Single Handle Faucet Cartridge for Olympia KCG 3900003 141223s

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Bright yellow and tan cartridge with red limit stop white square handle connection and grey rubber seal.

Single Handle Faucet Cartridge for Olympia KCG 3900003 141223s - Image 2

Single Handle Faucet Cartridge for Olympia KCG 3900003 141223s - Image 3

Single Handle Faucet Cartridge for Olympia KCG 3900003 141223s - Image 4

Green and tan plastic cartridge with red limit stop white square handle connection and black rubber seal.

Single Handle Faucet Cartridge for Olympia KCG 3900003 141223s - Image 6

Single Handle Faucet Cartridge for Olympia KCG 3900003 141223s - Image 8

WHAT 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

$27.47

The Olympia 3900003 (also referenced as OP-390003) is a single-lever ceramic faucet cartridge used for repairing leaks or controlling water flow in specific kitchen, lavatory, and shower faucets.

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.

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The Olympia 3900003 (OP-390003) is a single-handle ceramic disc faucet cartridge designed for repairing leaks and controlling water flow in specific kitchen and bathroom sink faucets. This durable, easy-to-install cartridge is used in Olympia faucet models, including K5020/K5025, to ensure consistent performance.

3900003

The cartridge below has replaced the original yellow and red cartridge.

Green and tan plastic cartridge with red limit stop white square handle connection and black rubber seal.

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.

WHAT OUR CUSTOMERS SAY…

“Really great experience getting parts for my 30-year old frost free silcocks. They not only had the parts available, but they were shipped within a couple of hours. Great job, thank you! ”

-Phil R

02/08/2026