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- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche Carrera GT 2003-06
Fits:
Porsche 996 Turbo 2001-05
Porsche 997 Turbo MKI & MKII 2007>>
Porsche Carrera GT 2004-06
Porsche 996 GT3 3.6L 2000-05
Porsche 997 GT3 3.6L 2007-09
Porsche 997 GT3 3.8L / 4.0L 2010>>
Click 'Zoom in' for large parts diagram.
Diagram Ref No 15.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99660614002
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
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Fits:
Porsche 911 1965-73
Click 'Zoom in' for large parts diagram.
Diagram Ref No 35.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90164154100
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)
Oil Level Sender
Maintain accurate monitoring of your classic Porsche's dry
sump lubrication system with this Oil Level Sender. This high-quality replacement sender is manufactured to OE
specifications, ensuring precise fitment, dependable operation and accurate oil
level readings.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
-
Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Diagram Ref No 2
The oil level sender is mounted within the external oil tank and continuously measures the engine oil level, transmitting this information to the dashboard oil level gauge. Accurate oil level indication is particularly important on air-cooled Porsche engines, where maintaining the correct oil quantity is essential for effective lubrication, cooling and long-term engine reliability.
Over time, original senders can become worn, contaminated or suffer electrical failure, resulting in inaccurate gauge readings or complete loss of oil level indication. Replacing the sender restores confidence in your dashboard instrumentation and helps ensure your engine always operates with the correct oil level.
What Does the Oil Level Sender Do?
The oil level sender monitors the quantity of oil stored within the external oil tank and sends an electrical signal to the dashboard oil level gauge.
Its functions include:
- Monitoring engine oil level.
- Providing accurate readings on the dashboard gauge.
- Helping prevent overfilling or underfilling.
- Supporting routine maintenance checks.
- Protecting the engine from low oil levels.
- Assisting with safe and reliable engine operation.
A correctly functioning oil level sender allows you to monitor one of the most important systems on your air-cooled Porsche.
Why Replace the Oil Level Sender?
After years of service, oil contamination, vibration and electrical wear can affect the sender's accuracy and reliability.
Replacement is recommended if you experience:
- Incorrect oil level gauge readings.
- Gauge fluctuating unexpectedly.
- Oil level gauge permanently reading full or empty.
- Intermittent oil level indication.
- Internal corrosion.
- Worn float mechanism.
- Oil leaks around the sender seal.
- Electrical connection faults.
Replacing a faulty sender restores accurate oil level monitoring and helps avoid unnecessary concern caused by incorrect gauge readings.
Symptoms of a Faulty Oil Level Sender
Common symptoms include:
- Oil level gauge not responding.
- Inaccurate oil level readings.
- Fluctuating gauge movement.
- Gauge stuck at one position.
- Oil seepage around the sender.
- Corroded electrical terminals.
- Difficulty monitoring engine oil level accurately.
If these symptoms are present, the sender and its wiring should be inspected and replaced where necessary.
Benefits
Installing this OE Match Oil Level Sender provides:
- Restores accurate oil level readings.
- Improves confidence in dashboard instrumentation.
- Helps maintain correct engine oil level.
- Supports long-term engine protection.
- Factory-quality fit and finish.
- Reliable electrical performance.
- Straightforward installation.
- Perfect for restoration and routine servicing.
Installation Recommendations
Professional installation is recommended when servicing the oil tank or lubrication system.
While replacing the oil level sender, it is advisable to
inspect or replace:
- Oil level sender gasket or seal.
- Oil tank mounting hardware.
- Electrical terminals.
- Wiring connections.
- Dashboard oil level gauge.
- Oil tank breather hoses.
- Oil tank for internal contamination.
- Engine oil and oil filter if due for service.
After installation, verify the oil level with the engine at operating temperature and idling on level ground, following Porsche's recommended oil level checking procedure.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90164154100
The product you are viewing cross references to these numbers