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Gasket Sets / Gaskets / Seals / Lock Nuts
By OE Match
- 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)
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 968 CS 3.0L 1993-95
OE Match differential output shaft seal, engineered to replicate the original Porsche component that seals the output shaft on the differential housing. It prevents gear oil from leaking out where the drive axles exit the differential - a critical sealing function in the drivetrain system.
Sold each.
Fits:
Porsche 911 Carrera 3.2L 1984 - 1989
Porsche 911 Turbo 3.3 1978 - 1989
Porsche 964 1989 - 1994
Porsche 993 1995 - 1998
Porsche 996 1998 - 2005
Porsche 986 Boxster 3.2L 2000 - 2004
Porsche 986 968CS 1993 - 1995
Diagram ref no 20
The differential output shaft seal creates a pressure-resistant, low-friction barrier around the rotating driveshaft or axle stub where it exits the differential. It prevents differential oil from escaping the gearbox while allowing rotational movement, helping maintain optimal lubrication of internal gears, bearings, and limited-slip components.
Function: Installed in the differential carrier housing at the output flange, the seal’s elastomer lip bears against the rotating shaft surface, maintaining contact under variable engine speed, gear torque, and temperature conditions. The internal garter spring ensures the lip is held in consistent contact with the shaft surface, helping prevent weeping or drips that can lead to low lubricant levels and accelerated drivetrain wear.
A worn or hard differential output seal can lose its effectiveness over time, leading to leaks, oil drips, and reduced gear oil levels in the differential. Low lubricant can accelerate wear of differential bearings, gears, and limited-slip clutches - ultimately causing expensive internal damage. Replacing the seal with an OE Match component helps preserve proper differential lubrication, reduces contamination of nearby brake and suspension parts with oil, and maintains drivetrain longevity and performance.
When to replace:
• Visible gear oil leakage from the differential area
• Oil accumulating near the rear of the gearbox or under the car
• During differential service or rebuild
• After replacing output shafts/axle flanges
• Preventive maintenance on high-mile vehicles
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911334741
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)
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
Driveshaft Gasket – Transmission / Flange Seal
Sold each
High-quality replacement driveshaft gasket
Fits:
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1986 3.3L Turbo (930)
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
Diagram ref no 19
This gasket provides a secure seal at the driveshaft flange
connection, helping to prevent oil leaks and maintain proper sealing within the
drivetrain system. It is a critical component for ensuring reliable
transmission performance and long-term durability.
Manufactured to OEM specifications, this gasket offers
precise fitment and dependable sealing performance—ideal for maintenance,
repair, or restoration of classic Porsche models.
Key Features
• Direct replacement driveshaft gasket
• Suitable for Porsche 911 Turbo and 928 / 928S models
• Ensures proper sealing at drivetrain flange connection
• OEM-style fit and sealing performance
• Durable material for long-term reliability
• Ideal for repair, servicing, or restoration
Function and Purpose
This gasket seals the driveshaft connection at the transmission or flange interface.
It helps to:
• Prevent transmission oil leaks
• Maintain proper lubrication within drivetrain components
• Protect against contamination
• Support smooth drivetrain operation
Why Replace Your Driveshaft Gasket
Over time, drivetrain gaskets can degrade due to heat, pressure, and oil exposure.
Common issues include:
• Oil leaks at driveshaft or flange connections
• Hardened or damaged gasket material
• Reduced sealing performance
• Risk of drivetrain wear due to fluid loss
Replacing the gasket restores proper sealing and drivetrain reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93033229700
The product you are viewing cross references to these numbers
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93

Fits:
Porsche 911 - 1987 to 1989 (G50 gearbox)
Porsche 911 turbo - 1989 (G50 gearbox)
Porsche 964 Carrera 2 - 1990 to 1994
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92833277600
The product you are viewing cross references to these numbers
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

