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Delta · Hardware & Fasteners
17991MS
In stock · ships from Knoxville
This is a mini-bulk bag of 4 replacement stem units and seats for Delta single-handle kitchen and lavatory faucets (1600 Series).
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Verified fitment for 2 applications
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Plumbing fixture repair part; not a heavy-duty truck or trailer component. Classified under Hardware & Fasteners in store inventory.
Part data verified against 1 catalog sources
Numbers this part supersedes or interchanges with. Showing 3 of 3.
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The stem and seat assembly is the internal cartridge that controls water flow and temperature. Over time, this component can wear out, causing leaks, drips, or difficulty turning the handle. Replacing the stem and seat restores smooth operation and stops water waste without needing to replace the entire faucet.
Part Number: 17991MS
4 STEM AND HOLDER
Unit: ea
Dealer: Post Onsite
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