The Kohler GP1078441 is a genuine OEM replacement flapper designed specifically for Kohler two-piece toilets featuring Class Five flushing technology. Measuring 3-1/4 inches in diameter, it is constructed from durable, corrosion-resistant rubber to ensure a proper seal and maintain optimal flush performance. This part is essential for routine maintenance or repair to prevent leaks and weak flushes in compatible models.
Pros
Lower = better sales rank
SHURFLO
Korky
Korky
Qualihome
Korky
Korky
Korky
Essential Values
Kohler
Essential Values
Dalang
Hibbent
Hibbent
IMPRESA
Hibbent
Korky
Korky
iFealClear
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Cons
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Expert Opinion
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How It Compares
vs. Kohler GP83064 (Rialto)
Advantages
Disadvantages
Choose GP1078441 for Class Five two-piece toilets, but select GP83064 for Rialto or older one-piece models.
vs. Kohler K-GP49114 (1-Piece Toilet Kit)
Advantages
Disadvantages
Select GP1078441 for two-piece Class Five repairs, but use K-GP49114 for 1-piece toilet maintenance.
vs. Kohler K-GP1105825 (Flapper with Float)
Advantages
Disadvantages
Use GP1078441 for exact Class Five compatibility, but choose K-GP1105825 if float adjustment is needed for general service.
