---
product_id: 74355234
title: "Kohler GP83996 4.06-Inch by 2.56-Inch ID Flush Valve Gasket"
price: "€ 34.75"
currency: EUR
in_stock: true
reviews_count: 13
url: https://www.desertcart.gr/products/74355234-kohler-gp83996-4-06-inch-by-2-56-inch-id
store_origin: GR
region: Greece
---

# Genuine Kohler OEM part Rigid straight-edge design Precision 2" gasket seal Kohler GP83996 4.06-Inch by 2.56-Inch ID Flush Valve Gasket

**Price:** € 34.75
**Availability:** ✅ In Stock

## Summary

> 🚽 Upgrade your flush game with Kohler’s precision gasket!

## Quick Answers

- **What is this?** Kohler GP83996 4.06-Inch by 2.56-Inch ID Flush Valve Gasket
- **How much does it cost?** € 34.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/74355234-kohler-gp83996-4-06-inch-by-2-56-inch-id)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Rigid Edges:** Straight, firm edges prevent warping and maintain tight fit
- • **Trusted Genuine Part:** Kohler OEM quality guarantees long-lasting performance
- • **Effortless Replacement:** Simple swap with canister valves—no plumber needed
- • **Perfect Seal Every Time:** 2-inch gasket ensures leak-proof flush valve connection
- • **Engineered for One-Piece Toilets:** Specifically designed for Kohler’s integrated tank models

## Overview

The Kohler GP83996 is a genuine OEM 2-inch flush valve gasket designed exclusively for one-piece Kohler toilets. Featuring rigid straight edges for a secure, leak-proof seal, it ensures reliable performance and easy installation with canister valves. Backed by high customer ratings, this gasket is the essential upgrade for maintaining your Kohler toilet’s flawless flush.

## Description

Kohler GP83996 Gasket

Review: WORKS AS ADVERTISED - Good value for the money.
Review: The last one lasted fifteen years! - Recently I replaced the flapper and this seal in our Kohler toilet that I installed fifteen years ago. With service like that, why would I not replace them with the same original factory parts? I seemed like a no brainer. Very simple to remove the old one and install, as a crippled old man (like me) can do it. It is very well made.

## Features

- Replacement flush valve gasket for various one-piece Kohler toilets
- 2" gasket seals flush valve to the tank
- Gasket has straight, rigid edges
- Use with canister valves
- Kohler GENUINE Part
- Not a universal fit
- KO.83996 is Kohler part number

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.6 out of 5 stars 435 Reviews |

## Product Details

- **Brand:** KOHLER
- **Color:** Unfinished
- **Shape:** Rectangular
- **UPC:** 885612376343
- **Manufacturer:** KOHLER

## Images

![Kohler GP83996 4.06-Inch by 2.56-Inch ID Flush Valve Gasket - Image 1](https://m.media-amazon.com/images/I/71KygOLHL1L.jpg)
![Kohler GP83996 4.06-Inch by 2.56-Inch ID Flush Valve Gasket - Image 2](https://m.media-amazon.com/images/I/711a5bc0e4L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ WORKS AS ADVERTISED
*by K***N on August 31, 2026*

Good value for the money.

### ⭐⭐⭐⭐⭐ The last one lasted fifteen years!
*by M***E on July 23, 2025*

Recently I replaced the flapper and this seal in our Kohler toilet that I installed fifteen years ago. With service like that, why would I not replace them with the same original factory parts? I seemed like a no brainer. Very simple to remove the old one and install, as a crippled old man (like me) can do it. It is very well made.

### ⭐⭐⭐⭐⭐ Good replacement unit.
*by K***R on May 5, 2026*

Did the trick. If, like me, you have a solid toilet (tank and reservoir a single unit), have a pipe handy to easily uninstall and reinstall flush drain pipe. Otherwise, can be a bearcat. YouTube has a good video.

## Frequently Bought Together

- Kohler GP83996 4.06-Inch by 2.56-Inch ID Flush Valve Gasket
- KOHLER GENUINE PART GP1039444 FLAPPER FOR ONE-PIECE TOILETS WITH CLASS FIVE TECHNOLOGY

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.gr/products/74355234-kohler-gp83996-4-06-inch-by-2-56-inch-id](https://www.desertcart.gr/products/74355234-kohler-gp83996-4-06-inch-by-2-56-inch-id)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-10-28*