
American Standard 3-Inch Flapper
Score: 70/100
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 American Standard 738920-0070A is a genuine OEM replacement toilet flapper assembly designed specifically for American Standard Cadet 3 model toilets. It offers a reliable, pre-assembled solution for standard 1.6 GPF flushing needs. However, its plastic construction and strict model compatibility limit its versatility and long-term durability compared to premium materials.
| Attribute | ![]() | ![]() |
|---|---|---|
3 inchesbest | 3 inchesbest | |
1 countbest | 1 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Material & Durability(2) | ||
Material | Plastic | Red Rubber |
Seal Type | Standard | 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(5) | ||
Flush Valve Compatibility | American Standard Cadet 3 | 3-inch |
Universal Fit | false | true |
Toilet Type Compatibility | Two-Piece | High-Efficiency Toilets (HET) |
GPF Compatibility | 1.6 | 1.6/1.28 |
Flush Valve Size | 3 inch | 3 inches |

Products in the top-left offer the best value (high score, low price).

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.