Fits:
Porsche 911 - 1987 to 1989 (G50 gearbox)
Porsche 911 turbo - 1989 (G50 gearbox)
Porsche 964 Carrera 2 - 1990 to 1994
Porsche 993 C2 / C4 / RS - 1994 to 1997
Porsche 993 turbo - 1994 to 1997
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95030119101
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
- Porsche 911 1987-1989 3.2L G50
- Porsche 964 (911) C2 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Set of gaskets & seals for gearbox overhaul.
Fits:
Porsche 911 3.2 Carrera 1987-89
Porsche 964 C2 / Carrera RS / Turbo 1989-94 2WD
Porsche 993 1995-98
This Gasket set is engineered for manual G50 gearboxes in Porsche 911 (G-series), 964 and 993 models. A complete kit of gaskets and seals, designed to match original specifications allowing you to service or rebuild your transmission.
A complete gasket set is especially important during rebuilds or overhauls. When the gearbox case is opened or components like bearings and synchros are replaced, new seals ensure the reassembly meets factory specifications and eliminates the risk of post-service leaks.
This product supersedes Porsche's old part numbers:
- 95030091150
- 95030091100
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96430091200
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 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- 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 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Its function is to act as a primary seal to retain oil around the input (main) shaft of a manual transmission, preventing fluid leaks and protecting driveline components.
Fits:
Porsche 911 Carrera / Turbo 1987 - 1989
Porsche 964 Carrera / Turbo 1989 - 1994
Porsche 993 Carrera / Turbo 1995 - 1998
Porsche 996 Turbo / GT2 / GT3 2001 - 2005
Porsche 997.1 Turbo / GT2 2007 - 2009
Porsche 997.2 Turbo / GT2 2010 - 2013
Porsche 996 GT3 1999 - 2005
Porsche 997 GT3 2007 - 2011
Diagram ref no 12
Application:
• Manual transmission input shaft oil seal
• Cross-referenced with superseded part number: 99911332640
The input shaft seal sits around the input/main shaft where it enters the transmission case. Its job is to keep transmission fluid from leaking out and to prevent contamination from entering the gearbox. By maintaining a secure seal around the rotating shaft, this component helps preserve optimal lubrication, reduce wear, and support smooth gear operation.
In a manual transmission, the input shaft takes power from the clutch and delivers it into the gearbox. The seal must endure rotation, pressure changes, heat, and exposure to transmission fluid, forming a durable barrier that keeps oil inside while preventing dirt and debris from entering. A properly functioning input shaft seal is crucial for transmission longevity and performance.
Over time and mileage, seals can harden, crack, or lose elasticity due to heat, oil exposure, and mechanical wear. A failed input shaft seal can lead to:
• Transmission fluid leaks
• Low fluid levels
• Increased gearbox noise
• Premature wear on gears and bearings
• Potential drivetrain damage
Replacing worn or leaking seals restores proper fluid containment and protects the integrity of the transmission system, preserving performance and reducing the risk of costly repairs.
Replace the input shaft seal if you notice:
• Visible transmission fluid leaks at the bellhousing area
• Low transmission fluid levels
• Gearbox whine or unusual noises
• Transmission slipping or crunching in gear shifts
• After transmission removal or overhaul
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911332641
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

Fits:
Porsche 911 2.0ltr - 3.2ltr 1963 to 1986
Porsche 930 3.0L - 3.3L 1975-89
Porsche 912 1.6ltr 1966 to 1976
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
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 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)
Inner Diameter : 22.2 mm
Outer Diameter : 40 mm

Fits:
Porsche 356 /A/B/C 1.1L-1.6L 01/1950-12/1965
Porsche 911 2.0L 01/1963-08/1967
Porsche 914 1.7-2.0L 01/1969-12/1975
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
113311113B
The product you are viewing cross references to these numbers
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

Fits:
Cars with Manual Gearbox
Porsche 911 1987-89 G50 Gearbox
Porsche 964 1989-94 (gearbox and front differential)
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970174540
The product you are viewing cross references to these numbers
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Precision-cut replacement gasket manufactured to original Porsche specifications, designed to seal the rear cover of Porsche G50 and early 964 manual transmissions. It provides a tight, reliable seal between the gearbox housing and end cover, preventing gear oil leaks and maintaining consistent internal pressure within the transmission case.
Fits:
Cars with Manual Gearbox
Porsche 911 1987 - 1989 G50 Gearbox
Porsche 964 1989 - 1994
Porsche 993 1995 - 1998
Diagram ref no 31
This gasket matches Porsche’s original thickness and bolt pattern for a perfect fit and long-lasting durability. Ideal for gearbox rebuilds or preventive maintenance, ensures leak-free operation and protects internal gears, bearings, and synchronizers from contamination or oil loss.
• Location: Between the rear transmission cover and main gearbox housing
• Function: Provides an oil-tight seal at the transmission end cover to prevent fluid leaks and contamination
• Symptoms of Failure: Oil leaks, low gearbox oil, dirty housing
• Benefits: OEM fit, durable sealing, long-term leak prevention
• Installation: Direct-fit gasket, replace during gearbox service or rebuild
Transmission cover gaskets naturally deteriorate over time due to heat, oil pressure, and age.
Failure can lead to:
• Gear oil seepage or visible leaks at the case seam
• Low transmission fluid levels
• Premature bearing or synchronizer wear due to oil loss
Replace during:
• Gearbox rebuild or overhaul
• Any service requiring removal of the transmission cover
• Preventive maintenance when oil leaks or gasket hardening are detected
Replacing with the OE Match 95030135102 gasket ensures a secure, factory-quality seal for long-term gearbox reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95030135102
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.
91530135100
The product you are viewing cross references to these numbers
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

