New VW Beetle single circuit master cylinder. This master cylinder has a 19mm plunger. It is standard equipment for all Beetles up to 1964. 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.