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Clutch flywheel. Porsche 911 1984 - 1986 - 93010203301
93010203301/1
Vehicle Group
- Porsche 911 1984-1986 3.2L
Information
This flywheel fit the 1984–1986 Porsche 911 (3.2 L / Motronic engines) using the 915 transmission.
Fits:
Porsche 911 3.2L 1984 - 1986 (915 Gearbox)
Diagram ref no 3
The clutch flywheel purpose & function
A flywheel in general (for a manual-transmission car) has several critical roles:
• Mass / inertia storage — It smooths out the pulses of the engine, aiding when cylinders fire and bridging the gaps between combustion events.
• Clutch friction surface — The clutch disc presses against the flywheel, so the flywheel must have a suitable, stable friction surface.
• Crank / sensor interface — In this case, because it is used with Motronic control, the flywheel provides trigger pulses (teeth or marks) used by the engine control (DME) to know crankshaft position or engine speed.
• Balancing — It must be precisely balanced (often as part of the entire rotating assembly including crank, flywheel, clutch) to avoid vibration and stresses. If the flywheel is worn, warped, cracked, or misaligned, all of these functions are jeopardized (vibrations, clutch slippage, sensor error, etc.).
Common failure modes / why / signs & symptoms
Because the flywheel is a high-stress rotating component, over time or under strain it is subject to wear, damage and failure. For this particular part and era, here are common issues:
• Surface wear, scoring, glazing, heat spots on the friction surface: repeated clutch engagement or slipping can overheat zones, creating hard “spots” or cracks.
• Cracks / fractures: under severe stress or impact, cracks can develop, especially around bolt holes or near sensor teeth.
• Distortion (warpage): heat cycles may warp the flywheel face so it is no longer flat, causing uneven clutch engagement or chatter.
• Sensor trigger damage: damage or wear to the trigger teeth or notches may make the engine control module misread crank position or lost signals.
• Bolt failures / loosening: the 9 bolts attaching the flywheel to the crank are critical; if they stretch, loosen, or fail, misalignment or imbalance can result.
• Imbalance / degradation of balancing: over time, if the mating surfaces or mountings shift or fatigue, the initial balance may be compromised, introducing vibration.
• Oil contamination: if the rear main seal or other seals leak oil onto the friction surface, the clutch/flywheel interface becomes compromised (slippage, glazing).
• Fatigue / wear of dowel pins or alignment features: if alignment dowels (or roll pins) degrade or are missing, mounting may be off, leading to misalignment. In a forum thread, a user found small roll pins (alignment inserts) that had come off the flywheel.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010203301
The product you are viewing cross references to these numbers
Fits:
Porsche 911 3.2L 1984 - 1986 (915 Gearbox)
Diagram ref no 3
The clutch flywheel purpose & function
A flywheel in general (for a manual-transmission car) has several critical roles:
• Mass / inertia storage — It smooths out the pulses of the engine, aiding when cylinders fire and bridging the gaps between combustion events.
• Clutch friction surface — The clutch disc presses against the flywheel, so the flywheel must have a suitable, stable friction surface.
• Crank / sensor interface — In this case, because it is used with Motronic control, the flywheel provides trigger pulses (teeth or marks) used by the engine control (DME) to know crankshaft position or engine speed.
• Balancing — It must be precisely balanced (often as part of the entire rotating assembly including crank, flywheel, clutch) to avoid vibration and stresses. If the flywheel is worn, warped, cracked, or misaligned, all of these functions are jeopardized (vibrations, clutch slippage, sensor error, etc.).
Common failure modes / why / signs & symptoms
Because the flywheel is a high-stress rotating component, over time or under strain it is subject to wear, damage and failure. For this particular part and era, here are common issues:
• Surface wear, scoring, glazing, heat spots on the friction surface: repeated clutch engagement or slipping can overheat zones, creating hard “spots” or cracks.
• Cracks / fractures: under severe stress or impact, cracks can develop, especially around bolt holes or near sensor teeth.
• Distortion (warpage): heat cycles may warp the flywheel face so it is no longer flat, causing uneven clutch engagement or chatter.
• Sensor trigger damage: damage or wear to the trigger teeth or notches may make the engine control module misread crank position or lost signals.
• Bolt failures / loosening: the 9 bolts attaching the flywheel to the crank are critical; if they stretch, loosen, or fail, misalignment or imbalance can result.
• Imbalance / degradation of balancing: over time, if the mating surfaces or mountings shift or fatigue, the initial balance may be compromised, introducing vibration.
• Oil contamination: if the rear main seal or other seals leak oil onto the friction surface, the clutch/flywheel interface becomes compromised (slippage, glazing).
