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Item #:
37128221
Kohler Genuine Part Gp1078440 Flapper Shark-fin
90% of respondents would recommend this to a friend
Item #:
37128221
TOP 57
Price Details
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Imported from USA store
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Order now and get it around Tuesday, September 29
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What Stands Out
Durable Material
Constructed from high-quality rubber, this flapper ensures longevity and reliability, reducing the need for frequent replacements and maintaining optimal toilet performance.
Easy Installation
Designed for a straightforward installation process, this flapper allows homeowners to quickly replace their toilet parts without professional help, saving time and reducing service costs.
Leak Prevention
The innovative shark-fin design enhances sealing capabilities, effectively preventing leaks and water wastage, which contributes to lower water bills and promotes eco-friendliness.
Product Details
- Kohler genuine parts designed to maintain original product performance and longevity
- 2-inch shark-fin flapper suitable for various one-piece toilets
- Corrosion-resistant and compatible with bottom outlet flush valve
- Compatible with specific Kohler toilet models including Memoirs, Gabrielle, Santa Rosa, Kathryn, San Raphael, Devonshire, Revival, Ankara, and Rialto
- Measurement at center to center of the inside of the flapper should be 2.1 inches
- Particularly designed to be a 2-inch flapper
| Material | Rubber |
| Brand | Kohler |
| Item dimensions L x W x H | 4 x 3.25 x 3 inches (10.2 x 8.3 x 7.6 cm) |
| Exterior Finish | painted |
| Inlet Connection Size | 2 Inches (5.1 cm) |
| Inlet Connection Type | Flange |
| Outlet Connection Type | Barb |
| Number of Ports | 2 |
| Outlet Connection Size | 2 Inches (5.1 cm) |
| Global Trade Identification Number | 00650531662668 |
Who Should Buy?
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Toilet Repair Needs
Ideal for homeowners needing a reliable flapper for efficient toilet flushing and preventing leaks.
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DIY Enthusiasts
Perfect for individuals who enjoy DIY home repairs without hiring professionals, easily replacing old flappers.
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Kohler Product Users
Best suited for users of Kohler toilets, ensuring compatibility and optimal performance in flushing mechanisms.
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Non-Kohler Toilets
Not suitable for toilets from other brands, as it may not fit or function effectively.
Product Description
Kohler Genuine Part Gp1078440 Flapper Shark-fin
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is the bottom part round or square on this flapper?
Answer: As I recall it is rounded like half an egg with the longer end pointing down. -
Question:
Will it fit serial # sbxbxsg?
Answer: Normally you'd need to specify a model number, Antonio, not a serial number. The shark fin does fit quite a few Kohler models. If you go to the Kohler website, however, I think you can put in your product serial number and the site can tell you what parts are compatible with whatever model belongs to your serial number. -
Question:
Will this seal fit the Kohler model k4590?
Answer: Yes. -
Question:
Does it fit k3402 pb?
Answer: Yes, perfectly. -
Question:
Will it fit serial number sfs374m6j since I can't find the model?
Answer: Yes. -
Question:
Will this fit the Kohler ball 85160?
Answer: Yes, it will fit 85160 Kohler. -
Question:
Will this fit model k4512?
Answer: I don't know. That model is not listed on the package back that I can see. Note that this is the 'shark fin' design. If your original flapper did not have the shark fin, don't buy this one. -
Question:
Is this item a replacement for Kohler part number 89825?
Answer: We are so sorry, we do not know what the Kohler part number is. We had bought flappers at several local stores and finally found this one that worked very well. Sorry we cannot be of more help. -
Question:
Which flapper model number is for a K4445 toilet tank?
Answer: Yes. -
Question:
Will this replace 85655?
Answer: Yes.
Kohler Sink & Bathtub Spouts Editorial Review
The Kohler PART GP1078440 FLAPPER SHARK-FIN is an easy to install and effective replacement part for Kohler toilets. It fits perfectly and works correctly without any adjustments needed. However, it is important to check the model compatibility before purchasing to avoid any fitting issues. Overall, this product is a great value for money and highly recommended for Kohler toilet owners.
Customer Reviews & Ratings
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Pros
- Easy to install
- Works correctly without adjustments
- Great value for money
- Perfect fit for Kohler toilets
Cons
- Compatibility issues if not matched with correct model
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8 September 2026 · via Trustpilot
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