Hombre XS Space Cab 2WD V6-4.3L (1998)
Fillpipe Restrictor: Description and Operation
Fillpipe Restrictor
The fillpipe restrictor is used to prevent leaded fuel from being added to the fuel tank. The gasoline pump for unleaded fuel has a smaller nozzle.
The fillpipe restrictor will only allow the unleaded type nozzle to be inserted into the fuel tank.