KOHLER GP1078441 Flapper for Two-Piece Toilets
- 3 1/4 in flapper
- Two-piece Kohler with Class Five flush
- Memoirs, Bancroft, Devonshire, Cimarron
- Corrosion resistant material
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A genuine Kohler flapper for two-piece Class Five toilets across several popular lines. Confirm your tank model, since the part is model-specific.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B001H01JY8Model: GP1078441Category: Toilet Flappers
Overview
Not a one-piece flapper, this genuine Kohler part fits two-piece toilets with Class Five flushing, covering many Memoirs, Bancroft, Devonshire and Cimarron models. It seals the flush valve after each flush.
A broad list of two-piece Kohler models makes it a common fix for running toilets. Corrosion resistant material lasts in treated water. Package contents are not listed.
Who it's for
Households with listed two-piece Kohler models suit the part. Anyone with a one-piece toilet needs a different flapper.
Pros and cons
- Genuine Kohler part
- Wide two-piece model list
- Contents not listed
Performance notes
A correctly sized flapper seats flat on the Class Five valve to stop leaks. Material resistance to chlorine slows warping. Adjusting the chain sets flush duration.
Specifications
| Brand | Kohler |
|---|---|
| Model | GP1078441 |
| Toilet type | Two-piece, Class Five |
| Size | 3 1/4 in |
| Material features | Corrosion resistant |
| Compatible models | Memoirs 4485, 4491, 3509, 3515, 3532, 3542, 11461, 4473, 4492, 3511, 3526, 3533, 3548, 11460, 11968; Bancroft 4633, 3487; Devonshire 4708, 3503; Cimarron 4634, 3496, 3497, 3499, 11465, 11466 |
Frequently asked questions
Does the Kohler GP1078441 fit one-piece toilets?
No. It is for two-piece toilets with Class Five technology.
Which Memoirs models does it fit?
Memoirs 4485, 4491, 3509, 3515, 3532, 3542, 11461, 4473, 4492, 3511, 3526, 3533, 3548, 11460 and 11968.
What size is it?
3 1/4 in.