Kohler GP83064
Score: 82/100
Kohler 1138648
Score: 75/100Rankings
The Kohler GP83064 is a 2-inch red rubber flapper designed as a genuine OEM replacement part for select older Kohler one-piece toilets. It features corrosion and chemical resistance to chloramines and chlorine tank cleaners, ensuring durability in harsh environments. The product includes a stainless steel chain and hook for lever connection, offering an exact fit for specific vintage models without the need for adjustment.
The Kohler Genuine Part 1138648 Flapper Assembly is an OEM replacement component designed for Kohler toilets, specifically compatible with two-piece models manufactured prior to 2004 that utilize a 2-inch flapper design. It controls water flow from the tank to the bowl and is constructed from durable, chemical-resistant materials to ensure optimal performance and warranty protection. This part is essential for routine maintenance and DIY repairs on compatible units like the San Raphael K-3722.
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| Attribute | | |
|---|---|---|
Material & Durability(2) | ||
Material | TPR/Rubber | Chemical-resistant |
Seal Type | Clip-on | null |
Design & Features(3) | ||
Chain Material | Stainless Steel | null |
Installation Type | Clip-on | Direct replacement |
Flapper Type | Standard Flapper | Flapper Assembly |
Packaging & Support(1) | ||
Warranty Period | 1 year | null |
Compatibility & Fit(1) | ||
Toilet Type Compatibility | One-piece | Two-piece |
Products in the top-left offer the best value (high score, low price).
Search results lack dedicated professional reviews from major outlets like Wirecutter or Consumer Reports. Retailer listings emphasize the product's genuine OEM status, exact fit for listed models, and resistance to corrosion and chemicals, positioning it as a direct fix for aging toilets.
Limited user reviews are available, with feedback praising the product as a simple, problem-free replacement. Common praise centers on easy installation and restored function in compatible toilets, with one user noting the flush valve simply turned into place and the flapper clipped on with no problems.
No independent professional reviews, editorials, or expert analyses from recognized plumbing authorities or consumer reports are available in the source data. Retailers and Kohler's service pages describe the part positively as an essential component for reliable flushing and meticulously designed for performance, emphasizing its OEM quality.
There is a complete absence of consumer reviews, ratings, or testimonials in the available data. One listing explicitly notes zero customer reviews, making it impossible to identify common praise, complaints, or recurring themes from everyday users.
“Replaces original flapper and flush valve that always gave us problems. Flush valve simply turned into place... flapper simply clips onto it... no problems at all.”
