
Kohler GP1078440
Score: 80/100
Kohler GP85160
Score: 85/100Rankings

The Kohler GP85160 is a genuine 2-inch blue toilet flapper featuring an integrated adjustable float, designed specifically for 1.6 GPF two-piece Kohler toilets. It offers a tight seal to prevent leaks and includes durable, chlorine-resistant vinyl construction for long-lasting performance. The product comes with a 5-year warranty and is intended as a direct replacement for failing flappers in compatible models.

The Kohler GP1078440 is a genuine 2-inch shark-fin style toilet flapper designed as a replacement part for select Kohler one-piece toilets. It features a corrosion-resistant rubber construction with a red finish and includes an adjustable chain for secure sealing and efficient flushing. This part is specifically engineered for bottom outlet flush valves to ensure a reliable fit.
| Attribute | ![]() | ![]() |
|---|---|---|
2 inchesbest | 2 inchesbest | |
1 countbest | 1 countbest |
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| Attribute | ![]() | ![]() |
|---|---|---|
Material & Durability(2) | ||
Material | Rubber | Plastic/Vinyl |
Seal Type | Shark-fin | Tight seal |
Design & Features(2) | ||
Chain Material | Not specified | null |
Flapper Type | Shark-fin | Flapper with Float |
Packaging & Support(2) | ||
Warranty Period | null | 5 years |
Certifications | null | None |
Compatibility & Fit(2) | ||
Toilet Type Compatibility | One-piece | Two-piece |
GPF Compatibility | null | 1.6 |


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

Retailers and product pages from major home improvement stores describe the Kohler GP85160 as a reliable and efficient solution for toilet maintenance. Reviewers highlight its high-quality materials and precise water level control capabilities, noting it as an ideal choice for homeowners seeking hassle-free performance.
Everyday users generally praise the product for its ease of installation and effectiveness in preventing leaks. Common themes include satisfaction with the adjustable float feature for customizing water levels and the durability of the vinyl material.
