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- Porsche 964 (911) TURBO 3.3L 1991-93
Engine Oil Collection Tank
Restore the reliability and efficiency of your Porsche's dry
sump lubrication system with this OE Match Engine Oil Collection Tank. Manufactured to original equipment specifications, this
premium-quality replacement oil tank provides the correct fit, capacity and oil
flow characteristics required to maintain consistent lubrication and engine
protection.
Fits:
- Porsche 964 (911) TURBO 3.3L 1991-93
Diagram Ref No 21
Unlike conventional wet sump engines, the legendary air-cooled Porsche flat-six uses a sophisticated dry sump lubrication system, where engine oil is stored in a separate external oil collection tank. This design allows for superior oil control during high-performance driving, improved engine cooling and a constant oil supply under hard acceleration, braking and cornering.
Whether you're restoring a 964 Turbo, replacing a corroded original tank or carrying out an engine rebuild, this OE Match oil collection tank is engineered to restore factory performance and reliability.
What Does the Engine Oil Collection Tank Do?
The engine oil collection tank is one of the most important components of Porsche's dry sump lubrication system. It stores the engine's oil supply and works with the scavenge and pressure pumps to ensure a continuous flow of clean oil throughout the engine.
Its functions include:
- Storing the engine's oil supply.
- Maintaining a constant supply of oil to the lubrication system.
- Separating air from the returning engine oil.
- Assisting with engine oil cooling.
- Preventing oil starvation during hard cornering and acceleration.
- Supporting stable oil pressure under all driving conditions.
The large external oil reservoir is a defining feature of Porsche's air-cooled engine design and plays a vital role in engine longevity.
Why Does the Oil Collection Tank Need Replacing?
Over time, the oil tank can become damaged or deteriorate
due to:
- Internal corrosion caused by moisture contamination.
- External rust from road debris, salt and age.
- Impact damage.
- Cracked seams or weld failures.
- Blocked internal baffles or oil return passages.
- Previous accident damage.
- Oil leaks around fittings or mounting points.
Replacing a damaged oil tank helps maintain proper lubrication while preventing costly engine damage caused by oil loss or contamination.
Symptoms of a Failing Oil Collection Tank
Common warning signs include:
- Engine oil leaks.
- Visible corrosion or rust.
- Oil seepage around welded seams.
- Oil contamination.
- Difficulty maintaining the correct oil level.
- Damaged or dented oil tank.
- Oil odours after driving.
If the tank shows signs of corrosion or leakage, replacement is recommended before more serious lubrication issues develop.
When Should the Oil Collection Tank Be Replaced?
Replacement is recommended when:
- Oil leaks are present.
- Corrosion is visible.
- The tank has been dented or damaged.
- Carrying out a complete engine restoration.
- Rebuilding the lubrication system.
- Replacing heavily corroded oil pipes and hoses.
- Restoring originality on a classic Porsche.
Replacing ageing lubrication components helps ensure long-term engine protection and dependable oil pressure.
Why Choose an OE Match Engine Oil Collection Tank?
Our OE Match oil tank is manufactured to closely replicate the original Porsche component.
Benefits include:
- OE-quality fit and finish.
- Correct internal capacity and oil flow characteristics.
- Precision-manufactured steel construction.
- Corrosion-resistant protective coating.
- Compatible with factory oil pipes and fittings.
- Restores reliable lubrication performance.
- Ideal for restoration and engine rebuild projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010700108
The product you are viewing cross references to these numbers
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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)
* Type where oil is filled from the inside of the engine bay
Fits:
Porsche 911 1965-71
NOT for Sportomatic models
Note: You might need to retrofit the level sender as this tank is reverse stud pattern. M5 Stud fastening nuts may be required #90007609101 and washers #90002500330 - you will require 5 of each number
Click 'Zoom in' for large parts diagram.
Diagram Ref No 29.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110700169
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)
The OE Match Oil Pipe Tank to Engine, 125cm is a high-quality replacement oil line designed for classic Porsche dry sump lubrication systems. This vital oil pipe connects the external oil tank to the engine, ensuring a continuous supply of oil for lubrication, cooling and engine protection.
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 17
Manufactured to OE specifications for fit, function and durability, this 125cm oil pipe is engineered to withstand the high temperatures, pressures and demanding operating conditions associated with air-cooled Porsche engines. It is an ideal replacement for ageing, corroded or leaking original oil lines, helping to maintain the integrity and performance of the lubrication system.
What This Product Does:
- Transfers engine oil from the external oil tank to the engine.
- Forms a critical part of the Porsche dry sump lubrication system.
- Maintains a constant supply of oil to vital engine components.
- Supports effective engine cooling through oil circulation.
- Helps ensure proper oil pressure and lubrication performance.
- Protects internal engine components from excessive wear.
Symptoms Of Wear Or Failure:
- Visible oil leaks beneath the vehicle.
- Oil seepage around pipe connections or fittings.
- Corrosion or rust on metal sections of the pipe.
- Cracked, perished or deteriorated hose sections.
- Low engine oil levels due to leakage.
- Oil pressure fluctuations or warning lights.
- Burning oil smells from leaking oil contacting hot components.
- Excessive oil contamination around the engine bay or underbody.
Why Replacement Matters:
- Oil pipes are subjected to continuous exposure to hot engine oil, road debris, vibration, moisture and temperature fluctuations. Over time, corrosion, internal deterioration and physical damage can compromise the pipe's ability to safely transport oil throughout the lubrication system.
- A leaking or restricted oil pipe can reduce oil pressure, cause oil starvation and increase engine operating temperatures, potentially leading to costly engine damage. Replacing a worn or ageing oil pipe helps maintain correct oil flow, protects critical engine components and ensures the lubrication system continues to operate efficiently. An OE Match replacement restores reliability, preserves engine performance and helps safeguard the longevity of your Porsche engine.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9011073311Y
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
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