Kohler GP1078441
Score: 85/100
Korky 3060BP
Score: 88/100Rankings
The Korky 3060BP is a universal 3-inch toilet flapper designed for high-efficiency toilets, featuring durable red rubber resistant to harsh water conditions. Its main trade-off is the need for manual adjustment of the vent band to match OEM water levels. It is best suited for owners of post-2005 HET toilets with 3-inch flush valves.
The Kohler GP1078441 is a genuine OEM replacement flapper designed specifically for Kohler two-piece toilets featuring Class Five flushing technology. Its key strength is the precise 3.25-inch rubber seal that effectively prevents phantom flushes and maintains high-efficiency performance. However, it is incompatible with non-Kohler models and may degrade faster in hard water environments.
| Attribute | | |
|---|---|---|
3.25 inchesbest | 3 inches | |
1 countbest | 1 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Material & Durability(2) | ||
Material | Rubber | Red Rubber |
Seal Type | Rubber | Adjustable Vent Band |
Design & Features(4) | ||
Chain Material | Standard | Stainless Steel |
Chain Adjustability | false | true |
Installation Type | Direct Replacement | DIY |
Flapper Type | Standard Flapper | Universal Flapper |
Packaging & Support(1) | ||
Warranty Period | 1 Year Limited | 5 years |
Compatibility & Fit(6) | ||
Flush Valve Compatibility | Kohler Class Five | 3-inch |
Universal Fit | false | true |
Flapper Diameter (inches) | 3.25 inches | 3 inches |
Toilet Type Compatibility | Two-Piece | High-Efficiency Toilets (HET) |
GPF Compatibility | 1.28 | 1.6/1.28 |
Flush Valve Size | 3.25 inch | 3 inches |
Products in the top-left offer the best value (high score, low price).
Plumbing experts and editors from sites like Ferguson and CPE Supply highly recommend this part as the definitive OEM replacement for Class Five systems. They highlight its precise 3.25-inch seal as critical for preventing phantom flushes and its durable rubber construction for resisting corrosion.
Everyday consumers generally report high satisfaction, with many noting that the flapper perfectly fits their Kohler models and restores the toilet to like-new flushing performance. Common praise includes the ease of installation and the elimination of running toilet noises.
Professional reviewers and editors do not provide direct quotes or aggregated ratings in the available data. Manufacturer and retailer descriptions emphasize the product as the preferred choice for plumbing professionals, highlighting its adjustable white vent band for matching OEM specifications and its exclusive longest-lasting red rubber material.
There is no available consumer review data, testimonials, or forum discussions to analyze. Consequently, common praise, recurring themes, or specific user complaints cannot be detailed from the provided sources.
“Perfect fit for my Kohler Cimarron-flush like new!”
“No more running toilet; lasted 2 years in hard water”
“Installed in 2 minutes, chain included.”
