What size flapper fits a Kohler toilet?
Matthew Perez
Updated on March 08, 2026
What size flapper fits a Kohler toilet?
The Fits Kohler Class Five 3 inch Flapper Toilet Tank Flapper is designed to fit Kohler parts: 1016546 and 1042313. The exclusive longest lasting red rubber resists chlorine, bacteria, city water treatment, hard water, and well water.
Are Kohler toilet parts interchangeable?
Will another brand of parts fit my Kohler toilet? Fortunately, yes. A commonly known aspect in plumbing is that Fluidmaster actually makes the parts for Kohler toilets. Sometimes they are rebranded and built to the specs for Kohler’s requests, but the innards are the same!
Are toilet flappers universal?
A universal sized toilet flapper used to be the norm, but today toilet flappers can range anywhere from 2″ to 4″ in size. The size of the flapper that your toilet uses usually is determined by a couple of factors. More recently manufactured toilets tend to use 3″ or 4″ flappers, as opposed to 2″ flappers.
Where is the model number on a Kohler toilet?
The model number is located inside the tank, either molded into the china or stamped with blue or black ink. The model number consists of four or five digits and may include a K prefix.
How do I know what model Kohler toilet I have?
The model number is located inside the tank, either molded into the china or stamped with blue or black ink. The model number consists of four or five digits and may include a K prefix. In some cases, the model number is preceded by 97 or F.
Why does my new Kohler toilet keep running?
Leaking or constant running is often caused by sediment or debris lodged in the cap of the fill valve preventing the water from turning off. The fill valve fills the tank and bowl with water after the toilet is flushed. Replace the fill valve if the toilet is still constantly running after flushing the fill valve.
How do I know what flapper to buy for my toilet?
Look at the flush valve drain opening at the bottom of your tank.
- If the opening looks about the size of a baseball or orange, you need a 2″ flapper.
- If the opening looks about the size of a softball or grapefruit, you need a 3″ flapper.
Are there different types of toilet flappers?
3. Types: There are two types of flappers, Adjustable Flappers and Non-Adjustable Flappers, and these flappers are designed for specific flushing capacities of toilets.
How do I find my Kohler part number?
The model number is printed on a tag that is attached to the cold water supply line of the faucet. The supply line is located below the sink, countertop, bath rim, or behind the bowl of a bidet. The model number, or part number, is typically preceded by “P/N.”
How do I know what model toilet I have?
Finding your toilet manufacturer and/or model number: Carefully remove the toilet tank lid and set it gently on the floor, with the bottom facing up. Look for the manufacturer name or a number on the bottom side of the water tank lid.
How do I know what size toilet flapper I need?
Where is the color code on a Kohler toilet?
On the back or side of the inside of the toilet tank. On the back of the toilet tank. On the underside of the toilet bowl.
Where can I get parts for my Kohler portrait toilet?
The search for repair parts for your Kohler Portrait toilet is over. This elegant model has a timeless look, so keeping it in top working condition is worth it. Whether you need flush valves, flappers or gaskets, we have these and more at PlumbingSupply.com ®!
Does Lowe’s replace toilet flappers?
It’s normal for this part to wear out over time, so the need to replace toilet flappers is just part of maintaining a toilet. Luckily, Lowe’s has what you need to fix the problem, including KOHLER toilet flappers, American Standard toilet flappers and TOTO toilet flappers.
What do the numbers mean on a Kohler toilet?
A. Kohler offers many variations of almost all their toilet models, and has experimented in the past with many different features. Typically, numbers (or a single letter/number combination like K4 or Y2) after the 4- or 5-digit model number indicate the color code for your toilet.