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Porsche // 911 & 912 (1965-1989) // 911 1978-1989 3.3L Turbo (930)
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- 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 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
This precision-cut gasket seals the connection between the outer oil reservoir and the inner fender, preventing oil leaks and maintaining proper system pressure.
Fits:
Porsche 911 1973 - 1989
Porsche 911 (930) Turbo 1975 - 1989
Diagram Ref No 13.
As the oil tank gasket ages, it becomes brittle, compressed, or cracked from heat cycles and vibration. This leads to oil seepage around the tank area, creating drips beneath the car, engine-bay contamination, and potential loss of oil pressure. Replacing the gasket restores a proper seal, prevents oil leaks, and helps maintain the health and cleanliness of the lubrication system.
Replace the oil tank gasket when:
• You notice oil drips or seepage around the oil tank
• The gasket appears dry, brittle, cracked, or crushed
• The oil tank is being serviced or removed
• You smell oil fumes from the rear right side of the vehicle
• Oil pressure seems inconsistent due to possible leakage
• Performing a restoration or major engine/oil system refresh
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110719203
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 3.0L 1974-83
Porsche 911 3.2L 1984-89
OE Part numbers
- 91110773010
- 91110773011
Click 'Zoom in' for large parts diagram.
Diagram Ref No 17.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110773013
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 1974-89
Click 'zoom in' for large parts diagram.
Diagram ref no 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91164154105
The product you are viewing cross references to these numbers
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 930 Turbo 1977-89
Diagram Ref No 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010723302
The product you are viewing cross references to these numbers
- 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 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Oil Level Sender Unit Cork Gasket
Prevent oil leaks and maintain the integrity of your Porsche
dry sump lubrication system with this OE Match Oil Level Sender Unit Cork
Gasket. Designed for Porsche 911 models from 1965 to 1989, this
gasket provides the critical seal between the oil level sender unit and the
external oil tank.
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 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram Ref No 4
The oil level sender unit is responsible for monitoring the oil level within the tank and transmitting this information to the dashboard oil level gauge. The cork gasket creates a leak-free seal around the sender flange, preventing oil seepage while maintaining accurate oil level monitoring.
Although small and inexpensive, this gasket plays an important role in keeping the oil system properly sealed. During maintenance, sender replacement or oil tank restoration work, fitting a new gasket is highly recommended to prevent leaks and ensure reliable operation.
What Does an Oil Level Sender Unit Cork Gasket Do?
The gasket sits between the oil level sender unit and the oil tank mounting surface.
Its primary functions include:
- Creating a leak-proof seal
- Preventing oil seepage around the sender unit
- Maintaining oil tank integrity
- Supporting accurate oil level monitoring
- Preventing contamination from entering the oil tank
- Protecting surrounding engine bay components from oil leaks
A properly sealed sender unit helps maintain a clean engine bay and accurate oil system operation.
Why Do Oil Level Sender Gaskets Fail?
Cork gaskets naturally compress over time and are constantly exposed to oil, heat and vibration.
Common causes of failure include:
- Age-related hardening
- Compression set
- Shrinkage over time
- Heat cycling
- Oil saturation
- Improper installation
- Damage during sender removal
- Long-term storage deterioration
As the gasket loses elasticity, oil can begin to seep around the sender mounting flange.
When Should the Gasket Be Replaced?
The gasket should always be replaced whenever the oil level sender unit is removed.
Common signs of failure include:
- Oil leaks around the oil tank sender unit
- Oil residue on the oil tank
- Oil staining in the engine bay
- Perished or brittle gasket material
- Sender unit removal during servicing
- Oil tank refurbishment projects
- Oil level sender replacement
Replacing the gasket during routine maintenance is inexpensive insurance against future oil leaks.
Why Replacement Matters
A leaking oil sender gasket may appear minor but can lead to persistent oil leaks and unnecessary mess within the engine bay.
Benefits of replacement include:
- Prevents oil leaks
- Maintains proper oil tank sealing
- Protects engine bay components
- Supports accurate oil level monitoring
- Improves reliability
- Reduces maintenance clean-up
- Ideal for restoration projects
- Restores factory sealing performance
For classic Porsche 911 models, maintaining the dry sump oil system is essential for both reliability and originality.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91420189100
The product you are viewing cross references to these numbers