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Flywheel / Torque
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 911 1978-1983 3.0L / SC
This OE MATCH Flywheel Kit is a high-quality OEM-equivalent assembly designed for Porsche models, providing a complete solution for restoring smooth and reliable engine-to-transmission operation. This kit typically includes the flywheel and associated components required for proper installation and performance.
Kit Contents:
x1 Flywheel (93010220403/3)
x9 Flywheel Bolts (93010220601/1)
x1 Flywheel Spigot Bearing (90110202501/1)
Fits:
- Porsche 911 1978-1979 3.0L / SC
Diagram Ref No 2, 3, 6
What This Product Does:
- Transfers engine power to the clutch and transmission
- Stores rotational energy to maintain smooth engine operation
- Provides a friction surface for the clutch assembly
- Helps stabilise engine idle and reduces vibration
- Ensures smooth gear engagement and drivetrain performance
Symptoms Of Wear Or Failure:
- Clutch slipping or inconsistent engagement
- Vibration or shuddering when accelerating or changing gears
- Unusual noises such as rattling or grinding from the transmission area
- Difficulty shifting gears Burning smell from excessive friction or overheating
- Visible scoring, cracks, or heat spots on the flywheel surface
Why Replacement Matters:
- Restores smooth power transfer and driving comfort
- Prevents premature wear of the clutch and transmission components
- Ensures proper clutch engagement and gear shifting
- Eliminates vibration and noise issues
- Avoids costly drivetrain repairs caused by continued use of a damaged flywheel
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FLYWHEELKIT911
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1984-1986 3.2L
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
- 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
The OE Match Flywheel for Clutch, 225 mm is a precision-engineered replacement drivetrain component designed to transfer engine power efficiently to the clutch assembly and transmission. Manufactured to OE specifications for fit, balance and durability, this flywheel provides the correct friction surface for clutch operation while helping to smooth engine power delivery and reduce drivetrain vibration.
Fits:
- 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
Machined from high-quality materials to ensure strength and long service life, the flywheel acts as a rotating mass attached to the crankshaft, storing kinetic energy and providing a stable platform for clutch engagement. Its 225 mm clutch contact surface is designed to maintain factory performance characteristics and reliable operation.
What This Product Does:
- Transfers engine torque to the clutch and transmission.
- Provides the friction surface for clutch engagement.
- Stores rotational energy to smooth engine operation.
- Helps maintain stable engine idle characteristics.
- Reduces drivetrain vibration and harshness.
- Supports smooth gear changes and clutch performance.
- Contributes to efficient power delivery and drivability.
Symptoms Of Wear Or Failure:
- Clutch shudder or judder during take-off.
- Excessive vibration through the drivetrain.
- Difficulty achieving smooth clutch engagement.
- Hot spots or scoring on the flywheel surface.
- Premature clutch wear.
- Burning clutch odours during operation.
- Rattling or knocking noises from the bellhousing area.
- Warped clutch friction surface.
- Uneven clutch pedal feel or engagement characteristics.
- Reduced overall driving refinement.
Why Replacement Matters:
- The flywheel is subjected to continuous engine torque, clutch friction and repeated heat cycles throughout its service life. Over time, the friction surface can become worn, heat-damaged, cracked or warped, affecting clutch performance and overall drivability.
- A damaged flywheel can lead to clutch vibration, poor engagement characteristics and accelerated wear of the clutch disc and pressure plate. Installing a new clutch on a worn flywheel may result in reduced clutch lifespan and continued drivability issues. In severe cases, excessive wear or damage can compromise drivetrain reliability and increase repair costs.
- Replacing a worn flywheel restores smooth clutch operation, improves gear engagement and helps maximise the performance and longevity of the clutch system. An OE Match replacement provides factory-style fitment, precise balancing and durable construction, ensuring dependable operation and preserving the driving experience expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110220112
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
Machined from 4140 steel and tested to 700 lb-ft of torque (Porsche factory recommended torque is 400-450 lb-ft).
Note: Each time the gland nut is removed, it must be replaced with a new one.
Fits:
Porsche 356 all
Porsche 912 all
Diagram ref no 7
This OE Match flywheel gland nut is produced to OE-equivalent standards, replicating the original Porsche part’s dimensions, materials, and performance characteristics. Made from high-strength steel with suitable surface treatment, it delivers the necessary tensile strength and thread integrity required in high-stress crankshaft/flywheel applications.
