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Kohler GP1078440 — Review & Specs | Pricepect | Pricepect

Home Toilet FlappersKohler GP1078440

Kohler GP1078440 — image 1

Kohler

Kohler GP1078440

$10.29$11.4010% off

GP1078440Red1 Count (Pack of 1)

Toilet Flappers

Expert Review Analysis

The Kohler GP1078440 is a genuine 2-inch shark-fin style toilet flapper designed as a replacement part for select Kohler one-piece toilets. It features a corrosion-resistant rubber construction with a red finish and includes an adjustable chain for secure sealing and efficient flushing. This part is specifically engineered for bottom outlet flush valves to ensure a reliable fit.

✓ Best for: Owners of select Kohler one-piece toilets requiring a genuine 2-inch shark-fin replacement for bottom outlet flush valves to restore secure sealing and efficient flushing.✗ Not ideal for: Users with universal toilet models or those seeking generic 2-inch flappers that do not require brand-specific shark-fin design compatibility.

Pros

✓Corrosion-resistant rubber construction ensures long-lasting durability and sanitary performance
✓Shark-fin design provides a secure seal to maintain efficient flushing performance
✓Adjustable chain length allows for easy installation on various one-piece Kohler toilets

Best Seller Rank History

Now#174Best#26Worst#174 -148

Lower = better sales rank

Rating Trend

Rating4.6/ 5Reviews1,515+83 reviews +0.09

Specifications

Design

Height3.0 inches mm

Width3.25 inches mm

Length4.0 inches mm

Weight0.11 pounds g

Flapper Diameter2 inches mm

Features

MaterialRubber

Corrosion ResistanceYes

Chain TypeAdjustable

Flush Valve TypeBottom outlet

Toilet CompatibilitySelect Kohler one-piece toilets

General

BrandKohler

ManufacturerKOHLER

ModelGP1078440

Part NumberGP1078440

ColorRed

Material

ConstructionCorrosion-resistant rubber

Compatibility

Valve TypeBottom outlet flush valves

Dimensions & Weight

Height3.0 inches

Width3.25 inches

Depth4.0 inches

Weight0.110231131 pounds

Research Sources

jacksonshardware.com

generalplumbingsupply.net

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User Reviews

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4.5

(1,432 reviews)

✓Genuine Kohler replacement part guarantees exact compatibility with specific toilet models

Cons

✗Limited to compatibility with select Kohler one-piece toilets with bottom outlet flush valves
✗No specific performance metrics such as seal pressure or flush volume are documented
✗Lacks detailed dimensional specifications beyond the 2-inch diameter measurement

How It Compares

This product is a Kohler-specific genuine part distinguished by its exact fit for Kohler one-piece models with an adjustable chain, unlike generic 2-inch flappers that lack the brand-specific shark-fin design. No performance metrics or direct competitor specs are available for detailed comparison.

Best Budget Kohler‑Specific Toilet Flappers Under $12

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