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Flywheel / Torque
By OE Match
- 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Related, superseded, cross reference or alternative numbers for comparison.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 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 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 (1950 to 1965)
Porsche 911 and 912 (1965 to 1969)
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
53902103
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.
