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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
- 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 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
Restore accurate oil level monitoring with this OE Match
Oil Level Sender. Manufactured for precise fitment and dependable
performance, this replacement oil level sender accurately measures the oil
level within the external oil tank and transmits the information to the
dashboard oil level gauge.
Fits:
- 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 2
The dry sump lubrication system used on the classic air-cooled Porsche 911 relies on an external oil tank and a dedicated oil level sender to provide the driver with an accurate indication of the engine's oil level. Over time, internal electrical components, the float mechanism and electrical contacts can deteriorate through age, heat and continual exposure to engine oil. This can result in inaccurate oil level readings or complete failure of the dashboard oil level gauge.
Replacing a worn or faulty oil level sender restores confidence in your vehicle's instrumentation, allowing you to accurately monitor the engine's oil level and maintain the correct quantity of lubricant for reliable engine operation.
Whether you're restoring a classic Porsche, repairing a faulty oil level gauge or carrying out preventative maintenance on the lubrication system, this OE Match Oil Level Sender offers a high-quality replacement solution.
What Does the Oil Level Sender Do?
The oil level sender continuously monitors the oil level inside the external oil tank and sends an electrical signal to the dashboard oil level gauge.
Its primary functions include:
- Measuring the oil level within the oil tank.
- Providing accurate information to the dashboard oil level gauge.
- Helping monitor the engine's lubrication system.
- Supporting routine oil level checks.
- Assisting with correct engine oil maintenance.
- Maintaining reliable dashboard gauge operation.
Accurate oil level monitoring is particularly important on dry sump Porsche engines, where maintaining the correct oil quantity is essential for reliable lubrication.
Why Do Oil Level Senders Fail?
Over many years of operation, the sender unit is constantly exposed to hot engine oil, vibration and temperature fluctuations.
Common causes of failure include:
- Internal electrical wear.
- Corrosion of electrical contacts.
- Float mechanism deterioration.
- Oil contamination.
- Age-related component fatigue.
- Damaged wiring connections.
- Sticking float movement.
- Internal resistance failure.
Typical symptoms include:
- Oil level gauge reading permanently empty or full.
- Fluctuating or erratic oil level readings.
- Inaccurate oil level indication.
- Intermittent gauge operation.
- Oil gauge failing to respond after servicing.
- Difficulty monitoring engine oil level.
Replacing the sender restores accurate oil level information and dependable instrument operation.
Benefits
- Restores accurate oil level readings.
- Improves confidence in engine oil monitoring.
- Helps maintain correct engine oil levels.
- Reliable electrical performance.
- Straightforward direct replacement.
- Suitable for both restored and regularly driven vehicles.
For the most accurate oil level readings, Porsche recommends checking the oil level with the engine fully warmed to operating temperature, idling on level ground, as specified in the owner's handbook. Whenever replacing the sender, it is also advisable to inspect the wiring connector and oil tank sealing gasket.
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 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 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
The OE MATCH Oil Filler Cap is a replacement engine oil filler cap designed for compatible Porsche applications. Installed at the engine's oil filling point, the cap closes and seals the opening after engine oil has been added.
Fits:
- Porsche 911 SC 1974-83 SPORTMATIC ONLY
- Porsche 911 Turbo (3.3L) 09/1977-07/1989
- Porsche 964 1989-94
- Porsche 968 1992-95
- Porsche 924S 1986-88
- Porsche 944 2.7L 1989
- Porsche 944 S2 3.0L 1989-91
- Porsche 944 2.5L Turbo 1986-91
- Porsche 944 2.5L Turbo S 1987-88
- Porsche 928 S4 / GT / GTS 1987-95
Although relatively simple, the oil filler cap performs an important sealing function. A correctly fitted cap helps prevent engine oil from escaping while protecting the lubrication system from dirt, moisture and other external contamination.
What This Product Does:
The oil filler cap seals the opening used when adding engine oil.
Once installed correctly, it helps:
- Close the engine oil filling point
- Prevent oil from splashing or escaping
- Reduce the risk of dirt entering the engine
- Reduce moisture and external contamination
- Maintain the intended sealing of the lubrication system
- Keep the engine bay cleaner
- Provide convenient access during oil servicing
The cap must fit securely and its sealing surface must remain in good condition.
Symptoms Of Wear Or Failure:
Oil filler caps are exposed to engine heat, oil vapour and repeated removal during servicing. Over time, the cap or its sealing components can deteriorate.
Common symptoms include:
- Oil residue around the filler opening
- Oil leaking or misting around the cap
- Oil staining nearby engine components
- Cap becoming loose
- Cap no longer tightening securely
- Cracked or damaged cap
- Hardened or deteriorated sealing surface
- Damaged threads or retaining features
- Cap becoming difficult to remove or install
- Visible deformation
- Missing oil filler cap
Any persistent oil leakage around the filler opening should be investigated rather than simply cleaned away.
Why Replacement Matters:
Replacing a worn or damaged oil filler cap helps maintain the integrity and cleanliness of the engine lubrication system.
A new cap can help:
- Restore a secure seal
- Prevent oil leakage around the filler opening
- Reduce oil mist in the engine compartment
- Protect against dirt and moisture
- Keep surrounding engine components cleaner
- Replace cracked or deteriorated material
- Restore secure engagement with the filler opening
- Maintain reliable access for routine oil servicing
A missing or severely damaged filler cap should be replaced promptly.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410709101
The product you are viewing cross references to these numbers
- 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