
Kohler GP85160
Score: 85/100
TOTO THU500S Flapper
Score: 75/100Rankings

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 TOTO THU500S is a 3-inch OEM replacement flapper designed exclusively for select TOTO toilets with 3-inch flush valves. It features a polypropylene body with a rubber sealing surface and includes an attached chain for straightforward installation. Ideal for DIY tank maintenance in residential bathrooms to fix leaks or inconsistent flushing.
| Attribute | ![]() | ![]() |
|---|---|---|
2 inches | 3 inchesbest | |
1 countbest | 1 countbest |
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| Attribute | ![]() | ![]() |
|---|---|---|
Material & Durability(2) | ||
Material | Plastic/Vinyl | Polypropylene/Rubber |
Seal Type | Tight seal | Rubber |
Design & Features(3) | ||
Chain Material | null | Standard |
Installation Type | Direct replacement | Tool-Free |
Flapper Type | Flapper with Float | OEM Flapper |
Packaging & Support(1) | ||
Warranty Period | 5 years | 1 Year |
Compatibility & Fit(4) | ||
Flush Valve Compatibility | Bottom outlet | TOTO 3-Inch |
Flapper Diameter (inches) | 2 inches | 3 inches |
Toilet Type Compatibility | Two-piece | TOTO Specific |
GPF Compatibility | 1.6 | null |


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.

Product descriptions characterize it as a quiet, dependable OEM upgrade that transforms frustration into reliable performance, emphasizing its adjustability and precise fit for TOTO tanks.
There is no available consumer feedback, testimonials, or forum discussion data for this product.

