Restore like-new performance to your fixture with this part — For Delta 123030 Cap Nut. Precision-engineered for an exact fit and long service life, it installs cleanly with no modifications and brings back smooth, reliable operation.
For Delta 123030 Cap Nut.
The Plumbing Part Doctor specializes in hard-to-find replacement parts for luxury showers, tubs and faucets — helping you repair the fixture you have instead of replacing the whole system. All parts ship from our U.S. warehouse with flat-rate standard and overnight options. Need help confirming compatibility? Our parts specialists are just a call away.