Restore your braking confidence with a fresh master cylinder base grommet.
Even the smallest rubber grommet can compromise safety if it’s cracked or deteriorated. This 1954–1967 Volkswagen Brake Fluid Reservoir Master Cylinder Plug (VW 113611817) seals the reservoir feed line securely to prevent leaks and air intrusion. Precision-molded to OE standards, it ensures reliable brake fluid delivery and consistent pedal feel.
Fits the Following Volkswagen Models: • Beetle, Standard 1954–1966 • Karmann Ghia 1960–1967 • Type 3 1965–1967
Material/Finish • Rubber construction, OE-style molded fit
Dimensions • 4.5mm I.D. • 17.5mm O.D.
Features/Benefits • Direct replacement for VW reference part number 113611817 • Prevents leaks between reservoir and master cylinder • Maintains proper brake fluid pressure and delivery • Rubber compound resists swelling and deterioration • Designed for secure, OE-style fitment • Sold individually, 1 required per Volkswagen
Because Details Matter Strong brakes are the foundation of safe driving, and even the smallest sealing component plays a role in keeping your system intact. A fresh reservoir base grommet prevents leaks, protects your master cylinder, and keeps your VW authentic and roadworthy—because details matter.
Learn more from the Mid America Motorworks Knowledge Library:
Air Cooled VW Master Cylinder Typical Removal and Installation Procedure
Air Cooled VW Master Cylinder Typical Bench Bleeding Procedure