Best Toto Toilet Replacement Parts in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Toto Toilet Replacement Parts

Kohler Genuine Part Gp1059291 Canister Seal - Pack 2
#TOP1
Kohler Genuine Part Gp1059291 Canister Seal - Pack
9.8
PM SCORE
Canister Flush Valve Seal - Impresa Replacement Rubber Seal for Toilet - Equivalent to Kohler Toilet Parts K-GP1059291/2475620 - Easy to Install and Leak-Free Performance, 2-Pack,Yellow
#TOP2
Canister Flush Valve Seal - Impresa Replacement Rubber
9.8
PM SCORE
Kohler 83143 Replacement Part
#TOP3
Kohler 83143 Replacement Part
9.6
PM SCORE

* 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.

Summary of the Best Toto Toilet Replacement Parts of 2026

Kohler Genuine Part Gp1059291 Canister Seal - Pack 2

KOHLER
B08356GCTN_CA NARF
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SOUTH AVE EAST LLC 9.57

Features

Replacement seal for single flush

Chemical resistant

Canister Flush Valve Seal - Impresa Replacement Rubber Seal For Toilet - Equivalent To Kohler Toilet Parts K-Gp1059291/2475620 - Easy To Install And Leak-Free Performance, 2-Pack,Yellow

IMPRESA
FBA_IP44428
3.40 X 3.40 X 0.10 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Impresa Products 9.98

Features

Toilet Flush Valve - No more leaks or issues with your toilet; our canister replacement seal is made to work perfectly with Kohler Canister Flush Valve Seal Kit K-GP1059291 / 2475620, ensuring a perfect fit for your toilet

Improved Flushing Performance - Our dual flush valve replacement kit can improve the toilet's flushing power and overall function preventing weak flushes and poor performance caused by a clogged or worn-out toilet fill valve

Kohler Toilet Replacement Parts - Designed for most Kohler model toilets, this toilet flusher replacement kit fits most toilets with a 3. 3/8" gasket diameter, a great way to fix issues caused by worn or damaged seals

5-Minute Install - Have your toilet running smoothly without any hassle with our toilet valve replacement kit; simpler to install and does not require removing the base of the toilet, ensuring your toilet performs as it should with minimal effort

Simple Home Solutions - Impresa is all about making home improvements easy, and our toilet repair kit is no exception; designed to make fixing leaks and weak flushes in your toilet easy and cost-effective

Kohler 83143 Replacement Part

KOHLER
83143
1.80 X 1.35 X 1.10 Inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

KOHLER GENUINE PART

Replacement seal diaphragm

Engineered to promote product longevity

Made with premium materials for enhanced durability

Toilet Push Button 48Mm Thread Diameter Dual Push Flushing Button Adjustable Toilet Water Tank Button

VALLVATER
PLUMBINGFIXTURES
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VALLVATER 9.54

Features

✔SUITABLE FOR:1.9 inch/ 48 mm thread dia, suitable for 1.9 Inch (48 mm) tank hole. Dual flush function. Widely used in common brands as follow: TOTO, American Standard, KOHLER, Twfords, Armitage Shanks, Geberit, B&Q Villeroy & Boch. Siamp, Wirquin, Cookr & Lewis.

✔MATERIAL: The button spring is made of high quality 304 stainless steel wires, which is durable and elastic.

✔SIZE: It is a two push button Flushing, so you can choose full drainage or semi-drainage. And the total length of the torsion bar is 7 inch; you can cut out the length according to your needs or rotation it extended.

✔INSTRUCTIONS: 1. Unscrew the lock nut and insert the button into the hole. (Full row buttons and half row buttons need to be consistent) 2. Check whether the button rod is just in contact with the button. If it is too long, you can cut it short. If it is too short, you can turn the button rod out to adjust the required length, and screw in the lock nut until it is firm.

✔NOTE: Please check the size before purchasing due to the differences of tank hole.

Toilet Push Button 38Mm Thread Diameter Dual Push Flushing Button Adjustable Toilet Water Tank Button

VALLVATER
PLUMBINGFIXTURES
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VALLVATER 9.48

Features

1 SUITABLE FOR: 38 mm thread dia., suitable for 1.49 Inch (38 mm) tank hole. Dual flush function. Compatible with brands as follow: TOTO, American Standard, KOHLER, Twfords, Armitage Shanks, Geberit, B&Q Villeroy & Boch. Siamp, Wirquin, Cookr & Lewis.

✔MATERIAL: The button spring is made of high quality 304 stainless steel wires, which is durable and elastic.

