Sending unit was in a 2006 19’ Sea Boss center console boat.
Gauge would only read 3/4 of a tank or higher.
All other videos recommended replacement.
That’s not always an option right away.
Removed, Disassembled, cleaned, tested and reinstalled.
Saved minimum of fifty dollars or more just for the part it’s self.
These fluid level sending units are used in a variety of different applications and used to measure many different types fluid levels.
Good luck on your findings.