Legend Valve 108-904A Replacement Cartridge Assembly for 4" T-550A Frost-Free Sillcock

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Bright brass stem with black rubber o-rings and washer seals.

Legend Valve 108-904A Replacement Cartridge Assembly for 4" T-550A Frost-Free Sillcock - Image 2

Legend Valve 108-904A Replacement Cartridge Assembly for 4" T-550A Frost-Free Sillcock - Image 3

Legend Valve 108-904A Replacement Cartridge Assembly for 4" T-550A Frost-Free Sillcock - Image 4

Legend Valve 108-904A Replacement Cartridge Assembly for 4" T-550A Frost-Free Sillcock - Image 5

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

$28.47

The Legend Valve 108-904A is a 4-inch replacement stem and cartridge assembly specifically for “Improved Flow” T-550A frost-free sillcocks, featuring a single O-ring and two end tabs. It measures approximately 7-3/4 inches long without the handle. It is a genuine OEM part designed for easy repair of, or to replace, damaged, or worn-out hydrant components.

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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Legend Hydrant Stem & Cartridge Assembly for 4″ T-550 Hydrant

108-904A

Designed for Legend T-550A “Improved Flow” 4-inch frost-free sillcocks (identified by black/silver disc, post-2007).
7-3/4 inches (without handle) / 8-1/2 inches (with handle).

UPC: 662545081410

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…

“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