Complete 1984 Corvette Fuel Tank Sending Unit With Pump And Strainer. When a fuel pump starts to go bad, if your lucky it will tell you, it may surge on take off, or will be hard to start. And if your not lucky, it will just quit, leaving you stranded. A faulty sending unit will give false fuel level readings on the fuel gauge or accasionally none at all. This reproduction unit is designed to be compatible with today's ethanol fuel blends.