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Gasket Sets / Gaskets / Seals / Lock Nuts
By OE Match
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- 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

Fits:
For cars with manual transmission
Porsche 924 1976-88
Porsche 944 1982-91
Porsche 986 / 987 / 981 / 982 Boxster 1997>>
Porsche 987 / 981 / 982 Cayman 2005>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
016409399B
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08

Fits:
Porsche 986 Boxster 1997-04 Tiptronic
Porsche 987 Boxster 2005-08 Tiptronic
Porsche 987C Cayman 2007>> Tiptronic
Porsche 996 1998-05 Tiptronic
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98639701600
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
The O-Ring is a OE MATCH sealing component designed to provide a secure, leak-proof seal between connected components within drivetrain or transmission systems. Manufactured from durable, heat-resistant elastomer material, this O-ring ensures proper sealing under pressure while maintaining system integrity.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Diagram Ref No 5
What This Product Does:
- Creating a tight seal between mating components
- Preventing oil or fluid leaks within sealed assemblies
- Maintaining proper system pressure
- Protecting internal components from contamination
- Ensuring smooth and reliable operation of connected parts
Symptoms Of Wear Or Failure:
- Fluid leaks around sealed joints or housings
- Oil residue or buildup near fittings
- Reduced system pressure
- Hardened, flattened, or cracked rubber seal
- Moisture or contaminants entering sealed components
Why Replacement Matters:
- Prevent oil or transmission fluid leaks
- Maintain proper pressure within mechanical systems
- Protect internal components from contamination
- Restore proper sealing performance
- Avoid costly repairs caused by fluid loss
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
01V409133A
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
The Differential Output Shaft Seal – Cover Side is a OE MATCH drivetrain sealing component designed to prevent gear oil leakage from the differential where the output shaft exits the differential housing. This seal helps maintain proper lubrication inside the differential while protecting internal gears and bearings from contamination.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Diagram Ref No 3
What This Product Does:
- Sealing the differential output shaft opening
- Preventing gear oil leaks from the differential housing
- Maintaining proper lubrication of internal gears
- Protecting internal components from dirt and debris
- Supporting smooth and reliable drivetrain operation
Symptoms Of Wear Or Failure:
- Gear oil leaks near the differential or axle area
- Oil spots under the vehicle
- Low differential fluid levels
- Whining or grinding noises from the drivetrain
- Oil residue around the differential housing or driveshaft connection
Why Replacement Matters:
- Prevent gear oil leaks
- Maintain proper differential lubrication
- Protect gears and bearings from premature wear
- Ensure smooth drivetrain performance
- Avoid costly differential repairs or replacement
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98639702700
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- 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
The Front Oil Pump Seal for Tiptronic Gearbox is a OE MATCH transmission sealing component designed to prevent automatic transmission fluid (ATF) from leaking around the front oil pump assembly. This seal maintains proper fluid containment within the gearbox, ensuring correct hydraulic pressure and reliable transmission operation.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- 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
Diagram Ref No 2
What This Product Does:
- Sealing the front oil pump assembly
- Preventing transmission fluid leaks
- Maintaining proper hydraulic pressure inside the gearbox
- Protecting internal transmission components
- Ensuring consistent automatic gear shifting
Symptoms Of Wear Or Failure:
- Transmission fluid leaks at the front of the gearbox
- ATF residue under the vehicle
- Low transmission fluid levels
- Slipping or delayed gear engagement
- Unusual transmission noise
- Transmission overheating
Why Replacement Matters:
- Prevent transmission fluid leaks
- Maintain proper hydraulic pressure
- Ensure smooth and reliable gear changes
- Protect internal transmission components
- Avoid costly gearbox repairs or failure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99639701000
The product you are viewing cross references to these numbers
-
Replacement transmission / Individual parts - G8720,G8721+ PR:480, 6-speed manual - 987C.1 Cayman 2006-08 302-005
-
Tiptronic / Differential / Differential housing - A8702,A8721+ PR:249 - 987C.1 Cayman 2.7L / 3.4L 2006-08 320-003
-
Tiptronic oil pump - A8702,A8721+ PR:249 - 987C.1 Cayman 2006-08 330-001
-
Tiptronic / oil filter / oil sump - A8702,A8721+ PR:249 - 987C.1 Cayman 2006-08 340-001
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