The gland nut plays a critical role in securing the engine flywheel, which transmits engine torque to the clutch and drivetrain. A properly torqued gland nut prevents loosening, shearing, or axial creep under varying engine speeds and loads. Over time, original nuts can become fatigued, corroded, or damaged - especially after flywheel removal during clutch or engine service. Replacing worn or suspect hardware with this OE Match gland nut restores correct flywheel retention, improves service reliability, and ensures that the flywheel remains securely seated on the crankshaft flange.
This part installs directly with the original flywheel and crankshaft threads, making it ideal for clutch jobs, engine rebuilds, or preventative drivetrain maintenance.
The flywheel gland nut clamps and secures the engine flywheel to the crankshaft flange, ensuring a secure interface that transmits engine torque through the clutch assembly to the transmission. It withstands rotational and vibrational loads, preventing movement that could lead to driveline issues.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610202501
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
OE Match lightweight clutch flywheel engineered as a direct-fit replacement for the original factory flywheel on early Porsche 911 models equipped with a 225 mm clutch (typically 911/912 engines 1970–1977)
Fits:
Porsche 911 1970 - 1977
Diagram ref no 3
Lightweight flywheels are popular upgrades because they allow the engine to rev more freely and respond more quickly to throttle inputs - a benefit especially appreciated in spirited road use and track applications. The 225 mm diameter and bolt pattern ensure compatibility with standard 911 clutch kits, pressure plates, and housings designed for this generation.
Despite its reduced mass, this OE Match version maintains the structural integrity required for everyday driving and performance use, utilizing materials and manufacturing methods that align with Porsche engineering intent.
The lightweight clutch flywheel stores rotational energy and provides the mounting surface for the clutch pressure plate and friction disc. By reducing mass compared to heavier stock units, it lowers rotational inertia, which helps the engine accelerate more quickly and improves engine responsiveness.
Function:
When installed between the engine crankshaft and clutch assembly, this flywheel:
• Reduces rotational mass compared to standard flywheels
• Improves throttle response and engine rev-up behaviour
• Supports consistent clutch engagement and release
• Works with standard clutch disc and pressure plate assemblies .
he flywheel interface ensures proper alignment with the crank flange and provides the correct surface for the clutch friction disc to engage, which is critical for smooth power transfer and drivability.
Over time, original flywheels can become warped, worn, or damaged due to heat cycles, clutch slippage, or long-term use. A compromised flywheel can lead to uneven clutch engagement, noise, or vibration. Installing a new OE Match lightweight flywheel restores correct rotational dynamics and engagement surfaces, while the reduced mass enhances throttle responsiveness and engine feel.
When to replace:
• Clutch disc replacement or driveability issues
• Flywheel scoring, heat glazing, or warping
• Upgrading for improved throttle response
• Transmission service requiring flywheel removal
• Preventive refresh on high-mile engines
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110220112
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 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- 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
Flywheel Spigot Bearing
Ensure smooth clutch operation and precise gearbox input
shaft alignment with this OE Match Flywheel Spigot Bearing, designed for selected Porsche 911, 924, 944, 968 and 997
GT3 RS models. Manufactured to original equipment specifications, this
high-quality replacement bearing supports the gearbox input shaft within the
flywheel or crankshaft, reducing friction and ensuring smooth clutch
engagement.
Fits:
- 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 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 RS 2007-09
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- 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
Diagram ref no 3
Although compact, the spigot bearing is a critical drivetrain component. Replacing it during clutch servicing helps maintain precise transmission alignment, reduces gearbox wear and ensures reliable long-term operation.
What Does the Flywheel Spigot Bearing Do?
Also known as a pilot bearing, the flywheel spigot bearing supports the tip of the gearbox input shaft while allowing it to rotate independently of the engine when the clutch is disengaged.
Its primary functions include:
- Supporting the gearbox input shaft.
- Maintaining precise alignment between the engine and transmission.
- Reducing friction during clutch operation.
- Allowing smooth clutch disengagement.
- Minimising wear on the gearbox input shaft.
- Helping provide smooth gear changes and consistent clutch operation.
A properly functioning spigot bearing is essential for the smooth operation of the clutch and transmission.
Why Do Flywheel Spigot Bearings Fail?
The bearing is subjected to continuous rotational loads,
clutch operation and heat throughout its service life. Common causes of failure
include:
- Normal bearing wear after high mileage.
