Mansfield by Prier M-231-3208 400 Series 8" Stem Assembly

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Copper stem with brass threaded end with black rubber washer and brass screw with grey graphite packing and metal washer.

Mansfield by Prier M-231-3208 400 Series 8" Stem Assembly - Image 2

WHAT OUR CUSTOMERS SAY…

“Order received and installed. Thank you very much (spoken mentally in my best Elvis voice). Really is nice to know that there is still a business out there that's got their act together! Appreciate the quick service and correct parts shipping. Thanks again.. jP ”

-Jack P.

04/02/2026

$48.47

The Mansfield M-231-3208 is a specific part number for a Prier Products 8-inch Style H stem assembly designed for 400 Diamond Series freezeless wall hydrants. This part is used for repairing a leaking or broken hydrant stem without needing to replace the entire wall hydrant assembly.

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.

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Stop dealing with a leaking outdoor faucet and fix it yourself with the Prier M-231-3208 8″ Wall Hydrant Replacement Stem. Specifically engineered for the Mansfield Style 400 Diamond Series freezeless wall hydrants, this genuine OEM stem restores your faucet’s tight shut-off and critical frost-proof performance. Instead of cutting into your walls to replace the entire valve assembly, this DIY-friendly drop-in stem lets you fix the leak from the outside using only a screwdriver and pliers.

M-231-3208

It is specifically for use in an 8-inch nominal length 400 Series hydrant.
10 1/2″ Overall length
Made by Prier Products

Related Documents

400 Series Faucet Parts Breakdown

UPC:670210373371

Customer submitted image.

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…

“Fantastic! I walked in with parts to the faucet in my vintage sink and walked out with everything I needed. Chain hardware stores suggested I get a whole new sink and/or would not be able to do it without a plumber. The employee at Noels took a quick look, knew what it was, and had it in stock. I was able to fix my sink in two minutes with their help! ”

-Elizabeth A.

03/14/2021