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B & K Proline 889-581 Frost Free Faucet Cartridge

Brass cartrdige with black rubber o-rings.
B & K Proline 889-581 Frost Free Faucet Cartridge - Image 2
B & K Proline 889-581 Frost Free Faucet Cartridge - Image 3

chat iconWHAT OUR CUSTOMERS SAY…

“Sent Noel’s plumbing and image of what was needed, not being able to find it. They had it sent to me within a week and fitment was perfect. 👍 ”
-Lorenzo H.
03/12/2026

$28.47

 

The ProLine 889-581 is a specific ceramic cartridge used for repairing old-style frost-free outdoor faucets (sillcocks) made by B&K Mueller.

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: 23205 Category: Tag:

Repair your outdoor faucet with the authentic B&K Proline 889-581 ceramic cartridge. Designed specifically for older “old style” ProLine frost-free faucets (not compatible with new models), this 3-13/16 inch cartridge restores 1/4-turn, leak-free operation to your wall hydrant.

 

889-581

 

  • It is specifically for the “old style” B&K Mueller ProLine frost-free faucets and not compatible with the newer models.
  • It is a 1/4-turn cartridge, meaning the water flow goes from off to on with a quarter turn of the handle.
  • The cartridge provides key internal flow control and a water-tight connection within the sillcock valve body.
  • 3 13/16″ Length

 

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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 have come here as a maintenance technician countless times. NOT ONCE did these guys fail to impress me with their knowledge. They are across town for me and I don’t complain due to their unmatched service. I can bring in a busted chewed up cartridge or part and within 10 seconds the guys are like “ yup we have one right over here” and will bring me the exact match from what I had. Simply top tier. -SNS management ”
-Isaac G.
06/15/2024