Kohler GP1078440 Shark Fin Flapper

Kohler GP1078440 Shark Fin Flapper

Stop the phantom flush and end the constant running water with the Kohler GP1078440 Shark Fin Flapper — the OEM replacement flapper engineered specifically for Kohler toilets. Its distinctive shark fin design creates a reliable, watertight seal that keeps your toilet operating efficiently and your water bill in check.

Key Features

• OEM Kohler replacement flapper — exact fit for compatible Kohler toilet models
• Distinctive shark fin design provides a superior, consistent seal
• Eliminates phantom flushing and running water caused by worn or warped flappers
• Durable rubber construction resists chlorine, bacteria, and hard water buildup
• Easy DIY installation — no tools required
• Helps conserve water and reduce utility costs

Compatibility

Designed for use with compatible Kohler toilet models. Verify your toilet model number before ordering to ensure proper fit. Refer to Kohler's parts lookup or your toilet's documentation for confirmation.

Why Replace Your Flapper?

A worn or deteriorated flapper is one of the most common causes of a running toilet. Left unaddressed, a faulty flapper can waste thousands of gallons of water per year. The Kohler GP1078440 is a quick, affordable fix that restores proper flush performance and seals tight every time.