Sandwich ring adapter replacement center nut

Save money purchasing a new sandwich ring adapter when swapping the adapter from a prior vehicle to a new installation. Just purchase the center nut. Available sizes are 18mm, 20mm, 22mm, 13/16”, and 3/4” threads.

The black one is for older adapters with single port (click "View Images" to view picture). The silver one is for adapters with 2, 3, or 4 ports including new duplex adapter..

Advise us the thread required. Contact us and we will advise you the thread size you need.