- Loss or deterioration of lubrication.
- Dirt or clutch dust contamination.
- Corrosion caused by moisture.
- Excessive heat generated by clutch slip.
- Wear caused by misalignment or heavy clutch use.
As the bearing wears, it may develop excessive play or roughness, placing additional stress on the clutch and gearbox.
When Should the Flywheel Spigot Bearing Be Replaced?
Replacement is recommended whenever:
- A new clutch kit is installed.
- The gearbox is removed.
- A flywheel is replaced.
- The bearing feels rough or noisy.
- Excessive play is detected.
- During engine or transmission rebuilds.
Because the bearing is inexpensive compared to the labour required to access it, Porsche specialists strongly recommend replacing it during every clutch replacement.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93110211102
The product you are viewing cross references to these numbers
- Porsche 911 1978-1989 3.3L Turbo (930)
Clutch pilot bearing supports and stabilises the manual transmission input shaft at the rear of the crankshaft/flywheel interface.
Fits:
Porsche 911 TURBO 3.3L 1984 - 1988
* Engine type: 930.66 / 930.68
Diagram ref no. 3
The clutch pilot bearing serves a critical alignment role between the engine and the manual transmission. When the clutch is disengaged, it helps guide the transmission input shaft, allowing it to remain centered in the crankshaft or flywheel as it spins. This ensures smooth clutch engagement and disengagement, and it significantly reduces wear on the transmission input shaft and splines.
The clutch pilot bearing operates in a high-stress environment at the heart of the drivetrain. Over time and mileage, the bearing can wear out, leading to symptoms like:
• Grinding or whining noises when the clutch is pressed
• Difficulty shifting gears, especially into first or reverse
• Vibrations from the clutch pedal or drivetrain
• In severe cases, the transmission may pop out of gear or sustain further damage.
Replacing bearing restores proper alignment between the engine and transmission, reduces drivetrain wear, and improves overall shifting smoothness and reliability.
Replace the clutch pilot bearing if:
• You are replacing the clutch assembly
• You hear noise when engaging/disengaging the clutch
• You experience difficult shifting or input-shaft vibration
• The bearing shows signs of wear or looseness during inspection
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010204200
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
The OE Match Flywheel Spigot Bearing also known as a pilot bearing, is a precision-engineered replacement drivetrain component designed to support and align the gearbox input shaft within the flywheel or crankshaft assembly. Manufactured to OE specifications for fit, performance and durability, this small but critical bearing helps ensure smooth clutch operation, accurate gearbox alignment and reliable transmission performance.
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
Diagram Ref No 4
Constructed from high-quality bearing materials and engineered to withstand continuous rotational forces, vibration and temperature fluctuations, the spigot bearing reduces friction between the engine and transmission assemblies. Proper operation of this component is essential for smooth gear changes and long-term drivetrain reliability.
What This Product Does:
- Supports and centres the gearbox input shaft.
- Maintains correct alignment between the engine and transmission.
- Reduces friction between rotating drivetrain components.
- Allows smooth rotation of the transmission input shaft.
- Helps ensure smooth clutch engagement and disengagement.
- Minimises wear on gearbox and clutch components.
- Contributes to reliable drivetrain operation and longevity.
Symptoms Of Wear Or Failure:
- Squealing, whining or grinding noises from the bellhousing area.
- Noise that changes when the clutch pedal is operated.
- Difficulty engaging gears, particularly first or reverse.
- Transmission input shaft vibration.
- Clutch drag or incomplete clutch disengagement.
- Rough or inconsistent gear changes.
- Excessive wear on the clutch disc or gearbox input shaft.
- Increased drivetrain vibration.
- Premature wear of associated transmission components.
Why Replacement Matters:
- The flywheel spigot bearing operates continuously whenever the engine is running and plays a vital role in maintaining proper alignment between the engine and gearbox. Over time, bearing surfaces can wear, lubrication can deteriorate and contamination may affect bearing performance, leading to increased friction and misalignment.
- A worn spigot bearing can cause difficult gear selection, clutch disengagement issues and accelerated wear of the gearbox input shaft and clutch components. If left unresolved, bearing failure may lead to costly transmission repairs and reduced drivetrain reliability.
