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Kohler Silent Fill Toilet Valve Kit K-GP1138930

Grey and black plastic fill valve with white cap and black fill hose.
Kohler Silent Fill Toilet Valve Kit K-GP1138930 - Image 2

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“The cartridge in my kitchen sink broke last week so I've been without that sink for a whole week. I ordered a replacement from Noel's, which I could not find anywhere else and it worked perfectly. Thank you! You saved me! ”
-Matt F.
09/19/2025

$29.47

 

The Kohler K-GP1138930 is a genuine Kohler Silent Fill Toilet Valve Kit used as a replacement part for many Kohler toilets. It is designed for quiet operation and features an adjustable height for compatibility with various tank sizes.

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: 91060297 Category: Tag:

Kohler Silent Fill Toilet Valve Kit

 

K-GP113890

 

Replaces Kohler 1060297

 

  • Kohler GENUINE Part
  • Silent Fill provides a gracious experience by filling the tank quietly
  • Multiple fill-rate inserts are provided to optimize performance and conserve water
  • Adjustable to accommodate any height
  • Confirm shank color to determine correct Part; if grey, use this Part and if black, use GP1083167
  • Cap color may vary

 

Related Documents

 

K-GP113890 Service Kit Instructions

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.

 

 

chat iconWHAT OUR CUSTOMERS SAY…

“I was at my witts end with a 39 year old American Standard faucet. It had been leaking for many, many months so I contacted American Standard. They referred me to Noel’s Plumbing. My faucet would not have been able to be replaced without removing the whole tub. They immediately contacted me and told me what to do. They stayed with me the whole time till I found the problem although they didn’t get a sale out of me they did fix my problem no more leaky faucet, I have them in my contacts now and will use them anytime I have a plumbing problem. Thank you Noels Plumbing for the best service I’ve ever had!! ”
-as
02/22/2024