• Fatigue / wear of dowel pins or alignment features: if alignment dowels (or roll pins) degrade or are missing, mounting may be off, leading to misalignment. In a forum thread, a user found small roll pins (alignment inserts) that had come off the flywheel.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010203301
93010203301
The product you are viewing cross references to these numbers
€349.83
Now €314.85
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
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
1 x Clutch ring gear. Porsche 964RS / 993RS / 996GT3 (96411414331/1
1 x Clutch guide sleeve. Porsche 964 / 993 / 996 (95011681330/1
9 x Clutch bolt. Porsche 993 Carrera RS / 964 Carrera RS (90006710301
2 x Clutch Guide Tube Bolt Porsche 911 / 964 / 993 / 996 GT3 (99927007001
9 x Single Mass Flywheel Bolt - M10x1.25x24. Porsche 928 / 964 & 993 Carrera RS / 996 GT3 RS / 997 GT2 RS & GT3 RS (92810215102/1
1 x Flywheel spigot bearing. Porsche 911 / 924 / 944 / 968 / 997GT3RS (93110211102/1
1 x Clutch pressure plate. Porsche 964 >>91 (96411602790/1
1 x Clutch centre friction plate. Porsche 993 RS / 996 GT3 RS / 997 GT3 RS (99611601534/1
1 x Clutch release bearing. Porsche 964RS / 993RS / 968 / 997GT2 RS / 996 GT3 / 997RS (94411608001/1
€1,473.50
Now €1,409.43
Arriving soon
Vehicle Group
- 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 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Information
Flywheel Bolt Fitment: Porsche 986 Boxster (1997–2004), 987 Boxster (2005–2008), 987C Cayman (2006–2008), 996 (1999–2005), 997 (2005–2008) – Manual Transmission Only. Dimensions: M10 x 1.0 x 50mm Price is each
The flywheel bolt Ref No. 999.073.092.02 is a critical component in securing the flywheel to the crankshaft, ensuring proper engine operation. These bolts are designed to withstand the high torque and stress generated during engine performance. Over time, they can experience fatigue, leading to potential issues if not replaced when necessary.
Fits:
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 996 C2, C4, C4S 1989-05
Porsche 997 C2, C4
Porsche 997.2 Manual gearbox only
This product supersedes Porsche's old part numbers:
- 99907309209
- 99907309201
Diagram ref no 18.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99907309202
The product you are viewing cross references to these numbers
The flywheel bolt Ref No. 999.073.092.02 is a critical component in securing the flywheel to the crankshaft, ensuring proper engine operation. These bolts are designed to withstand the high torque and stress generated during engine performance. Over time, they can experience fatigue, leading to potential issues if not replaced when necessary.
Fits:
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 996 C2, C4, C4S 1989-05
Porsche 997 C2, C4
Porsche 997.2 Manual gearbox only
This product supersedes Porsche's old part numbers:
- 99907309209
- 99907309201
Diagram ref no 18.
The Flywheel Bolt for Porsche 986, 987, 987C, 996, and 997 (part number 99907309202) by OE Match is a high-quality, precision-engineered component designed to provide a secure and reliable connection between the flywheel and engine. Manufactured from premium-grade steel, this bolt offers exceptional strength, durability, and corrosion resistance, all while meeting the OEM standards for Porsche performance. Specifically crafted for a perfect fit, it ensures easy installation and optimal engine operation, preventing unwanted vibrations and damage. Ideal for replacing worn or damaged flywheel bolts during routine maintenance or engine rebuilds, this part is a must-have for both DIY mechanics and professional garages. Trusted by Porsche owners for its long-lasting durability, the OE Match flywheel bolt reduces the need for frequent replacements, ensuring reliable performance for years to come. Order now to enhance your Porsche’s engine reliability with OE Match quality.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99907309202
99907309209
99907309201
99907309202
The product you are viewing cross references to these numbers
€1.86
Now €1.67
In stock
Vehicle Group
- Porsche 993 (911) TURBO 1994-96
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKII 2003>>
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
Information
Dual mass flywheel Porsche 993TT / 996TT / 996 GT3 / 997 GT3
Fits:
Porsche 993 Turbo 1994-97
Porsche 996 Turbo 2001>>
Porsche 996 GT3 MKII
Porsche 997 GT3 2005>>
Porsche 997 Turbo MK1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611401250
The product you are viewing cross references to these numbers
Fits:
Porsche 993 Turbo 1994-97
Porsche 996 Turbo 2001>>
Porsche 996 GT3 MKII
Porsche 997 GT3 2005>>
Porsche 997 Turbo MK1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611401250
99611401250
96411401252
99711401251
415062410
The product you are viewing cross references to these numbers
Price: €845.33
In stock