- Replacing a worn flywheel spigot bearing restores proper gearbox alignment, improves clutch and transmission operation and helps protect surrounding drivetrain components from premature wear. An OE Match replacement provides factory-style fitment, precision manufacturing and dependable long-term durability, ensuring smooth performance and reliable operation for your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110202501
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 914 (1970-1976)
6 Bolt type 215mm
Fits:
Porsche 911 2.0L 1965-69 (not for 912)
Note: early 911's might need to change the starter motor to later type (part number 901604102DX)
Porsche 914 1970-76 (6 cylinder only 914-6)
Lightweight Flywheel with starter ring for Porsche 911 65 - 69
The flywheel with starter ring is an important component in the drive system of a vehicle, including the Porsche 911 from 1965 to 1969. This component has a crucial function in starting the engine.
The flywheel is a round plate that is connected to the crankshaft bearing. It serves as a support for the starter ring, which in turn is connected to the vehicle's starter motor. The starter ring consists of a series of teeth or cams that allow it to mesh with the starter motor. When the driver turns the ignition key, the starter motor is activated and engages the starter ring to turn the crankshaft and start the engine.
The flywheel with starter ring for Porsche 911 from 1965 to 1969 is specially designed and manufactured for these model years. It is made of high quality material to ensure reliable performance and durability. The starter ring is precision manufactured to provide a secure and smooth connection with the starter motor.
When servicing or repairing the drive system of a 1965 to 1969 Porsche 911, it may be necessary to inspect or replace the flywheel with starter ring. Damage or signs of wear can impair the performance of the starter or lead to starting problems. In such cases, it is advisable to replace the defective component with a high-quality spare part to restore optimum engine function.
The flywheel with starter ring is an important element for the smooth starting of the engine of a Porsche 911 from 1965 to 1969. By regular maintenance and the use of high-quality spare parts, car owners can ensure the reliability of their vehicle and improve the driving experience.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110202602
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 914 (1970-1976)
The OE Match Flywheel with Starter Ring Gear, 6 Bolt Type, 215mm is a high-quality replacement drivetrain component designed to transfer engine power smoothly to the clutch and transmission while providing the engagement surface for the starter motor. Manufactured to OE specifications for fit, balance and durability, this flywheel is engineered to deliver reliable performance and factory-correct operation.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 914 (1970-1976)
Featuring an integrated starter ring gear and 6-bolt mounting configuration, the flywheel serves as a critical component of the clutch and starting systems. Precision-machined to maintain proper rotational balance and clutch engagement characteristics, it helps ensure smooth engine operation, consistent clutch performance and dependable engine starting.
What This Product Does:
- Transfers engine torque to the clutch assembly and transmission.
- Provides rotational mass to smooth engine operation.
- Supports stable idle and drivability characteristics.
- Features an integrated starter ring gear for starter motor engagement.
- Provides the friction surface for clutch engagement.
- Helps reduce drivetrain vibration and harshness.
- Maintains proper balance within the engine and drivetrain assembly.
Symptoms Of Wear Or Failure:
- Clutch vibration or shudder during engagement.
- Difficulty engaging gears smoothly.
- Excessive drivetrain vibration.
- Starter motor engagement problems.
- Grinding noises during engine starting.
- Visible damage or wear to the starter ring gear teeth.
- Hot spots, scoring or cracks on the clutch friction surface.
- Premature clutch wear.
- Unusual noises from the bellhousing area.
- Reduced overall clutch and drivetrain performance.
Why Replacement Matters:
- The flywheel is subjected to constant torque loads, heat cycles, clutch friction and engine vibration throughout its service life. Over time, the friction surface can become worn, warped or heat-damaged, while the starter ring gear may suffer tooth wear from repeated starter engagement.
- A worn flywheel can negatively affect clutch performance, causing vibration, poor engagement and accelerated wear of clutch components. Damaged ring gear teeth may also lead to starter motor engagement issues, making engine starting difficult or unreliable. If left unresolved, flywheel problems can contribute to costly clutch and drivetrain repairs.
- Replacing a worn or damaged flywheel restores smooth clutch operation, reliable starter engagement and proper drivetrain performance. An OE Match replacement provides factory-style fitment, precision balancing and durable construction, ensuring dependable operation and helping preserve the driving characteristics expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110202602
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
The OE Match 225mm Forged Chromoly Lightweight Flywheel is a high-performance replacement drivetrain component engineered to improve engine responsiveness, acceleration and overall driving engagement. Manufactured from premium forged chromoly steel, this lightweight flywheel offers exceptional strength and durability while significantly reducing rotational mass compared to a standard flywheel.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Designed for use with 225mm clutch assemblies, the flywheel provides the critical friction surface required for clutch operation while maintaining precise balance and OE-style fitment. The lightweight construction allows the engine to rev more freely, making it a popular upgrade for performance-focused Porsche applications, track-day vehicles and engine rebuild projects.
