.7

9.1

8.9

8

2Pcs 3 Inch Toilet Flapper Replacement, Universal Rubber Toilet Tank Flapper for Standard 3in Flush Valve, Compatible with Kohler Toto Gerber, Helps Fix Running Toilet and Water Leak

9

Fluidmaster 400AKR Universal All in One Toilet Repair Kit for 2-Inch Flush Valves, Easy Install

9.3

9.1

8.9

10

Danco Complete Toilet Repair Kit, Fill Valve, Flapper, Rod, Float Replacement (80816), White

8.4

8.2

8.0

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