Fits:
Porsche 911 Carrera 1987-89 G50
Porsche 964 1989-94 G50
Porsche 993 1995-98 G50
Click 'Zoom in' for large parts diagram.
Diagram ref no 27
Related reference numbers
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99911340441
The product you are viewing cross references to these numbers
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replacement transmission, transmission case 1978-83 302-00
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gear housing, transmission cover 1978-83 302-05
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gears and shafts 5. speed transmission - G 915 - 911 1978-83 303-15
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replacement transmission, transmission case SPM - G 925/16 - 911 1978-83 308-00
-
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replacement transmission transmission case 911 1987-89 302-00
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gear housing transmission cover 911 1987-89 302-05
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gear housing / transmission cover 911 1987-89 302-07
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Transmission cover transmission suspension chilled casting and die casting for 911 UPTO 1970 302-05
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replacement transmission transmission case die casting for 911 UPTO 1971 302-10
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Transmission cover, transmission suspension, die casting for 911 1971 302-15
-
Gear housing complete, transmission case front and transmission suspension for 911 1972 ONWARDS 302-25
-
transmission cover and transmission suspension for sportomatic 911 T/E Upto 1971 307-05
-
Transmission cover, transmission suspension for sportomatic TYP 925 for 911 T-E/E/S, CARRERA 2.7 and 911T-K 1972 ONWARDS 307-25
-
replacement transmission, transmission case 911 1984-86 302-00
-
gear housing, transmission cover 911 1984-86 302-05
-
gears and shafts 5-speed 911 1984-86 303-15
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drive shaft 911 1984-86 501-05
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replacement transmission, transmission case 911 1974-77 302-00
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Gear housing, transmission cover 911 1974-77 302-05
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Gears and shafts 4-speed - Model 915 - 911 1974-77 303-05
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Gears and shafts 5 speed - Models: TYP 915 / TYP 923 - 911 1974-77 303-15
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Replacement transmission, transmission case 911 1974-77 SPM 308-00
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replacement transmission, transmission case chilled casting for 911 T/E/S UPTO 1970 302-00
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transmission case TYP 915. for 911 1972 ONWARDS 302-20
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Gears and shafts 5-speed transmission (gear wheel sets 915.300/02) for 911 1972 onwards 303-15
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gears and shafts 4-speed transmission for 911 1972 ONWARDS 303-35
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transmission cover, transmission suspension, chilled casting and die casting 911 1965-69 302-05
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replacement transmission, transmission case, die casting 911 1969 onwards 302-10
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transmission cover, transmission suspension, sportomatic 911 1965-69 307-05
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OEMatch Gasket Sets / Gaskets / Seals / Lock Nuts — Fit, Function, Confidence
For Porsche models, OEMatch supplies gasket sets, seals and lock nuts intended to protect gearboxes and differentials from lubricant loss and contamination while preserving correct internal clearances and pressure. These items are useful for routine service, gearbox rebuilds and resolving persistent transmission leaks.
Available Types
- Complete gearbox and differential gasket sets for rebuilds
- Individual shaft seals, O-rings and grommets
- Lock nuts and transmission fastener kits
Understanding OEMatch Gasket Sets / Gaskets / Seals / Lock Nuts
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original gasket sets, gaskets, seals and lock nuts.
OE (Original Equipment) refers to parts matching original specifications for the gasket sets, gaskets, seals and lock nuts and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM gasket sets, gaskets, seals and lock nuts engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Gaskets and seals create pressure-tight joints between mating gearbox surfaces and around rotating shafts; lock nuts and fastening kits secure components subject to high torque and vibration. Correct material selection and surface condition are essential to maintain sealing performance, particularly where high temperature and exposure to transmission fluids can accelerate degradation. OEMatch integrates a broad catalogue of Porsche part references to help match application requirements.
Benefits Include
- Restores reliable oil containment to prevent leaks
- Preserves gearbox pressure and lubrication pathways
- Reduces the risk of internal wear and noise from fluid loss
Why Gasket Sets / Gaskets / Seals / Lock Nuts Wear and Fail
- Thermal cycling causing shrinkage, cracking or compression set of gasket materials
- Chemical attack or hardening of seals from aged or contaminated fluids
- Damaged or corroded mating surfaces created during service or by debris
- Incorrect installation or re-use of old sealing materials and fasteners
The Importance of Replacing with OEMatch Gasket Sets / Gaskets / Seals / Lock Nuts
Replacing worn or damaged sealing components prevents lubricant loss, contamination and consequential gearbox damage. Renewing gaskets, seals and lock nuts during a rebuild or major service restores designed sealing points and fastener security, helping to maintain smooth, reliable transmission operation and reducing the likelihood of repeat repairs.
Advantages
- Materials chosen for compatibility with transmission fluids and operating temperatures
- Restores intended sealing clearances and assembly torque behaviour
- Facilitates thorough gearbox servicing and long-term reliability when fitted correctly