Master Plumber Flapper Class Five For Kohler Toilet - OEM GP1078441 Replacement With Chain

About This Product

Is your Kohler toilet running constantly? This Master Plumber Flapper is the exact OEM replacement you need (fits models that use GP1078441, also replaces Kohler part numbers 1016546 and 1042313). It's a Class Five flapper designed to create a solid seal and stop leaks. The kit includes the flapper, a chain, and a hook for easy installation. Master Plumber is a trusted Canadian brand that specializes in genuine OEM plumbing parts, so you know it's made to match Kohler's specs. Installing it is a straightforward DIY job—usually takes just a few minutes with basic tools. Just turn off the water, empty the tank, remove the old flapper, and attach this one with the included chain adjusted to the right length. A good seal means no wasted water and a quieter toilet. This part is ideal if your current flapper is worn, cracked, or not closing properly. Keep your toilet working efficiently and avoid those annoying phantom flushes. Whether you're a homeowner, landlord, or handyman, this is a reliable, affordable fix. Master Plumber stands behind their products with solid customer support. Get your toilet back in shape quickly with this genuine replacement flapper.