Yep, i understood what you meant
search clearance lights
like this, probably
https://www.etrailer.com/Vehicle-Lig...s/CB-15AK.html
You can buy just singles if you look around
or
Sadly, I'm pretty sure I tossed the ones I took off mine but PM me if you want & I'll take a look in the garage to see if they are still out there....