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Porsche // 992 (911) MK1 2019-2024 // 992.1 Carrera 4 3.0L 2019-24
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- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers