If you want to keep your original carburetor and rebuild it, this carburetor rebuild kit is what you need. This universal aircooled VW carburetor complete rebuild kit fits the following carburetors:
For any of the carburetors above. Beetle, Bus, Ghia, Thing, Camper, Type 3
Note: There are a few "you tube" videos on rebuilding VW carburetors. Just type
in "vw beetle carburetor rebuild" in your browserand you will see links to
carburetor rebuild videos.