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Air Cooled VW 1954-1967 Brake Fluid Reservoir Master Cylinder Plug 113611817

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Item ID: 336-027
VW reference #: 113-611-817
Availability: In Stock - Ships today if ordered by 3 PM CT
Fits Years:
  • Beetle, Standard 1954-1966
  • Karmann Ghia 1960-1967
  • Type 3 1965-1967
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  • Description

1954-1967 Brake Fluid Reservoir Master Cylinder Plug 113611817 - OEM Number(s) (113-611-817)

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

Also known under these part numbers: (For reference only)

  • 113 611 817
  • 113-611-817
  • 113611817
  • 686420246558
  • 98-6683-B
Prop 65