What This Product Does:
- Transfers engine torque to the clutch and transmission.
- Provides the friction surface for clutch engagement.
- Stores and transfers rotational energy from the crankshaft.
- Reduces rotating mass compared to a standard flywheel.
- Improves engine responsiveness and throttle reaction.
- Allows the engine to gain and shed revs more quickly.
- Supports smooth clutch operation and gear changes.
- Enhances overall driving performance and engagement.
Symptoms Of Wear Or Failure:
- Clutch shudder or vibration during engagement.
- Excessive drivetrain vibration.
- Difficulty achieving smooth gear changes.
- Hot spots or scoring on the clutch contact surface.
- Premature clutch wear.
- Burning clutch odours during operation.
- Cracks or visible damage on the flywheel face.
- Rattling or knocking noises from the bellhousing area.
- Uneven clutch engagement characteristics.
- Reduced drivetrain smoothness and performance.
Why Replacement Matters:
- The flywheel is subjected to constant engine torque, clutch friction and repeated heat cycles throughout its service life. Over time, the friction surface can become worn, warped, cracked or heat-damaged, reducing clutch efficiency and negatively affecting drivability.
- A damaged flywheel can cause clutch vibration, inconsistent engagement and accelerated wear of the clutch disc and pressure plate. Installing a new clutch onto a worn flywheel may compromise clutch performance and significantly shorten component lifespan. In severe cases, flywheel failure can lead to extensive drivetrain damage and costly repairs.
- Replacing a worn flywheel with a forged chromoly lightweight unit restores reliable clutch performance while offering enhanced engine response and reduced rotational inertia. The OE Match lightweight flywheel provides factory-style fitment, precision balancing and exceptional strength, making it an ideal choice for Porsche owners seeking improved performance, durability and driving enjoyment.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010221500
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
Fits:
Porsche 911 3.0L SC 1978-79
The flywheel for Porsche 911 SC 78/79 is a high-quality spare part, specially designed for vehicles with a power of 180 to 188 hp. This flywheel is an essential part of the engine and ensures that the rotary motion of the engine is transmitted to the crankshaft.
Made of sturdy material and using modern manufacturing techniques, this flywheel ensures reliable and precise performance. It is manufactured with great care and precision to meet the high demands and standards of your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010220403
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
Fits:
Porsche 911 3.0L SC 1980-83
The flywheel is an essential component of the drivetrain in a vehicle. It is located between the engine and the clutch and serves to transfer the rotational motion of the engine to the transmission shaft.
Our flywheel has been specifically designed for the Porsche 911 of model years 1980 to 1983. It is characterized by high-quality materials and precise craftsmanship to ensure optimal performance and reliability.
Made of robust steel, the flywheel offers excellent strength and durability to withstand the stresses of the engine. Additionally, it is carefully balanced to minimize vibrations and imbalances, resulting in smooth engine operation.
The installation of the flywheel is carried out according to the original specifications, ensuring a seamless installation process. It is a direct replacement for the original flywheel and fits perfectly into the mentioned model years of the Porsche 911.
With our high-quality flywheel, you can optimize the performance and reliability of your Porsche 911 (model years 1978-1983). Whether you are restoring your vehicle or looking to replace a faulty flywheel, our flywheel is the ideal choice. Trust in our quality and enjoy an enhanced driving experience.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010221500
The product you are viewing cross references to these numbers
- Porsche 911 1978-1989 3.3L Turbo (930)
The OE Match Flywheel is a high-quality replacement drivetrain component designed to transfer engine power smoothly to the clutch assembly and transmission while maintaining optimal engine balance and drivability. Manufactured to OE specifications for fit, weight distribution, balance and durability, this flywheel provides the critical interface between the engine crankshaft and clutch system.
Fits:
- Porsche 911 1978-1989 3.3L Turbo (930)
Precision-machined from high-grade materials, the flywheel stores rotational energy generated by the engine and helps deliver smooth, consistent power to the drivetrain. It also provides the friction surface required for clutch engagement, making it an essential component for reliable power transfer, smooth gear changes and overall vehicle performance.
