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Kohler K-GP77759 Pressure Balance Mixer Cap

Black plastic cartridge with brass handle connection with metal plate and stainless screws with black rubber seals.
Kohler K-GP77759 Pressure Balance Mixer Cap - Image 2

chat iconWHAT OUR CUSTOMERS SAY…

“Amazing experts!!! Very helpful!! Even available after hours!!! ”
-Brenda Y
09/04/2023

$58.47

 

The Kohler K-GP77759 (also listed as GP77759) is a genuine replacement mixer cap kit designed for Kohler Rite-Temp pressure-balancing shower valves. It is primarily used to fix leaking shower handles, ensure smooth handle rotation, and provide temperature safety through an adjustable limit stop.

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: 10124A Category: Tag:

Kohler Mixer Cap for 1/2″ Pressure Balance Shower Valve

 

K-GP77759

 

  • Designed for use with Kohler K-304 and K-11748 1/2″ pressure-balance valves. It works with most Kohler Rite-Temp shower trim.
  • Temperature limit stop provides temperature control for safety while allowing maximum water temperature
  • Designed to maintain even water temperature and prevent pressure fluctuations during use.

 

Related Documents

 

GP800820 Service Kit Instructions

 

Customer submitted images. 

 

Old shower valve for Kohler.

 

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…

“After trying all over my area, I couldn't find the part for the faucet in my older house. The part I needed was found on the first try on their website and ordering was very easy. It was after hours, but someone responded to my text right away. The part was shipped the next business day. After putting the new part in the faucet works better than it has for years! ”
-Mark B.
06/25/2026
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