✔SIZE: It is a two push button Flushing, so you can choose full drainage or semi-drainage. And the total length of the torsion bar is 9.4 inch; you can cut out the length according to your needs or rotation it extended.

✔INSTRUCTIONS: 1. Unscrew the lock nut and insert the button into the hole. (Full row buttons and half row buttons need to be consistent) 2. Check whether the button rod is just in contact with the button. If it is too long, you can cut it short. If it is too short, you can turn the button rod out to adjust the required length, and screw in the lock nut until it is firm.

✔NOTE: Please check the size before purchasing due to the differences of tank hole

Kohler 1216611 Replacement Part

KOHLER
1216611
5.90 X 14.40 X 5.90 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

KOHLER GENUINE PART

CANISTER VALVE ASSEMBLY, SERVICE KIT

Engineered to promote product longevity

Made with premium materials for enhanced durability

2 Packs K-Gp1059291 Canister Flush Valve Seal Replacement Part By Blue Stars - Exact Fit For Kohler Toilets - Replaces 2475620 Gp1059291 1049291 - Long-Lasting Rubber - Improves The Lifecycle By 50%

BLUESTARS
K-GP1059291 PO2
3.30 X 3.30 X 0.30 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Blue Stars LLC 9.92

Features

✅ MODEL NUMBER: K-GP1059291 Canister Flush Valve Seal. Made of ultra durable rubber that increases the lifecycle to 50%. Replaces part numbers: 2475620, GP1059291, 1049291.

✅ WIDE COMPATIBILITY: Our canister seal replacement for all Kohler toilets is the best you can get for any toilet with no doubts of a misfit. The right replacement you need for your toilet and no regret on quality and fit. The outer diameter is 3 3/8" and inner diameter is 2 3/5".

✅ NO FUTURE LEAKS: Top quality makes canister seals which prevent leaks in your toilet. No chemical attacks that can cause a tear. Certified by worldwide mechanical engineers as strong and withstands wear. Enjoy tight seals with no leaks and last longer.

✅ EASY AND FAST TO INSTALL: No need to get a plumber to do these tasks. This DIY canister seal replacement takes you less time. When replacing you don’t remove the base of your toilet. K-GP1059291 Canister Seal for your leaks and smooth operation of toilets.

✅ 𝟏𝟎𝟎% 𝐋𝐈𝐅𝐄𝐓𝐈𝐌𝐄 𝐖𝐀𝐑𝐑𝐀𝐍𝐓𝐘: Customer satisfaction is our priority. If for any reason you're not completely satisfied, we will compensate you and offer extra benefits to ensure your rights. Buy with confidence!

Kohler Gp49114 Flapper, 2 In, Red

KOHLER
GP49114
4.00 X 2.75 X 2.25 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Protect the on KOHLER products, always look for the KOHLER GENUINE PARTS logo

2" ball flapper with chain included

For older, two-piece 3. 5+ gpf toilets

Replaced black style

Compatible with the following KOHLER Models: Cayuga 3440, 4509, Highline 3527, 4518, 3518, 4524, Wellesley 3441, 4504, Vintage 3410, 3411, 3412, 3413, 4515, 4516, Wellington 3415, 4504, 3500, 3502, 3504, 3510, 3512, 3514, 4520, 4524, 4556, Bolton 3450, 3475, 4505, 4509, Solstice 14076, Evensong

Kohler 1070282 Replacement Part

KOHLER
1070282
5.90 X 14.40 X 5.90 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Canister valve assembly service kit

Engineered to promote product longevity

Made with premium materials for enhanced durability

#TOP10
Best For Dual

White 21Cm Height Water Tank Connected Dual Flush Fill Toilet Cistern Inlet Drain Valve Repair

DOUBLELIFE
M8HNJP0809035
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SHANOER 6.19

Features

Applicable brands: Replacement for TOTO, replacement for KOHLER and other brands of conjoined side toilet tank.

Size: Height 210mm, full drainage, semi-drainage adjustable,suitable for 65mm-75mm drainage holes.

Water saving economy: Efficient water saving, gentle and professional, can effectively improve your toilet flushing performance.

Easy install: Easy to use, adaptable, you will have a great experience.Note: This product is not a universal replacement part, please confirm whether the model of the drain valve matches the model of the toilet before purchasing.

Toilet Drain Valve: This is a great toilet tank inlet drain valve, exquisite workmanship, safe and healthy, no smell, it is a great replacement accessory for you.

