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Single Handle Faucet Cartridge for Olympia & Pioneer Faucets OP-340009

Tan cartridge with blue top and red ring. Long brass stem that can be cut to length.
Tan cartridge with blue top and red ring. Long brass stem that can be cut to length.
Tan cartridge with blue top and red ring. Long brass stem that can be cut to length.
Tan cartridge with blue top and red ring. Long brass stem that can be cut to length.

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“Y'all are amazing. I live in Texas and it's faster to order express from Noel's than go to local parts stores. Customers can text Noel's a picture of the part they need and Noel's will find that part or the equivalent and text the link. They have 2-3 day shipping available. The staff answers the phone quickly, politely and they know their stuff! The unit I needed plumbing parts for was built in the 30s. No matter, Noels has me covered. I highly recommend them. Thank you Noel's for your efficient, old school excellence combined with current technology! You have saved me so much time, money, and aggravation! A++++++ ”
-Thalia,
07/03/2026

$62.17

 

The Olympia OP-34009 is a 40mm single-handle pressure balance ceramic disc replacement cartridge designed to fix leaks and control water temperature in Olympia tub and shower valves

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

SKU: 66518-1 Category: Tags: ,

Designed specifically for single-lever Olympia tub and shower valves, this heavy-duty 40mm replacement cartridge delivers commercial-grade reliability right to your home bathroom. Whether your shower is leaking, the handle has become difficult to turn, or you are experiencing sudden bursts of freezing or scalding water, swapping in the OP-340009 provides an immediate, cost-effective DIY fix.

 

OP-340009

 

  • 7 1/2″ Length
  • 40 MM diameter
  • Pressure balance ceramic disc cartridge for single-lever faucets.
  • Maintains water temperature within a safe range to protect against sudden changes in water pressure (anti-scalding mechanism).

Common questions about this product

Will this item replace the original OEM part? chevron-icon

Yes, this aftermarket part will replace your OEM 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.

 

 

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

Yes, this is the OEM recommended part.

chat iconWHAT OUR CUSTOMERS SAY…

“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
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