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B & K Proline 888-574HC Quarter Turn Ceramic Cartridge for 12″ Sillcock

Bright brass stem and cartridge with red rubber o-rings black rubber washers and stainless washers and screw.
B & K Proline 888-574HC Quarter Turn Ceramic Cartridge for 12" Sillcock - Image 2
Bright brass stem and cartridge with red rubber o-rings black rubber washers and stainless washers and screw.
B & K Proline 888-574HC Quarter Turn Ceramic Cartridge for 12" Sillcock - Image 4

chat iconWHAT 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

$41.27

 

The Mueller B&K 888-574HC is a 12-inch replacement stem assembly designed specifically for quarter-turn, anti-siphon, frost-free sillcocks. It is used to repair outdoor faucets that have developed leaks or failed internal flow control, typically serving as a direct replacement for B&K models 104-821 through 104-831 and 104-791 through 104-799.

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: 75721 Category: Tag:

Repair your leaky outdoor faucet with the genuine B&K ProLine 888-574HC 12-inch Stem Repair Kit. Designed for fast, reliable repair of 12-inch anti-siphon frost-free sillcocks, this complete kit replaces the internal components of popular 1/4 turn faucet models, ensuring smooth, leak-free operation.

 

888-574HC

 

  • The kit typically includes the stem assembly, washers, and packing material needed for installation.
  • Stem measures 15 1/8″

 

Customer submitted images. 

 

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…

“Stop in Noel's , the counter man was very friendly, knowledgeable, and handled me the part I needed with in 2 minutes. I also got some professional advice. I will buy all of my plumbing needs here in the future. We home owners need business like this . ”
-Eric O.
02/29/2020