Best American Standard Toilet Parts in 2026
Daisy
Last Updated: Jul 19, 2026
Daisy
Last Updated: Jul 19, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
KOHLER GENUINE PART
3" canister with a 2" outlet harnesses the natural force of gravity and optimizes flush performance
Compatible with KOHLER Cimarron tank model number K-4421
Look inside the back wall of the toilet tank to identify tank model number
The number printed on the canister is a component number, which is a component of this kit.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Kohler genuine part
Silent fill provides a gracious experience by filling the tank quietly
Multiple fill-rate inserts are provided to optimize performance and conserve water.
Adjustable to accommodate any height, compatible with various Kohler toilets.
Confirm shank color to determine correct part; If grey, use this part and if black, use GP1083167.
Cap color may vary
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Protect the on KOHLER products, always look for the KOHLER GENUINE PARTS logo
Repair kit for single flush canister toilets
Includes cap, center guide and chain
Recommend also replacing seal part number GP1059291
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Kohler genuine part
Canister flush valve kit for Kohler Cimarron toilets
3 inches canister with a 3 inches outlet
Compatible with Kohler Cimarron 1.6gpf tank model number K 4634 only
Look inside the back wall of the toilet tank to identify tank model number. Material: Plastic. Wipe surfaces clean and rinse completely with water immediately after applying cleaner. Rinse and dry any overspray that lands on nearby surfaces
Complete assembly with tank to bowl gasket. Inlet diameter: 0.5 inches
This is not a universal fit product
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Essential Values | 9.92 | ✅ | ✅ | ✅ |
COMPATIBLE 6 PACK KOHLER FLUSH VALVE - Great value 6 pack flush valve seal. Compatible with Kohler K-GP1059291 and GP1059291. A fraction of the price in the stores. Choose Essential Values for great quality compatible kohler toilet replacement parts.
EASY INSTALLATION - Outside diameter: 3 3/8", Inside Diameter: 2.75". Our compatible Kohler flush valve kit is a direct replacement for worn out or cracked original seals. Takes just minutes to install, full fitting instructions in the photos.
SMARTER DESIGN - Unlike other brands, we've improved our gasket design and incorporated a lip to easily remove and replace the seal in the future. Save time and money, without jeopardizing quality.
BRING BACK YOUR FLUSH POWER - There’s nothing more problematic & embarrassing when you have guests over than a toilet that doesn't flush properly. We include a set of 6 compatible Kohler flush seal gaskets in each pack. Save money and protect your toilet for future use.
GP1059291 REPLACEMENT PART - Suitable for and compatible with Kohler toilets with a flush valve seal. Size may work with other comparable brands. Dimensions based on outside diameter of 3 3/8”. This is an aftermarket replacement by Essential Values.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Size: Large (3”).ADJUSTS TO FIT ALL 3-INCH TOILET FLUSH VALVES found in newer, HET toilets including, American Standard, Aqua source, Crane, Eljer, Ferguson, Gerber, Glacier Bay, Jacuzzi, Kohler, Mansfield, Pegasus, TOTO and many more
QUICKLY FIX running and leaking toilets and eliminate costly water waste
KORKY INVENTED THE TOILET FLAPPER VALVE and is still the preferred brand by plumbers for superior quality and reliability
MADE IN USA - Proudly made in America and backed by a 5 year warranty. Flapper made of chlorine resistant rubber
HIGH QUALITY REPLACEMENT TOILET PARTS: Need to repair or replace toilet parts? Try Korky Toilet Repair because we continue to commit to designing toilet repair parts that are universal to fit the majority of toilets. Designed & manufactured in Wisconsin.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| RFAdapter | 9.92 | ✅ | ✅ | ✅ |
Our flush valve seal is a perfect replacement for Kohler K-GP1059291 canister flush valve seal (red or yellow color). Compatible with K-4436 parts.
Our toilet seal is made of high quality silicone material, compared with ordinary rubber toilet seal,our product is better resistant to chlorine and other chemicals in the water supply and has a long service life. Fits perfectly with all Kohler toilets with a canister flush valve, can fixe leaks and prevents ghost flushes from happening. Outside Diameter: 3.375" Inside Diameter: 2.75".
