Fuel tank sending unit for the 1957-1959 cars. This is the “wire type” unit. A lead wire coming off the sending unit has a plastic connector at it’s end. The wire from the dashboard gauge plugs into this connector. This fits cars with 20 gallon tanks. Very few Plymouths and Dodges used 23 gallon tanks, they were mostly limited to performance models such as Fury or D500. This fits:
-1957-59 Plymouth (except any with 23 gallon tank)