Fuel tank cap plastic type. Porsche 911 1978-89  ❭  91120127210

Fuel tank cap plastic type. Plastic replacement
This OE Match Fuel Tank Cap (Plastic Type) is a high-quality replacement component designed to match original Porsche specifications. Installed on the fuel filler neck, this cap provides a secure closure to the fuel system, maintaining proper pressure and preventing fuel vapour escape on Porsche 911 models.

Fits:
Porsche 911 1978 - 1989

Designed specifically for late air-cooled Porsche 911 models, this plastic-type cap offers a lightweight and reliable alternative to older metal versions, while retaining correct fitment and functionality. It is an essential component for both routine maintenance and restoration work.

This fuel tank cap seals the fuel system, preventing leaks and vapour loss while protecting the tank from external contamination.

Function
• Provides a secure seal for the fuel filler neck
• Prevents fuel vapour escape and leaks
• Protects against dirt, moisture, and contaminants
• Helps maintain correct fuel system pressure
• Ensures safe and reliable fuel system operation

A worn or faulty fuel cap can lead to fuel vapour leaks, reduced fuel efficiency, and contamination of the fuel system. Over time, seals within the cap can degrade, compromising its ability to maintain proper pressure. Replacing the cap ensures safe sealing, protects the fuel system, and maintains optimal vehicle performance.

When to replace
•  Cap no longer seals tightly
•  Visible cracks or wear in plastic housing
•  Signs of fuel smell or vapour leakage
•  Seal appears damaged or hardened
•  During fuel system maintenance or restoration

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91120127210

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