Kohler K-GP30320 Pressure Balance Adapter Plate

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Grey backing plate with black o-ring and lubricating grease for easy installation.

Weight	0.5 lbs
Dimensions	3 × 1 × 1 in

WHAT OUR CUSTOMERS SAY…

“Went in with an old faucet stem that no big box store carried, left with a replacement in less than 5 minutes. ”

-Andrew J

$20.47

The Kohler K-GP30320 is a pressure balance adapter plate kit designed to allow the use of newer-style pressure balancing units with older Kohler Coralais shower valves. The part number for the kit is often listed as both K-GP30320 and 30320.

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Kohler Pressure Balance Adapter Plate

It is used as an adapter for older style Coralais bath and shower single control valves to be compatible with the newer-style plastic balancing valve (GP71969 cap assembly).
Kohler GENUINE Part
Used with GP71969 cap assembly
Includes o-ring and lube capsule

K-GP30320

Common questions about this product

Yes, this is the OEM recommended part.

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.

Weight	0.5 lbs
Dimensions	3 × 1 × 1 in

WHAT OUR CUSTOMERS SAY…

“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