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Porsche // 993 (911) (1994-1998) // 993 (911) C4S 1994-97
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Category Filter
Dual mass flywheel. Porsche 986 Boxster / 987 Boxster / 987C Cayman - 98611401208
98611401208/1
Vehicle Group
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman S 3.4L 987C 2005-08
Information
Dual mass flywheel.
Fits: 6 Speed Cars
Porsche 986 Boxster 3.2L 1997-04
Porsche 987 Boxster 3.2L 2005>>
Porsche 987C Cayman 3.4L
Related reference numbers
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98611401208
The product you are viewing cross references to these numbers
Fits: 6 Speed Cars
Porsche 986 Boxster 3.2L 1997-04
Porsche 987 Boxster 3.2L 2005>>
Porsche 987C Cayman 3.4L
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98611401208
98611401204
98611401206
415012010
98611401208
The product you are viewing cross references to these numbers
Price: £390.00
In stock
Related products
Vehicle Group
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 996 TURBO 2000-05
Information
Lightweight Clutch Conversion Kit.
Complete RS lightweight single-mass flywheel and clutch conversion package to replace the heavy and unreliable dual-mass set up, reduce the rotational inertia of the crankshaft assembly and provide lightning engine response & acceleration. Our comprehensive kit has all the components required to install the RS Clubsport flywheel and clutch onto any 3.6 engine,
Whats so good ? lighter in weight, faster pick up out off turns resulting in reduced laptimes of up to 2 seconds per lap
The package consists of:
1 x RS Flywheel
9 x Flywheel to crankshaft bolt
1 x Clutch centre plate
1 x Clutch pressure plate
1 x Clutch release bearing
1 x Flywheel spigot bearing (nose bearing for gearbox input shaft)
1 x RS starter ring gear
1 x Guide tube for release bearing
9 x Clutch cover to flywheel bolt
Fits:
Porsche 964 Carrera 2 / Carrera 4
Porsche 993 Carrera 2 / Carrera 4
Porsche 996 Turbo
Note:
Part #99611601534/1 - If being used with Lightweight flywheel you may need to install opposite way round.
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CLUTCHKIT01
The product you are viewing cross references to these numbers
Complete RS lightweight single-mass flywheel and clutch conversion package to replace the heavy and unreliable dual-mass set up, reduce the rotational inertia of the crankshaft assembly and provide lightning engine response & acceleration. Our comprehensive kit has all the components required to install the RS Clubsport flywheel and clutch onto any 3.6 engine,
Whats so good ? lighter in weight, faster pick up out off turns resulting in reduced laptimes of up to 2 seconds per lap
The package consists of:
1 x RS Flywheel
9 x Flywheel to crankshaft bolt
1 x Clutch centre plate
1 x Clutch pressure plate
1 x Clutch release bearing
1 x Flywheel spigot bearing (nose bearing for gearbox input shaft)
1 x RS starter ring gear
1 x Guide tube for release bearing
9 x Clutch cover to flywheel bolt
Fits:
Porsche 964 Carrera 2 / Carrera 4
Porsche 993 Carrera 2 / Carrera 4
Porsche 996 Turbo
Note:
Part #99611601534/1 - If being used with Lightweight flywheel you may need to install opposite way round.
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CLUTCHKIT01
96410223931
96411414331
95011681330
90006710301
99927007001
92810215102
93110211102
96411602790
99611601534
94411608001
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
1 x Flywheel. Porsche 964RS / 993RS / 996 GT3 / 997 GT3RS (96410223931/1)
Unit Price: £299.00
InStock
1 x Clutch ring gear. Porsche 964RS / 993RS / 996GT3 (96411414331/1)
Unit Price: £115.00
InStock
1 x Clutch guide sleeve. Porsche 964 / 993 / 996 (95011681330/1)
Unit Price: £89.00
InStock
9 x Clutch bolt. Porsche 993 Carrera RS / 964 Carrera RS (90006710301)
Unit Price: £1.71
InStock
2 x Clutch Guide Tube Bolt Porsche 911 / 964 / 993 / 996 GT3 (99927007001)
Unit Price: £3.07
InStock
9 x Single Mass Flywheel Bolt - M10x1.25x24. Porsche 928 / 964 & 993 Carrera RS / 996 GT3 RS / 997 GT2 RS & GT3 RS (92810215102/1)
Unit Price: £3.10
InStock
1 x Flywheel spigot bearing. Porsche 911 / 924 / 944 / 968 / 997 turbo / 997 GT3 RS (93110211102/1)
Unit Price: £16.95
InStock
1 x Clutch pressure plate. Porsche 964 >>91 (96411602790/1)
Unit Price: £254.97
InStock
1 x Clutch centre friction plate. Porsche 993 RS / 996 GT3 RS / 997 GT3 RS (99611601534/1)
Unit Price: £222.82
InStock
1 x Clutch release bearing. Porsche 964RS / 993RS / 968 / 997GT2 RS / 996 GT3 / 997RS (94411608001/1)
Unit Price: £139.65
InStock
Price: £1,186.82
In stock
Vehicle Group
- 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 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
- 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 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Information
Rear Main Oil Seal
Restore engine sealing integrity and prevent costly oil leaks with this OE Match Rear Main Oil Seal for the Porsche 964, Porsche 993 and Porsche 996. Manufactured to OE specifications and measuring 90mm inner diameter, 110mm outer diameter and 12mm width, this critical engine seal is designed to prevent engine oil escaping around the rear of the crankshaft where it exits the engine case and connects to the flywheel assembly.
