Claude. What you have is a level gage. It is a float operated gage. Under the plastic you will find a level gage marked with F-3/4-1/2-1/4-1/8-0. It is a strip gage and not circular. The cork float is the same as the fuselage tank cork. I took mine apart for cleaning and ordered a new cork and the part with the above marks from Univair. The gage part with the marks and arm for the cork is part no.610192-906. If you would like, I'll take a picture of it and post it for you. Cost of cork and the above part number was about $20.00. cork is under $2.00. Rich Blair N99997 - 4J6 St. Marys, Ga.
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