---
product_id: 56622804
title: "TOTO® Replacement Flapper for Select TOTO 3 Inch Flush Valve Tanks - THU500S"
brand: "toto"
price: "NT$1672"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/56622804-toto-replacement-flapper-for-select-toto-3-inch-flush-valve
store_origin: TW
region: Taiwan
---

# 3" size Vibrant red color Polypropylene body TOTO® Replacement Flapper for Select TOTO 3 Inch Flush Valve Tanks - THU500S

**Brand:** toto
**Price:** NT$1672
**Availability:** ✅ In Stock

## Summary

> 🚽 Flush with Confidence! Upgrade your toilet game today!

## Quick Answers

- **What is this?** TOTO® Replacement Flapper for Select TOTO 3 Inch Flush Valve Tanks - THU500S by toto
- **How much does it cost?** NT$1672 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/56622804-toto-replacement-flapper-for-select-toto-3-inch-flush-valve)

## Best For

- toto enthusiasts

## Why This Product

- Trusted toto brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📏 Perfect Fit:** Designed specifically for standard 3-inch flush valve tanks.
- • **💪 Durable Design:** Constructed from high-quality polypropylene for long-lasting performance.
- • **🌊 Optimal Sealing:** Features a rubber sealing surface for a leak-proof experience.
- • **🛡️ Trusted Brand:** Manufactured by TOTO, ensuring reliability and quality.
- • **🔄 Effortless Installation:** Includes chain and easy setup instructions tailored for TOTO tanks.

## Overview

The TOTOTHU500S Replacement Flapper is a high-quality, durable toilet flapper designed for select 3-inch flush valve tanks. Made from polypropylene with a rubber sealing surface, it ensures optimal performance and a leak-proof seal. The vibrant red color adds a touch of style, while the included chain and setup instructions make installation a breeze. Trust TOTO for reliable bathroom solutions.

## Description

TOTO® Replacement Flapper for Select TOTO 3 Inch Flush Valve Tanks - THU500S

## Features

- Plastic
- Imported
- ✅ Size: 3 Inch.3 inch sealing surface
- ✅ Polypropylene body with rubber sealing surface
- ✅ Flapper includes chain along with instructions for set-up specific to TOTO tank model.
- ✅ Red color

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Polypropylene |
| Brand | TOTO |
| Item dimensions L x W x H | 4.75 x 3.5 x 2.5 inches |
| Exterior Finish | Plastic |
| Inlet Connection Size | 3 Inches |
| Inlet Connection Type | Rubber Flapper |
| Outlet Connection Type | Standard 3-inch Connection |
| Outlet Connection Size | 3 Inches |
| Valve Type | Toilet Flapper Valve |
| Global Trade Identification Number | 00739268326958 |
| Manufacturer | Toto |
| UPC | 739268326958 |
| Part Number | THU500S |
| Item Weight | 3.2 ounces |
| Product Dimensions | 4.75 x 3.5 x 2.5 inches |
| Item model number | THU500S |
| Is Discontinued By Manufacturer | No |
| Size | 3 Inch |
| Color | Red (1 Pack) |
| Item Package Quantity | 1 |
| Usage | Inside |
| Included Components | flapper |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Manufacturer One Year Limited |

## Product Details

- **Material:** Polypropylene
- **Brand:** TOTO
- **Item dimensions L x W x H:** 4.75 x 3.5 x 2.5 inches
- **Exterior Finish:** Plastic
- **Inlet Connection Size:** 3 Inches
- **Inlet Connection Type:** Rubber Flapper
- **Outlet Connection Type:** Standard 3-inch Connection
- **Outlet Connection Size:** 3 Inches
- **Valve Type:** Toilet Flapper Valve
- **Global Trade Identification Number:** 00739268326958

## Images

![TOTO® Replacement Flapper for Select TOTO 3 Inch Flush Valve Tanks - THU500S - Image 1](https://m.media-amazon.com/images/I/719eMJsjEAL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Will this work with a ST784S?**
A: The ST784S calls for part number THU331S flapper. This one should be a replacement for that, so it should work.

**Q: My old flapper does not clip on or off nor will it slide off the pins. The material is not pliable. How do i get it off?**
A: Hello, I'm sorry to hear you are having trouble removing your current flapper. I am not sure what type of flapper or toilet you currently have and do not want to suggest something that may not work or damage your current toilet. I would suggest reaching out to our TOTO Tech Support directly so they can troubleshoot the issue and walk through some options. They can be reached at techsupport@toto.com or call 1-888-295-8134 between 8am - 8pm Mon - Fri EST and press 4 when prompted. We also have live chat on the TOTO USA website. I hope this helps and thank you for choosing TOTO.

**Q: Does this fit the ST454E?**
A: Per Toto's parts schematic for their model CST454CEF and CST454CEFG, this is the exact replacement flapper. Toto places a parts list on the inside bottom surface of their tank lids. Check for this list, and even if the part number is different you can do an online search with that number and it will bring up the current replacement part number, as Toto has continued to update their products. My Toto's list provided a flapper number that had been updated when I needed to buy one, and the new flapper replaces a good number of their older flappers. It fit and works perfectly in my Toto. Verify that your toilet is a "CST454CEF or CST454CEFG" and then you can download the current parts schematic for it from the Toto web site. Install is fast and easy, and Amazon got the part out to me very quickly. Good luck!

**Q: Does this fit cst853? it looks so much difference than the original flapper.**
A: Hello, Yes. This is an updated version of the TOTO replacement flapper that can be adjusted to many models. There will be instructions on how to adjust it to your model. I hope this is helpful and thank you for your interest in TOTO!

## Frequently Bought Together

- TOTO THU500S Replacement Flapper for Select 3 Inch Flush Valve Tanks, Red (1 Pack)
- TOTO TSU99A.XR Fill Valve, Blue
- TOTO Toilet Handle Replacement Parts Kit, Universal TOTO THU068#CP Trip Lvr for St743S Side Mount Toilet Flush Tank Lever Handle for TOTO Kohler Toilet Tank, 1-Pack Copper Lever

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-27*