New VW Beetle single circuit master cylinder. This master cylinder has a 17.5mm plunger. It is standard equipment for 1965-66, but will also work on earlier Beetles .It also fits dune buggies that use early VW beetle master cylinders.
Please note: This master cylinder is NOT the style that uses a screw in master cylinder. This unit uses a grommet and attaches to a remote master cylinder reservoir on the vehicle's front apron. Search buggy master cylinder in our search bar if you are looking for the style with the screw in reservoir.