#TOP11
Best For Seat

Hibbent 2 Pcs Universal Toilet Seat Bolts Kit, Heavy Duty Stainless Steel Toilet Bolts With Extra Long Downlock Nuts Rubber Washers Gaskets, Easy To Install -Bathroom Toilet Repair Screw

HIBBENT
2.00 X 2.00 X 1.00 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Intelligent3H US 9.93

Features

All Metal Material: Hibbent toilet seat bolts, nuts and flat washers are made of high quality stainless steel with polished chrome finish that ensures durability, anti-corrosion, anti-rust, leak-proof, and hard to break. Black gaskets are made of rubber, which is durable and long-lasting use.

Fit Most Toilets: All metal toilet seat bolt kit fits most standard toilet. Toilet bolts and nuts is compatible with TOTO, Kohler, American Standard Toilets, etc.

Stainless Steel Lock Nuts: The long stainless steel lock nuts at the bottom are used to protect the toilet seat from sliding, shifting or movement, are more stable and make you comfortable to sit on toilet. Hibbent toilet seat bolts will never loose, others plastic toilet seat bolts are easy to break and become loose.

Easy to Install: It's easy to install with some tools. You just need to install it with a screwdriver, simply remove broken bolts, clean around the area and then fit the new bolts.

What You Get: You will get 2 x stainless steel toilet bolts, 2 x extra long lock nuts, 6 x rubber washer, 4 x stainless steel anti-slip flat washer, which is enough for you to use and replace an entire toilet seat.

Kohler 1072320-Cp Replacement Part,Polished Chrome

KOHLER
1072320-CP
14.50 X 5.85 X 6.00 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Protect the warranty on KOHLER products, always look for the KOHLER GENUINE PARTS logo

Replacement flush valve assembly with 7.25" overflow

Engineered to promote product longevity

Made with premium materials for enhanced durability

Kohler 1023457 Replacement Part

KOHLER
1023457
6.00 X 6.00 X 1.25 Inches
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

KOHLER GENUINE PART

Wax ring for toilet bowl (includes hardware)

Engineered to promote product longevity

Made with premium materials for enhanced durability

Toilet Tank Button Dual Push Flushing Toilet Button Replacement Toilet Flush Button With Thread 38Mm / 1.49Inch Round (Pack Of 2)

TECETOOL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TECETOOL Store 5.68

Features

PACKAGE & QUALITY: Made of high quality plastic, durable, long-lasting. Chrome plated surface, smooth and beautiful.Pack includes 2 total toilet push button. NOTE: Please check the size before purchasing due to the differences of tank hole.

TOILET TANK BUTTON SIZE: 38mm thread dia dual flush push button with rods. Fit for 1.49Inch(38mm) toilet tank cover hole diameter. Dual flush function. Widely used in common brands as follow: TOTO, American Standard, KOHLER, Twfords, Armitage Shanks, Geberit, B&Q Villeroy & Boch. Siamp, Wirquin, Cookr & Lewis.

EASY TO INSTALL: Dual flush toilet kit button fit for 38mm water tank cover hole.1.Unscrew the lock nut and insert the button into the hole. (Full row buttons and half row buttons need to be consistent) 2.Check whether the button rod is just in contact with the button. If it is too long, you can cut it short. If it is too short, you can turn the button rod out to adjust the required length, and screw in the lock nut until it is firm.

TWO BUTTON DESIGN&FLEXIBLE LENGTH: Full drainage or semi-drainage can be selected. While saving water, it also protects resources and the environment. The total length of the torsion bar is 9.4 inch; you can cut out the length according to your needs or rotation it extended.

1 YEAR WARRANTY FOR TOILET TANK FITTINGS: Any questions please feel free to let us know. Direct supply from global leading manufacturer, TECETOOL promises to the consumer with the purchase order to replace, which proves to be defective under normal installation and use for 1 years from the date of our chase.

Top 10 toilet replacement parts Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Kohler 7
Vallvater 2
Bluestars 1
Doublelife 1
Hibbent 1
Impresa 1
Tecetool 1

Top 10 toilet replacement parts Brands Pie Chart


We've carried out a comprehensive analysis of 6,785 reviews on toilet replacement parts, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select toilet replacement parts priced around $15.87, with top brands including fluidmaster, ullnosoo, korky, qualihome, danco, kohler, ifealclear, vallvater and hibbent and ez-fluid

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We are dedicated to assisting our users in finding the right parts Products based on their needs, saving them considerable time when choosing which toilet replacement parts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.