Easy to install and uninstall： Compared to other products，our seal has a lip to improve ease of adding and removing new and old seals. Installation steps： 1. Remove the valve stem by turning it from the bottom of the canister. 2. Remove the stem and old gasket, wipe off old rotting rubber on the surface. 3. Secure the inner ring of the seal around the tank lip. 4. Put it back and give it a few test rinses to make sure it's fully functioning and sealing properly.
Come with 3-pack flush valve seals to meet your daily use and replacement needs. No need to spend a lot of money to get a repairman to fix it, our products can save you time and money.
We offer worry-free warranty and friendly customer service within 12 months for your confident purchase. If you are not satisfied with any product, please don’t hesitate to contact us, we will serve you our best.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Fixes most toilet problems - replaces poor performing, or outdated fill valves and cracked flush valves
Quick and Easy-to-Install, no tank removal repair kit cuts repair time in 1/2
Universal design fits most toilet models
Simple peel and stick flush valve install
PerforMAX 2” Flush Valve Repair Kit - high performance, quiet and powerful - included, with toilet flapper and seal
Fits 2” flush valve toilets including Kohler, Toto, American Standard & more
Adjustable for maximum performance and water savings
Best suited for 1.28 HET & 1.6 GPF toilets made after 2005
Anti-siphon design won’t contaminate the water supply
Durable build includes a 5 year warranty
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| RDEXP | 9.81 | ✅ | ✅ | ✅ |
[Notice] Please check the following size information carefully, this is the key factor to determine whether the toilet drain valve can be successfully installed!!!
[Size Information] Diameter of base (without gasket): 65mm/2.56 inches; outer diameter of gasket: 85mm/3.35 inches. Height: 180mm/7.09 inches (excluding base), Overall width: 118mm/4.65 inches.
[Suitable For] The Drain Valve is suitable for 65mm-75mm (2.56-2.95inch) drain holes; suitable for toilet tank height (without tank cover) 19-23cm/7.48-9.06 Inch. This toilet drain valve is a replacement for TOTO, replacement for KOHLER and other brands of piece side toilet tank
[Toilet Drain Valve] This is a great toilet tank inlet drain valve with exquisite workmanship and a great replacement accessory for you. Silicone seal water tablets, good sealing effect, never leaks
[Convenient Installation] This toilet drain valve replacement kit includes installation parts and tools for easy and simple installation without looking for additional tools.
High efficiency and water saving, gentle and professional, can effectively improve the flushing performance of your toilet.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Buildcom | 9.74 | ❌ | ❌ | ❌ |
Solid brass construction for durability and reliability
KOHLER ceramic disc valves exceed industry longevity standards two times for a lifetime of durable performance
Flow rate: 25.0 - 30.0 gym @ 45 psi
Order trim separately
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Opzour Direct | 5.05 | ✅ | ✅ | ✅ |
[WHAT YOU GET] - You will get 2 pieces of flush valve seal which is a perfect replacement for Kohler K-GP1059291 canister flush valve seal (red or yellow color).
[DURABLE RUBBER SEALS] - The toilet gaskets are made from high-quality silicon rubber, which is durable, long-lasting use and good performance in sealing, preventing any possible water leakage.
[EXACT REPLACEMENT] – The high-quality durable rubber canister flush valve seal is a perfect replacement for your Kohler K-GP1059291 tank flush valve seal, which is also equivalent to part 2475620.
[EASY TO INSTALL] – It will only take you 3 minutes around to install the canister flush valve seal gp1059291. No professional tools are required during installation. No need to ask for the plumber to complete the task.
[REPAIR LEAKY TOILET] – With this toilet flush valve gasket, we can replace worn-out washers on your toilet to repair a leaky toilet tank. It’s an inexpensive alternative solution to repair leaking toilet, saving water and money on replacing an entire new toilet and expensive plumbing repairs.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Kohler | 5 |
| Essential Values | 1 |
| Fluidmaster | 1 |
| Korky | 1 |
| Opzour | 1 |
| Rdexp | 1 |
| Ullnosoo | 1 |
We've carried out a comprehensive analysis of 16,667 reviews on toilet parts, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select toilet parts priced around $34.51, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 11 toilet parts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right fixtures Products based on their needs, saving them considerable time when choosing which toilet parts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