Fits:
Diagram Ref No. 21
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99911342642
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Restore engine sealing integrity and prevent costly oil leaks with this OE Match Rear Main Oil Seal for the Porsche 964, Porsche 993 and Porsche 996. Manufactured to OE specifications and measuring 90mm inner diameter, 110mm outer diameter and 12mm width, this critical engine seal is designed to prevent engine oil escaping around the rear of the crankshaft where it exits the engine case and connects to the flywheel assembly.
Fits:
- 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 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
- 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 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram Ref No. 21
The rear main oil seal, often referred to as the RMS (Rear Main Seal), is one of the most important sealing components in the engine. It retains engine oil inside the crankcase while allowing the crankshaft to rotate at high speed. A worn or damaged seal can lead to oil leaks, clutch contamination and unnecessary engine maintenance costs if left unattended.
This OE Match replacement provides the correct fit, sealing performance and durability required for maintenance, engine rebuilds and preventative servicing.
What Does the Rear Main Oil Seal Do?
The rear main oil seal forms a seal around the rear section of the crankshaft.
Its primary functions include:
- Preventing engine oil leaks
- Sealing the rear crankshaft opening
- Protecting the flywheel area from contamination
- Maintaining correct engine oil levels
- Preventing oil reaching the clutch assembly
- Supporting long-term engine reliability
- Allowing smooth crankshaft rotation
Without a properly functioning rear main seal, oil can escape from the engine and create a range of reliability issues.
Why Do Rear Main Oil Seals Fail?
Like all rubber sealing components, rear main oil seals are subject to wear and ageing.
Common causes of failure include:
- Heat cycling
- Age-related hardening
- Crankshaft wear
- Engine vibration
- Long-term oil exposure
- Improper installation
- Excessive crankcase pressure
- High mileage use
Over time, the sealing lip can lose flexibility and its ability to maintain consistent contact with the crankshaft surface.
Symptoms of a Failing Rear Main Oil Seal
Common warning signs include:
- Oil leaks between engine and gearbox
- Oil drips beneath the vehicle
- Oil contamination around the flywheel housing
- Clutch slip caused by oil contamination
- Burning oil smell
- Gradual oil level loss
- Oil residue on transmission bellhousing
Because the seal is located behind the flywheel, leaks can often be mistaken for other engine oil leaks unless properly diagnosed.
When Should the Rear Main Oil Seal Be Replaced?
Replacement is recommended when:
- Oil leakage is present
- The gearbox is being removed
- Replacing the clutch assembly
- Rebuilding the engine
- Refurbishing the crankshaft
- Carrying out preventative maintenance
- The original seal shows signs of ageing
- Engine mileage is high
Many Porsche specialists recommend replacing the rear main seal whenever the clutch or flywheel is removed, as labour access is significantly easier during these procedures.
Why Replacement Matters
A leaking rear main oil seal can lead to far more expensive repairs if ignored.
Benefits of replacement include:
- Prevention of engine oil leaks
- Protection of the clutch assembly
- Improved engine cleanliness
- Reduced maintenance costs
- Improved reliability
- Professional rebuild standards
- Long-term sealing performance
- Greater peace of mind
Replacing the seal during clutch or engine work is considered a smart preventative maintenance measure.
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99911342641
21074
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Price: £12.00
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Vehicle Group
- 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 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 GT3 / GT3 RS 2007-09
Information
Flywheel Light Weight Single Mass Porsche
Lightweight Flywheel Alloy 6061-T6 with a replaceable heat treated-steel insert complete with fitting kit. Ring gear, spigot bearing and flywheel bolts included.
Switching to a lightweight aluminum flywheel will quicken your throttle response and enhance the feel of your Porsche! These flywheels feature CAD-designed/CNC-machined construction out of 6061-T6 aluminum and a replaceable heat-treated steel friction surface. You can use it with a stock OEM clutch disk for normal street driving or upgrade to a more aggressive kit for the track. Our light weight flywheels have been tested to withstand normal everyday use and do not require your ECU to be reprogrammed.
Weighs 11.24 lbs. This flywheel is compatible with the OEM or OEM style clutch kits.
Fits:
Porsche 997 GT3-Cup (05-07)
Porsche 997 GT3 3.6L, 305kW (07-09)
POrsche 996 GT3 R/RS (99-03)
Porsche 996 GT3-Cup (98-04)
Porsche 996 GT3 04-05 (04-05)
Porsche 996 GT3 99-01 (99-01)
Porsche 996 GT2 (01-05)
Porsche 996 Turbo (01-05)
Porsche 993 GT2 (96-98)
Porsche 993 Turbo (95-98)
Porsche 993 CUP-RACE (94-98)
Porsche 993 RSR (96-97)
Porsche 993 RS (95-96)
Porsche 993 C4S (96-98)
Porsche 993 C4 (95-98)
Porsche 993 C2S (96-98)
Porsche 993 C2 (94-98)
POrsche 964 CUP-RACE (90-93)
Porsche 965 Turbo-Look (91-94)
Porsche 964 RS (92-92)
Porsche 964 C4 (89-94)
Porsche 964 C2 (90-94
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FLYWHEELKIT01
The product you are viewing cross references to these numbers
Lightweight Flywheel Alloy 6061-T6 with a replaceable heat treated-steel insert complete with fitting kit. Ring gear, spigot bearing and flywheel bolts included.
