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Flywheel / Torque
By OE Match
- 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 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 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)
Fitting Position: Transmission End
Inner Diameter: 90 mm, Outer diameter: 110 mm, Width: 12 mm
Radial Shaft Seal Design.
Fits:
Porsche 911 3.0L 1978 - 1983
Porsche 911 3.2L 1984 - 1989
Porsche 930 Turbo 1975 - 1989
Diagram Ref No 33
The rear main oil seal fits at the rear of the crankshaft where it passes through the engine case. It helps retain engine oil inside the crankcase and prevents oil from leaking into the flywheel, clutch, or transmission bellhousing area.
Functions
• Replaces the rear crankshaft oil seal
• Helps seal the rear of the engine crankshaft
• Helps prevent engine oil leaks from the bellhousing area
• Protects the clutch and flywheel area from oil contamination
• Supports correct crankcase oil retention
• Replaces hardened, worn, split, leaking, or damaged original seals
• OE Match replacement for Porsche 911 and 930 engine service.
Why Replace This Part?
Rear main oil seals are exposed to heat, crankshaft rotation, oil, pressure changes, and age-related wear. Over time, the seal can harden, shrink, crack, wear, or lose sealing ability. A failed rear main seal may cause oil leaks between the engine and gearbox, oil contamination on the clutch, burning oil smells, or visible oil dripping from the bellhousing area. Replacing the seal helps restore a clean, reliable crankshaft seal.
When to Replace This Part
• Oil is leaking from between the engine and gearbox
• Oil drips are visible from the bellhousing area
• The clutch or flywheel is contaminated with oil
• The engine or gearbox has been removed
• The flywheel is being removed or replaced
• The original seal is hardened, worn, split, or leaking
• Preventative replacement is being carried out during clutch or engine service.
Where it fits on the car
This oil seal fits at the rear crankshaft position on Porsche 911 and 930 engines. It sits between the crankshaft and engine case, behind the flywheel area.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911342641
The product you are viewing cross references to these numbers
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.
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Clutch Kits
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Clutch Guide Tube
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Clutch Ring Gear
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