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Product Information
Product Information

Fuel Tank Cap – Yellow Zinc 

Complete your classic Porsche restoration with this OE Match Fuel Tank Cap, finished in the correct yellow zinc plating for an authentic factory appearance. This premium replacement fuel cap restores both the functionality and originality of your vehicle's fuel system.

Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 911 1975-1977 3.0L Turbo (930)
  • Porsche 356B 1959-63
  • Porsche 356C 1963-65
  • Porsche 914 (1970-1976)

The fuel tank cap plays an essential role in sealing the fuel tank, helping to prevent fuel contamination while reducing the risk of fuel vapour escaping. Over time, original caps can suffer from corrosion, worn sealing surfaces, damaged threads and deteriorated finishes, particularly after decades of use and exposure to moisture, fuel and changing temperatures.

Manufactured to OE Match standards, this replacement cap combines dependable sealing performance with the correct period-correct yellow zinc finish, making it an ideal choice for concours restorations, sympathetic refurbishments and routine maintenance.

What Does the Fuel Tank Cap Do?

The fuel tank cap provides a secure seal for the fuel filler neck, protecting the fuel system from dirt, dust and moisture while helping maintain correct tank pressure.

Its primary functions include:

  • Sealing the fuel tank.
  • Helping prevent fuel leaks.
  • Protecting against contamination.
  • Reducing fuel vapour loss.
  • Maintaining safe operation of the fuel system.
  • Completing the original appearance of the fuel filler compartment.

A properly functioning fuel cap is an important component for both vehicle safety and reliable operation.

Why Replace the Fuel Tank Cap?

Years of regular use and environmental exposure can cause the fuel cap to deteriorate.

Common issues include:

  • Corrosion of the original finish.
  • Damaged or worn sealing surfaces.
  • Worn locking tabs or threads.
  • Fuel odours caused by poor sealing.
  • Cosmetic deterioration during restoration.
  • Missing or incorrect replacement caps.

Replacing the fuel cap restores both the appearance and functionality of the fuel system while helping maintain the originality of your classic Porsche.

Features

OE Match replacement fuel tank cap. Correct yellow zinc plated finish. Manufactured for accurate fitment. High-quality steel construction. Helps provide a secure seal. Corrosion-resistant finish. Restores factory-correct appearance. Ideal for concours restorations and classic Porsche refurbishment. Simple direct replacement installation.       
Diagram ref no 42

Related reference numbers
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90120127102
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90120127101
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