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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.

chat iconWHAT OUR CUSTOMERS SAY…

“Hey these guys are awesome! If you need a part for a fixture they have it send a picture and they can tell you what it is, they know their stuff, they have the weird obscure things you can't find unless you get a whole trim kit or whatever. Worth the trip and the money. They save you tons of time definitely visit ”
-Justin H.
06/05/2026

$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…

“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
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