Seal for Oil Filler Cap Modern Fluorocarbon Rubber (FKM). Porsche 928 1978-86  ❭  92810771100

Oil Filler Cap Seal – FKM Rubber 

High-quality replacement oil filler cap seal designed for Porsche 928 and 928S models.

This gasket fits within the oil filler cap, providing a secure seal to prevent oil leaks and maintain proper engine sealing. It is a critical component for ensuring clean and efficient engine operation.

Fits:

• Porsche 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83

Diagram ref no 31

Unlike the original cork version, this upgraded seal is manufactured from modern fluorocarbon rubber (FKM), offering significantly improved resistance to heat, oil, and ageing for long-term durability.

Key Features

• Direct replacement oil filler cap seal
• Suitable for Porsche 928 and 928S models
• Upgraded FKM (fluorocarbon rubber) material
• Superior resistance to heat, oil, and wear
• OEM-style fit and sealing performance
• Ideal for maintenance and oil leak prevention

Function and Purpose

This seal ensures a tight closure of the oil filler cap.

It helps to:

• Prevent engine oil leaks from the filler neck
• Maintain proper engine sealing
• Protect against dirt and contamination
• Support overall engine cleanliness and performance

Why Upgrade from Cork to FKM

Original cork seals are prone to deterioration over time.

Benefits of FKM material include:

• Increased resistance to oil and high temperatures
• Longer service life
• Reduced risk of cracking or shrinkage
• Improved sealing reliability

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Related, superseded, cross reference or alternative numbers for comparison.

92810771100

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