THE 3" TOILET FLAPPER is designed with an oversized sealing surface that fits TOTO toilet models and is easy to install. The long-lasting flapper is made of high-quality rubber that helps withstands bacteria, chlorine, ha...

Buy Now From Amazon

Product Review

THE 3" TOILET FLAPPER is designed with an oversized sealing surface that fits TOTO toilet models and is easy to install. The long-lasting flapper is made of high-quality rubber that helps withstands bacteria, chlorine, hard water, & well water

THE LONGEST LASTING RED RUBBER resists chlorine, bacteria, city water treatment, hard water, and well water. The replacement toilet flapper is for TOTO models and the flexible rubber creates a tight seal.

HIGH QUALITY REPLACEMENT TOILET PARTS - Need to repair or replace toilet parts? Try Essential Values Toilet Repair because we continue to commit to designing toilet repair parts that are universal to fit most toilets that don't break the bank

EASY INSTALLATION - You won't need to hold down the toilet lever in order to achieve a full flush when you install the TOTO toilet flapper. Tools are not required for installment and is easy to replace. Includes 3" flapper and stainless-steel chain


Fits TOTO 3-inch Flapper by Essential Values features an oversized sealing surface to fit large 3 inch *TOTO flush valves. Replacement for TOTO flapper model THU138S. Made of flexible rubber for a tight seal and easy to install, the 2021 includes: (1) Large 3-inch Flapper and (1) Stainless Steel Chain.

Replacement for TOTO flapper model THU138S & also Compatible Models for Toto:

CST743S, CST743SD, CST743SDB
CST44S, CST44SD, CST44SDB
CST44SLD, CST44SLDB, CST54SF
CST64S, CST774S, CST784SF
CST79SF, CST804S
MS756204SF, MS853113S, MS854114S, MS874114S
Please note, the 2022 does not fit the following TOTO models: CST743SD, CST743SDB, CST744SD, CST744SDB, CST744SLD, and CST744SLDB

  • Longer Lasting Products
  • Quick & Easy Installation
  • Quality Products at the Right Price!

Best Value on Amazon | High Quality Replacement | Durable & Strong Rubber



  • Our Aftermarket toto toilet flapper replacement is made of High-quality rubber for a tight seal and the chain on it is made of stainless steel with a clip hook, is durable to use and not easy to rust or break.
  • Fine Workmanship: This toilet flapper replacement has been carefully polished, and the surface is smooth and burr-free, so you don’t have to worry about scratching your hands.
  • Easy to Install: the 3 inch common toilet tank flapper adjusts to fit flush valves and the flexible long lasting rubber can create a tight seal, replace your leaky and inefficient toilet flapper and save water.
  • Universal Fitting: This is a universal toilet flapper for 3 inch toilet; flapper for toilet tank is helpful to save water and water fee. Dimensions: 4.84 x 7.24 x 2.28 in.
  • Compatibility: G-Max, THU499S, THU331S, THU175S & 2021BP Models. There are some Not compatible with the following toto power gravity toto toilet models; CST43SD, CST744SD, CST44SLD, CST743SDB, CST744SDB, and CST744SLDB.

Similar Products

OULII Side Mount Toilet flush Lever Handle for TOTO Kohler Toilet TankTOTO THU068#CP Trip Lever For St743S, ChromeTOTO TSU99A.X Adjustable Replacement Fill Valve Assembly for Toilet TanksKorky, Blue 528GT Universal Fill Valve for Toto Toilets, Single UnitTOTOTHU004-CP Trip Lvr For St701Cst854884, Chrome,11.7 x 3.7 x 0.1 inchesToto THU500S Replacement Flapper for Select 3 Inch Flush Valve Tanks, Red (1 Pack)Korky 2021BP TOTO Toilet Repairs-Large 3-Inch Flapper-Easy to Install-Made in USA, RedToilet Flapper Replacement Part for TOTO G-Max 3-Inch, Can Be Used for Models THU138S & THU175SToto Power Gravity Toilet Flapper Replacement Part, 3 Inch, Replaces Model THU140SJmkcoz Angle Fitting Side Mount Toilet Flush Lever Handle for TOTO Kohler Toilet Tank Universal Fit For Most Toilet, Toilet Repair Handle with Nut, Copper Lever