--- product_id: 8526447 title: "KOHLER GENUINE PART GP1039444 FLAPPER FOR ONE-PIECE TOILETS WITH CLASS FIVE TECHNOLOGY" brand: "kohler" price: "$22.21" currency: USD in_stock: true reviews_count: 13 category: "Kohler" url: https://www.desertcart.us/products/8526447-kohler-genuine-part-gp1039444-flapper-for-one-piece-toilets-class store_origin: US region: United States of America --- # Precision OEM fit Quick 30-sec install Corrosion resistant KOHLER GENUINE PART GP1039444 FLAPPER FOR ONE-PIECE TOILETS WITH CLASS FIVE TECHNOLOGY **Brand:** kohler **Price:** $22.21 **Availability:** ✅ In Stock ## Summary > 🚽 Upgrade your flush game with Kohler’s precision-engineered flapper! ## Quick Answers - **What is this?** KOHLER GENUINE PART GP1039444 FLAPPER FOR ONE-PIECE TOILETS WITH CLASS FIVE TECHNOLOGY by kohler - **How much does it cost?** $22.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/8526447-kohler-genuine-part-gp1039444-flapper-for-one-piece-toilets-class) ## Best For - kohler enthusiasts ## Why This Product - Trusted kohler brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seal the Deal:** Reliable Class Five technology flapper guarantees leak-free performance every flush. - • **Effortless Upgrade:** Simple 30-second installation with included chain and clip—no extra parts needed. - • **Durability That Lasts:** Corrosion-resistant rubber material built to withstand years of daily use without degradation. - • **Engineered for Perfection:** Designed exclusively for select Kohler one-piece toilets ensuring flawless compatibility. - • **Warranty-Safe Replacement:** Protect your Kohler warranty by choosing genuine parts trusted by professionals. ## Overview The KOHLER Genuine Part GP1039444 Flapper is a corrosion-resistant, OEM-quality replacement designed exclusively for select Kohler one-piece toilets with Class Five technology. It ensures a perfect fit, leak-free performance, and easy installation in under 30 seconds, helping maintain your toilet’s warranty and longevity. ## Description Product Description Protect the warranty on KOHLER products, always look for the KOHLER GENUINE PARTS logo. KOHLER GENUINE PARTS are designed by KOHLER engineers to maintain original product performance and promote product longevity. From the Manufacturer Kohler Genuine Part, Flapper, One piece toilets with class five technology31/4'flapper. Review: Easy to install, solid quality - While the product does not come with instructions, I feel like that's not necessarily a drawback. If you are peeking inside a toilet tank and getting your hands in it, you should have some kind of knowledge of what you are trying to accomplish. Regardless, this is a very simple and straightforward replacement, and if you need help you can search the internet as easy as you can search for the product on desertcart. Quality is OEM and solid. These will last a minimum of several years with normal use / environment. The use of chemical agents in the tank water will increase the degradation of items in the tank, so it's not advised. A simple 30 second swap wil ltake care of a leaky, aged flapper. It does come with the chain and clip for easy attachment to the handle rod. No need to re-use or remove the old chain and clip. Economical and functional. Review: Worked great - Fit quality and price was great Easy to install and sturdy Seals like it should ## Features - Protect the on KOHLER products, always look for the KOHLER GENUINE PARTS logo - For One-Piece Kohler toilets with 3 1/4" flappers - This is not a universal fit part. Made exclusively for specific Kohler toilets - Compatible with the following KOHLER tank models: Cimarron 3489, 3802, 11889, Memoirs 3451, 3453 - Tank number can be found inside the toilet tank - Corrosion resistant ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001GZZH06 | | Best Sellers Rank | #42,495 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #43 in Toilet Flappers | | Brand Name | Kohler | | Color | Red | | Customer Reviews | 4.5 4.5 out of 5 stars (1,233) | | Global Trade Identification Number | 00650531662620 | | Included Components | Toilet Flapper | | Installation Method | Floor Mounted | | Item Dimensions D x W x H | 2.5"D x 3.5"W x 2.5"H | | Item Type Name | Toilet Flapper | | Item Weight | 45 Grams | | Manufacturer | Kohler | | Manufacturer Part Number | GP1039444 | | Manufacturer Warranty Description | Warranty | | Material Type | Rubber | | Model Number | K-GP1039444 | | Shape | shape | | UPC | 650531662620 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Kohler - **Color:** Red - **Item Weight:** 45 Grams - **Material:** Rubber - **Product Dimensions:** 2.5"D x 3.5"W x 2.5"H ## Images ![KOHLER GENUINE PART GP1039444 FLAPPER FOR ONE-PIECE TOILETS WITH CLASS FIVE TECHNOLOGY - Image 1](https://m.media-amazon.com/images/I/61uFZM097YL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy to install, solid quality *by V***T on October 18, 2023* While the product does not come with instructions, I feel like that's not necessarily a drawback. If you are peeking inside a toilet tank and getting your hands in it, you should have some kind of knowledge of what you are trying to accomplish. Regardless, this is a very simple and straightforward replacement, and if you need help you can search the internet as easy as you can search for the product on Amazon. Quality is OEM and solid. These will last a minimum of several years with normal use / environment. The use of chemical agents in the tank water will increase the degradation of items in the tank, so it's not advised. A simple 30 second swap wil ltake care of a leaky, aged flapper. It does come with the chain and clip for easy attachment to the handle rod. No need to re-use or remove the old chain and clip. Economical and functional. ### ⭐⭐⭐⭐⭐ Worked great *by S***S on May 21, 2025* Fit quality and price was great Easy to install and sturdy Seals like it should ### ⭐⭐⭐⭐⭐ Perfect fit *by B***A on January 14, 2023* Our toilet has been leaking for a very long time and I’ve replaced the flapper three times with different flappers and the toilet still kept leaking. We had a plumber come out a replace other parts in the toilet and it still leaked. The plumber came back out and said I can’t use a generic flapper on a Kohler toilet. So I ordered this flapper and it Finally stopped my toilet from constantly draining! It only took a few seconds to install and fits perfectly! ## Frequently Bought Together - KOHLER GENUINE PART GP1039444 FLAPPER FOR ONE-PIECE TOILETS WITH CLASS FIVE TECHNOLOGY - Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3" - Kohler GP83996 4.06-Inch by 2.56-Inch ID Flush Valve Gasket --- ## 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.us/products/8526447-kohler-genuine-part-gp1039444-flapper-for-one-piece-toilets-class](https://www.desertcart.us/products/8526447-kohler-genuine-part-gp1039444-flapper-for-one-piece-toilets-class) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-22*