Switching to a lightweight aluminum flywheel will quicken your throttle response and enhance the feel of your Porsche! These flywheels feature CAD-designed/CNC-machined construction out of 6061-T6 aluminum and a replaceable heat-treated steel friction surface. You can use it with a stock OEM clutch disk for normal street driving or upgrade to a more aggressive kit for the track. Our light weight flywheels have been tested to withstand normal everyday use and do not require your ECU to be reprogrammed.
Weighs 11.24 lbs. This flywheel is compatible with the OEM or OEM style clutch kits.
Fits:
Porsche 997 GT3-Cup (05-07)
Porsche 997 GT3 3.6L, 305kW (07-09)
POrsche 996 GT3 R/RS (99-03)
Porsche 996 GT3-Cup (98-04)
Porsche 996 GT3 04-05 (04-05)
Porsche 996 GT3 99-01 (99-01)
Porsche 996 GT2 (01-05)
Porsche 996 Turbo (01-05)
Porsche 993 GT2 (96-98)
Porsche 993 Turbo (95-98)
Porsche 993 CUP-RACE (94-98)
Porsche 993 RSR (96-97)
Porsche 993 RS (95-96)
Porsche 993 C4S (96-98)
Porsche 993 C4 (95-98)
Porsche 993 C2S (96-98)
Porsche 993 C2 (94-98)
POrsche 964 CUP-RACE (90-93)
Porsche 965 Turbo-Look (91-94)
Porsche 964 RS (92-92)
Porsche 964 C4 (89-94)
Porsche 964 C2 (90-94
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FLYWHEELKIT01
93110211102
96411414331
92810215102
96410223931
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
1 x Flywheel spigot bearing. Porsche 911 / 924 / 944 / 968 / 997 turbo / 997 GT3 RS (93110211102/1)
Unit Price: £16.95
InStock
1 x Clutch ring gear. Porsche 964RS / 993RS / 996GT3 (96411414331/1)
Unit Price: £115.00
InStock
9 x Single Mass Flywheel Bolt - M10x1.25x24. Porsche 928 / 964 & 993 Carrera RS / 996 GT3 RS / 997 GT2 RS & GT3 RS (92810215102/1)
Unit Price: £3.10
InStock
1 x Flywheel. Porsche 964RS / 993RS / 996 GT3 / 997 GT3RS (96410223931/1)
Unit Price: £299.00
InStock
Price: £458.85
In stock
Vehicle Group
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
Information
Lightweight Aluminium Flywheel with Steel Friction Plate
Fits:
Porsche 993 3.6L 1996-98 (OBDII ONLY)
Porsche 993 TURBO 3.6L 1996-98 (OBDII ONLY)
Porsche 996 TURBO 3.6L 1999-05
Porsche 997 TURBO 3.6L 2006-13
Porsche 996 GT3 / 997 GT3 3.6L 1999-13
Features:
• Light-weight for improved performance and drastically reduced M.O.I.
• Replaceable heat shield (friction surface), no need to surface flywheel
• OEM clutches bolt on for easy installation
• High tolerance manufacturing to insure a perfect hassle free installation
• Designed for normal street use for every day performance enthusiasts
• Stepped dowel pins so they are held captive by the clutch cover
• Racing parts available for the professional
• Highest quality materials like 6061-T6 aluminum for the flywheel, treated steel for the heat shield and OEM quality starter ring gears
• CAD designed/ CNC machined in house for the ultimate in quality control
• One year limited warranty on production components
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
106413-11
The product you are viewing cross references to these numbers
Fits:
Porsche 993 3.6L 1996-98 (OBDII ONLY)
Porsche 993 TURBO 3.6L 1996-98 (OBDII ONLY)
Porsche 996 TURBO 3.6L 1999-05
Porsche 997 TURBO 3.6L 2006-13
Porsche 996 GT3 / 997 GT3 3.6L 1999-13
Features:
• Light-weight for improved performance and drastically reduced M.O.I.
• Replaceable heat shield (friction surface), no need to surface flywheel
• OEM clutches bolt on for easy installation
• High tolerance manufacturing to insure a perfect hassle free installation
• Designed for normal street use for every day performance enthusiasts
• Stepped dowel pins so they are held captive by the clutch cover
• Racing parts available for the professional
• Highest quality materials like 6061-T6 aluminum for the flywheel, treated steel for the heat shield and OEM quality starter ring gears
• CAD designed/ CNC machined in house for the ultimate in quality control
• One year limited warranty on production components
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106413-11
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Price: £749.50
Orderable