Sigma 18.07.056 Single Handle Faucet Cartridge

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“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

$43.17

 

The 18.07.056 is a single-lever ceramic faucet cartridge primarily manufactured by Sigma (also associated with Hydroplast as the B35 model). It is a standard 35mm replacement part used in various single-handle kitchen and bathroom faucets.

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: 26431-3 Category: Tags: ,

 

Ensure a drip-free seal with this genuine Sigma Faucet replacement part. This ceramic disc cartridge is engineered for 1/4 turn operation, providing smooth handle rotation and long-lasting durability against mineral buildup.

 

B35     18.07.056

 

  • 35 MM Diameter
  • 2 3/4″ length

 

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.

 

 

Will this item replace the original OEM part? chevron-icon

Yes, this aftermarket part will replace your OEM part. 

chat iconWHAT OUR CUSTOMERS SAY…

“The cartridge in my kitchen sink broke last week so I've been without that sink for a whole week. I ordered a replacement from Noel's, which I could not find anywhere else and it worked perfectly. Thank you! You saved me! ”
-Matt F.
09/19/2025