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Arrowhead Brass PK2004 420 Series 4″ Frost Proof Wall Hydrant Stem

Copper stem with brass end with black rubber seals polished chrome handle connection.

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

$48.27

 

The Arrowhead Brass PK2004 is a genuine replacement stem assembly designed for the 4-inch 420 Series frost-proof wall hydrant. It measures 8 inches in overall length and includes the packing nut, seals, and O-ring needed for repair.

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: 9pk2004 Category: Tag:

Fix leaky outdoor faucets instantly with the Arrowhead Brass PK2004 Replacement Stem Assembly. Designed specifically for 4-inch Arrowhead 420 Series frost-proof wall hydrants (420BFP), this genuine OEM replacement part ensures a perfect fit and reliable performance.

 

  • Designed for use with the Arrowhead Brass 420 Series Anti-Siphon Wall Hydrant (specifically the 420BFP model).
  • 420 Series stem assembly- 4″ hydrant (measures 8″ end to end).
  • Anti-siphon series with built in check assembly (PK2016).
  • 12-pt handle spline.

 

PK2004

 

UPC:690043001418

 

Customer submitted image. 

 

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…

“Thank you very much. Your customer service is outstanding. Since I want to keep my very old (1988) Kohler San Raphael toilet for years to come. , it’s good to know that you have parts I could need in the future! ”
-Cathy G
10/31/2024
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