---
product_id: 514795332
title: "3'' Toilet Tank to Bowl Coupling Kit, Fits for American Standard Champion 4 Toilet Parts AS738756-0070A, Includes Gasket, Bolts and Other Essential Parts for Most 3 Inch Flush Valve Opening Tanks"
brand: "jwodo"
price: "¥4883"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/514795332-3-toilet-tank-to-bowl-coupling-kit-fits-for-american
store_origin: JP
region: Japan
---

# leak-preventing sponge rubber washers rust-proof brass bolts 3'' precision fit gasket 3'' Toilet Tank to Bowl Coupling Kit, Fits for American Standard Champion 4 Toilet Parts AS738756-0070A, Includes Gasket, Bolts and Other Essential Parts for Most 3 Inch Flush Valve Opening Tanks

**Brand:** jwodo
**Price:** ¥4883
**Availability:** ✅ In Stock

## Summary

> 🚽 Upgrade your throne with leak-proof confidence!

## Quick Answers

- **What is this?** 3'' Toilet Tank to Bowl Coupling Kit, Fits for American Standard Champion 4 Toilet Parts AS738756-0070A, Includes Gasket, Bolts and Other Essential Parts for Most 3 Inch Flush Valve Opening Tanks by jwodo
- **How much does it cost?** ¥4883 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/514795332-3-toilet-tank-to-bowl-coupling-kit-fits-for-american)

## Best For

- jwodo enthusiasts

## Why This Product

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

## Key Features

- • **Complete DIY Repair Kit:** Includes all essential parts—gaskets, bolts, nuts, and locking rings—for a hassle-free, professional-grade toilet fix.
- • **Save Time & Money Instantly:** Avoid costly replacements and plumber visits by upgrading your toilet’s tank-to-bowl connection with this reliable kit.
- • **Seamless 3'' Flush Valve Fit:** Engineered for perfect compatibility with American Standard Champion 4 toilets, ensuring a secure, leak-free seal every time.
- • **Advanced Leak-Prevention Tech:** Sponge rubber washers combined with stainless steel washers create a superior non-slip, watertight barrier.
- • **Corrosion-Resistant Brass Bolts:** Premium rust-proof brass bolts guarantee long-lasting durability and maintenance-free performance.

## Overview

The AS738756-0070A 3'' Toilet Tank to Bowl Coupling Kit is a premium, all-in-one repair solution designed for American Standard Champion 4 toilets. Featuring a precision 3-inch gasket, rust-resistant brass bolts, and advanced sponge rubber washers, this kit ensures a durable, leak-free seal. Easy to install and built to last, it’s the smart choice for professionals and DIYers aiming to maintain a flawless flush without costly replacements.

## Description

3'' Toilet Tank to Bowl Coupling Kit, Fits for American Standard Champion 4 Toilet Parts AS738756-0070A, Includes Gasket, Bolts and Other Essential Parts for Most 3 Inch Flush Valve Opening Tanks

## Features

- [WHAT YOU GET] - You will get 1 piece of 3'' green washer, white washer and black ring, 2 pieces of long toilet tank bolts, hexagonal nuts and Black locking rings. The tank to bowl bolts and gaskets coupling kit will keep your toilet tank solidly attached and prevent leaks between the tank and the bowl.
- [PREMIUM MATERIALS] - The AS738756-0070A toilet parts are crafted from high-quality materials to ensure long-lasting durability and reliability. The complete set of washers in our toilet repair kit are made of high-quality materials to ensure durability and prevent leaks. The sponge rubber washers are less likely to break in the toilet tank and provide a secure seal around the bolts, while the stainless-steel metal washers add an extra layer of protection against leaks. The brass bolts are rust and corrosion resistant, ensuring long-lasting performance.
- [LEAK-PREVENTING DESIGN] - Our toilet tank gasket kits feature a specially designed material and shape to prevent leaks, with sponge rubber washers that offer superior non-slip performance. The tapered bolts ensure a perfect fit in your toilet water tank, and the long-lasting rubber gasket material is easy to clean.
- [IDEAL REPLACEMENT] - With our toilet parts replacement kit, repairing your toilet at home is a breeze, saving you time and money on a costly replacement. Our kit includes all the necessary parts and hardware to make the repair process quick and easy.
- [NECESSARY KIT] - Introducing the AS738756-0070A Toilet Tank Replacement Kit - an essential tool for repairing most two-piece toilets, including American Standard Champion 4 models. Featuring a 3" diameter inner gasket, this kit is a complete solution for tank to bowl coupling, making it unnecessary to replace the entire toilet. With this kit, you can fix your toilet and avoid surprise leaks.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Jwodo |
| Part Number | AS738756-0070A |
| Item Weight | 5.6 ounces |
| Country of Origin | China |
| Item model number | AS738756-0070A |
| Size | One Size |
| Color | Green |
| Material | Stainless Steel |
| Number Of Pieces | 7 |
| Cutting Diameter | 3 Inches |
| Included Components | Tank to bowl gasket |
| Batteries Included? | No |
| Batteries Required? | No |
| Assembled Diameter | 3 Inches |

## Images

![3'' Toilet Tank to Bowl Coupling Kit, Fits for American Standard Champion 4 Toilet Parts AS738756-0070A, Includes Gasket, Bolts and Other Essential Parts for Most 3 Inch Flush Valve Opening Tanks - Image 1](https://m.media-amazon.com/images/I/617FWGmEM6L.jpg)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-28*