
Kohler GP1078440
Score: 80/100
Essential Values Toto Flapper
Score: 80/100Rankings

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.

The Essential Values PACK Toto Toilet Flapper Replacement is a 4-pack of 3-inch aftermarket rubber flapper valves designed as universal replacements for TOTO toilets. It features high-quality flexible rubber for a tight seal and includes a stainless steel chain and clip hook for easy installation. The product offers broad compatibility with most 3-inch TOTO tank models, providing an affordable alternative to OEM parts.
| Attribute | ![]() | ![]() |
|---|---|---|
2 inches | 3 inchesbest | |
1 count | 4 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Material & Durability(4) | ||
Material | Rubber | Flexible Rubber |
Seal Type | Shark-fin | Standard |
Hard Water Resistance | null | true |
Water Resistance | null | true |
Design & Features(3) | ||
Chain Material | Not specified | Stainless Steel |
Installation Type | Direct replacement | Tool-free |
Flapper Type | Shark-fin | Standard Flapper |
Packaging & Support(2) | ||
Pack Quantity (count) | 1 count | 4 count |
Warranty Period | null | None |
Compatibility & Fit(5) | ||
Flush Valve Compatibility | Bottom outlet | 3 inch |
Flapper Diameter (inches) | 2 inches | 3 inches |
Toilet Type Compatibility | One-piece | TOTO G-Max |
GPF Compatibility | null | Standard |
Flush Valve Size | 2 | 3 inch |

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