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Kohler 1266657 Single Handle Cartridge 1192521 Simplice

Grey plastic cartridge with white plastic square handle connection with black bottom and clear washer.
Kohler 1266657 Single Handle Cartridge 1192521 Simplice - Image 2
Kohler 1266657 Single Handle Cartridge 1192521 Simplice - Image 3

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“Love Noel's Plumbing Supply! They are one of my favorite oddball plumbing parts purveyors. As a professional plumber, I rely on sites like Noel's to keep antique and rare fixtures alive. My customers and I are so grateful! ”
-Danielle E.
03/25/2026

$25.17

 

The Kohler 1266657 is a genuine Kohler valve kit (cartridge) for various single-handle faucets. It is specifically a 25mm short valve with a tall seal, designed to ensure proper water flow and prevent leaks.

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, noelsplumbingsupply@fuse.net, or via the text widget on this screen.

SKU: 12785a Category: Tag:

Stop your leaky faucet instantly and restore smooth handle operation with the Genuine Kohler 1266657 Valve Kit. This authentic OEM replacement cartridge fits various single-lever kitchen and bathroom faucets, including popular models like the Kohler Simplice and Kohler Worth. Built with ceramic discs and premium CPVC materials, this 25mm short-stem valve provides a watertight, drip-free seal that extends the life of your faucet.

 

1266657     1192521

 

  • Valve Kit / Ceramic Cartridge
  • Valve kit used in various Kohler single handle faucets
  • 25MM short valve with a tall seal
  • Engineered to promote product longevity
  • Made with premium materials for enhanced durability

Common questions about this product

Is this item the original manufacturer's recommended replacement part? chevron-icon

Yes, this is the OEM recommended part.

Is this the correct item for my application? chevron-icon

If you’re not sure text us a picture 1-888-275-6635 or email us a picture at noelsplumbingsupply@fuse.net.

 

We will make sure you have the right part.

 

 

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“Order received and installed. Thank you very much (spoken mentally in my best Elvis voice). Really is nice to know that there is still a business out there that's got their act together! Appreciate the quick service and correct parts shipping. Thanks again.. jP ”
-Jack P.
04/02/2026
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