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Washerless Cartridge for Pioneer X-3400001

White plastic carttridge with brass limit stop brass stem black rubber o-ring and stainless bottom.
White plastic cartridge with brass limit stop brass handle connection copper clip with black o-ring and stainless bottom.
White plastic carttridge with brass limit stop brass stem black rubber o-ring and stainless bottom.
White plastic carttridge with brass limit stop brass stem black rubber o-ring and stainless bottom.
White plastic carttridge with brass limit stop brass stem black rubber o-ring and stainless bottom.

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“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

$21.47

 

The Pioneer X-3400001 is a genuine washerless replacement cartridge designed for single-handle tub and shower valve sets.

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: 20511a Category: Tag:

Restore your shower’s performance with the Genuine Pioneer X-3400001 Replacement Cartridge. Designed for single-handle 4010B and 4011B valve sets, this washerless unit features an adjustable temperature limit stop to ensure scald-free, precise control over your water temperature.

 

X-3400001     

 

This cartridge has a single alignment tab.

 

White plastic carttridge with brass limit stop brass stem black rubber o-ring and stainless bottom.

If your cartridge has 2 alignment tabs, use the link below to that cartridge. 

 

Single Handle Cartridge for Pegasus Faucets RP22003

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…

“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