What This Product Does:
- Transfers engine torque to the clutch and transmission.
- Provides the clutch friction surface for engagement and disengagement.
- Stores rotational energy to smooth engine operation.
- Helps maintain stable idle characteristics.
- Reduces drivetrain vibration and engine pulsations.
- Supports smooth gear changes and clutch performance.
- Contributes to efficient power delivery and drivability.
- Maintains correct balance within the engine and drivetrain assembly.
Symptoms Of Wear Or Failure:
- Clutch judder or shudder during take-off.
- Excessive drivetrain vibration.
- Uneven or inconsistent clutch engagement.
- Difficulty achieving smooth gear changes.
- Scoring, cracking or heat spots on the flywheel surface.
- Premature clutch wear.Burning clutch odours.
- Rattling or knocking noises from the bellhousing area.
- Excessive clutch slippage under load.
- Reduced overall driving comfort and performance.
Why Replacement Matters:
- The flywheel is subjected to significant mechanical loads, heat cycles and friction generated by clutch operation. Over time, the clutch contact surface can become worn, warped or heat-damaged, affecting clutch engagement and overall drivetrain performance.
- A damaged flywheel can cause vibration, poor clutch operation and accelerated wear of the clutch disc and pressure plate. Continuing to operate with a worn flywheel may compromise the performance of new clutch components and increase the likelihood of more extensive transmission and drivetrain repairs.
- Replacing a worn or damaged flywheel restores smooth power transfer, improves clutch engagement and helps maximise the lifespan of associated clutch components. An OE Match replacement provides factory-style fitment, precision balancing and durable construction, ensuring reliable performance and preserving the driving characteristics expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010221300
The product you are viewing cross references to these numbers
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 930 Turbo 1978-79
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010220201
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
This is a brand new 200mm Conversion Flywheel to install a Porsche 356, 912 and 36HP VW Engine with a later VW Transmission.
Fits:
Porsche 356 / 912
Weight: 12LB
Clutch Depth: 20.5mm
No. of Teeth: 130
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008200F12VW
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converter, converter housing SPM - G 925/16 - 911 1978-83 307-05
OEMatch Flywheel / Torque Converter — Fit, Function, Confidence
OEMatch Flywheel / Torque components are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when genuine or OEM parts are unavailable. Flywheels and torque converters transfer engine torque to the gearbox, smooth rotational forces and allow engagement in manual and automatic transmissions. For Porsche models they play a central role in clutch performance, idle balance and transmission behaviour.
Understanding OEMatch Flywheel / Torque Converter
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original flywheel / torque.
OE (Original Equipment) refers to parts matching original specifications for the flywheel / torque and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM flywheel / torque engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
OEMatch also catalogues over 4,000 part numbers with more than 8,700 OE cross-references and continues to develop new lines to support Porsche vehicles across many generations.
Benefits Include
- Restores smooth engine-to-transmission torque transfer and reduces driveline vibration
- Provides correct friction surfaces and balance for reliable clutch engagement
- Offers options for manual, automatic and PDK applications to suit specific Porsche drivetrains
Why Flywheel / Torque Wear and Fail
- Heat and clutch slippage can warp or glaze flywheel friction surfaces
- Ring gear wear or cracked teeth affect starter engagement
- Torque converters suffer fluid contamination, internal seal failure or bearing wear leading to shudder or loss of torque transfer
The Importance of Replacing with OEMatch Flywheel / Torque
Timely replacement restores smooth torque delivery, reduces vibration and prevents secondary damage to the clutch, gearbox and bearings. Replacing worn units during clutch or transmission service helps retain balance and reduces the risk of recurrent noise, shudder or accelerated wear. Selecting the correct unit for the Porsche model and transmission type supports consistent drivability.
Advantages
- Direct-fit units prepared to original specifications where applicable
- Options available for OEM-spec, remanufactured and performance-oriented replacements where suitable
- Parts selected for Porsche applications and cross-referenced to factory references
Available Types
- Single-mass flywheels for manual transmissions
- Dual-mass flywheels and carrier assemblies
- Lightweight flywheels for performance applications where appropriate
- Torque converters for automatic and PDK transmissions, including remanufactured units
Support & Advice
Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new bolts where specified and confirm correct alignment and balance when installing flywheels or torque converters.