Upgrade your braking confidence with this Air Cooled VW Master Cylinder designed specifically for disc brake conversions. If you’ve swapped out your drum brakes for a modern disc brake setup, this 20.6mm piston dual circuit master cylinder delivers the precise hydraulic force your system demands.
Features • Dual circuit hydraulic design • 20.6mm piston bore • Optimized for all 4-wheel disc brake setups • Four side ports for flexible plumbing • Top port for front-right brake line • Two lower ports for brake light switches • Two upper ports for rear and front-left brake lines
Fitment Beetle, Standard 1967–1977 Beetle, Super 1971–1977 Karmann Ghia 1967–1974 Thing 1973–1974 Type 3 1967–1973
Tech Note This master cylinder has four ports on the driver's side of the bore. The two lower ports are for brake light switches; the two upper ports connect to the rear brake line and front left brake line. The single top port feeds the front right brake line.
Help Resource Need help with installation? Bench bleeding guidance? Tap into our Mid America Motorworks Knowledge Library articles below—written by enthusiasts, for enthusiasts:
Air Cooled VW Master Cylinder Typical Removal and Installation Procedure
Air Cooled VW Master Cylinder Typical Bench Bleeding Procedure
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