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- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
The Transfer Box Front Radial Shaft Seal (80 x 60 x 15) is a OE MATCH drivetrain sealing component designed to prevent oil leakage where the front shaft passes through the transfer box housing. This seal helps retain lubricating oil within the transfer case while protecting internal gears and bearings from dirt, moisture, and other contaminants.
Fits:
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Diagram Ref No 11
What This Product Does:
- Prevents transfer case oil leaks around the front output shaft
- Maintains proper lubrication inside the transfer box
- Protects internal gears and bearings from contamination
- Supports smooth power transfer between drivetrain components
- Ensures reliable operation of the four-wheel drive system
Symptoms Of Wear Or Failure:
- Oil leaks near the transfer case or front driveshaft area
- Drips or oil spots under the vehicle
- Oil residue around the transfer box housing
- Low transfer case oil levels
- Increased drivetrain noise caused by reduced lubrication
Why Replacement Matters:
- Prevent transfer case oil leaks
- Maintain correct lubrication levels
- Protect gears and bearings from premature wear
- Ensure smooth and reliable drivetrain operation
- Avoid costly transfer box repairs or replacement
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95532119921
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 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 912E 4CYL 1976
Gear Selector Shaft Oil Seal
OE Match gear selector shaft oil seal for
classic Porsche 911 and 912 manual gearboxes. Designed to replace a worn or
leaking original seal, this component helps prevent transmission oil from
escaping around the gear selector shaft where it passes through the gearbox
housing.
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 1975-1977 3.0L Turbo (930)
Porsche 911 1978-1989 3.3L Turbo (930)
Porsche 912E 4CYL 1976
Diagram ref no 8
The seal provides a barrier between the moving selector shaft and gearbox casing, helping retain the correct transmission oil level and protecting the surrounding components from oil contamination.
What Does the Gear Selector Shaft Oil Seal Do?
The gear selector shaft transfers movement from the gear lever linkage into the gearbox, allowing the driver to select different gears.
The oil seal fits around this shaft and prevents gearbox oil from escaping while allowing the shaft to move during gear changes. A properly functioning seal helps maintain the transmission oil level and keeps the gearbox exterior clean and dry.
Why Does It Fail?
Over time, the sealing material can harden, shrink or lose flexibility due to age, heat and prolonged contact with transmission oil.
Common causes of failure include:
- Age-related deterioration of the sealing lip
- Hardened or cracked rubber
- Wear from repeated selector shaft movement
- Corrosion or damage to the shaft sealing surface
- Incorrect installation or previous gearbox repairs
- Excessive shaft movement or wear
As the seal deteriorates, transmission oil may begin to seep around the selector shaft.
When Should It Be Replaced?
A replacement may be required if you notice:
- Gearbox oil leaking around the selector shaft
- Oil collecting on the underside of the transmission
- Drips beneath the gearbox
- A persistent oily residue around the selector linkage
- A damaged or hardened seal during gearbox servicing
The seal should also be inspected whenever the gearbox selector mechanism is dismantled or the transmission is removed for restoration.
Checks During Replacement
Before fitting a new oil seal, inspect the selector shaft for corrosion, scoring or excessive movement. Check the gearbox breather and surrounding seals to ensure the leak has been correctly identified.
The new seal should be installed squarely and to the correct depth, without damaging the sealing lip or shaft surface.
Porsche 911 / 912 Gearbox Oil Seals & Transmission Components
Gearbox oil seals are essential for maintaining the correct lubrication of classic Porsche manual transmissions. The gear selector shaft oil seal prevents transmission oil from leaking where the selector shaft enters the gearbox housing.
On older Porsche 911 and 912 models, ageing seals can become brittle or worn, allowing gearbox oil to escape. Replacing a leaking seal helps protect the transmission against lubricant loss and prevents oil contamination around the gear linkage and gearbox casing.
OE Match seal is a 15 × 24 × 7 mm replacement selector shaft oil seal for selected Porsche 911, 912 and 930 Turbo manual gearboxes. It is particularly suitable for maintenance and restoration of classic Porsche transmissions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911318540
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
Fits:
Porsche 911 1972-86
Manual transmission
Diagram ref no 51
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530228200
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
A rubber shaft oil seal (radial seal) for the main/input shaft of a 901/915-series gearbox. It fits around the rotating shaft and seals the interface between the rotating shaft and the gearbox housing to prevent gearbox oil leaks.
Dimensions: 23 mm (shaft diameter) × 35 mm (outer diameter) × 8/11 mm thickness (seal housing/dual-lip design).
Fits:
Porsche 911 1972 - 1973 (TYP 915) from:
G 733 7575 >>
G 723 0507 >>
G 783 0838 >>
Porsche 911 Carrera 1973 - 1986
Diagram ref no 11
This seal prevents gearbox oil from escaping around the input or main shaft, ensuring the transmission remains properly lubricated. It also blocks dirt, water, and other contaminants from entering the gearbox, helping preserve internal components and maintain correct operating pressure. By replacing a worn, hardened, or cracked original seal, it restores a clean, leak-tight barrier for reliable long-term gearbox performance.
Original gearbox seals degrade over time: rubber lips harden or crack, springs lose tension, and sealing surfaces wear. A failing main-shaft seal typically leads to:
• Gearbox oil leaks
• Loss of gearbox oil over time (low oil level)
• Contamination ingress (dirt, water), leading to accelerated gearbox wear or internal damage
• Messy drip underneath the car and gearbox housing
Replacing the seal with a correct-spec new unit restores proper sealing, preserves gearbox oil integrity, and helps prevent costly internal damage or gearbox failure.
You should replace this seal if:
• Gearbox oil leaks are visible around the input shaft or bellhousing area
• There is seepage, oil dripping, or a film of oil on the underside of gearbox or clutch area
• The old seal appears cracked, hardened, or visibly damaged
• You are doing a gearbox rebuild, overhaul or maintenance
• You notice loss of gearbox oil or suspect contamination ingress
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911332740
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
Fits:
Porsche 911 Carrera 1972-86
Transmission TYPE 915
Diagram ref no 23
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530119100
The product you are viewing cross references to these numbers