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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 912 1965-69
Porsche 911T-E/E/S 1972 (rear wing filler type cars)
Porsche 911 T-V 1972 (rear wing filler type cars)
Porsche 356 CARRERA 1500 GS/GT 1950-59
Porsche 356 B/C 1960-65
Click 'Zoom in' for large parts diagram.
Diagram ref no 24
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG20727100
The product you are viewing cross references to these numbers
- 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Related, superseded, cross reference or alternative numbers for comparison.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
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
Oil Filler Cap Seal – Cork
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
Key Features
• Direct replacement oil filler cap seal
• Suitable for Porsche 928 and 928S models
• 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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810771100
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Oil Filler Cap with Seal
High-quality replacement oil filler cap designed for Porsche 928 models with the rotary knob made of anodized aluminum.
This cap seals the engine oil filler neck, preventing oil
leaks and contamination while maintaining correct pressure within the engine. A
secure and properly functioning oil cap is essential for protecting engine
components and ensuring efficient lubrication.
Fits:
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Diagram ref no 25
Manufactured to OEM specifications, this oil filler cap offers precise fitment and durability, making it ideal for routine maintenance, repair, or restoration of Porsche 928 engines.
Key Features
• Direct replacement oil filler cap
• Suitable for Porsche 928 models
• Ensures secure sealing of the oil system
• Prevents oil leaks and contamination
• OEM-style fit and finish
• Durable construction for long-term reliability
Function and Purpose
This oil filler cap is a critical component of the engine lubrication system.
It helps to:
• Seal the oil filler opening securely
• Prevent oil leakage during operation
• Protect engine oil from contaminants
• Maintain proper crankcase pressure
Why Replace Your Oil Filler Cap
Over time, oil caps can wear or degrade.
Common issues include:
• Cracked or worn seals
• Oil leaks around the filler neck
• Loose or damaged cap threads
• Contamination entering the engine
Replacing the cap ensures proper sealing and engine protection.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92819971003
The product you are viewing cross references to these numbers