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Porsche > 944 (1982-1991) > Gearbox / Transmission >

Flywheel / Torque

Flywheel / Torque

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DISPLAYING 1 to 16 (of 17 products)
1 2
Flywheel damper. Porsche 924S / 944 - 94411606502, 94411606505
5
Flywheel damper. Porsche 924S / 944
Special Order item
94411606505
Product Information
Product Information
Flywheel damper.

Fits:
Porsche 924 S 1986-88
Porsche 944 1982>> Automatic cars

Diagram ref no. 21

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Related, superseded, cross reference or alternative numbers for comparison.

94411606505
94411606502
94411606505

The product you are viewing cross references to these numbers
Flywheel drive plate. Porsche 944 1982-85 Automatic - 94410205301
4
Flywheel drive plate. Porsche 944 1982-85 Automatic
Special Order item
94410205301
Product Information
Product Information
Flywheel Drive plate

porsche

Fits:
Porsche 944 2.5L 1982-85 Automatic transmission (M249)

Click picture for large parts diagram.
Diagram ref no. 2

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Related, superseded, cross reference or alternative numbers for comparison.

94410205301
94410205301

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Flywheel locking tool. Porsche 924 / 944 - 00072192060
1
Flywheel locking tool. Porsche 924 / 944
Special Order item
00072192060
Product Information
Product Information
Flywheel locking tool. This locking tool is used to replace the timing belts as a locking device of the crankshaft and is designed to fit play-free due to the slotted hole.

porsche

Fits:
Porsche 924 S 1986-88
Porsche 944

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

00072192060
00072192060

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Flywheel locking tool. Porsche 924 S / 944 - 1085, 00072192060
1
Flywheel locking tool. Porsche 924 S / 944
1085
Product Information
Product Information
Flywheel locking tool.
Porsche ref no 00072192060

nordschleife

Fits:
Porsche 924 S
Porsche 944 (also S, S2, turbo)


This locking tool is used to replace the timing belts as a locking device of the crankshaft and is designed to fit play-free due to the slotted hole.

Made in Germany. The surface is galvanized.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

1085
1085
00072192060

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Flywheel spigot bearing. Porsche 911 / 924 / 944 / 968 / 997GT3RS - 93110211100, 93110211102, 93110211102/1
3
Flywheel spigot bearing. Porsche 911 / 924 / 944 / 968 / 997GT3RS
93110211102/1
Product Information
Product Information
Flywheel spigot bearing.

oematch

Fits:
Porsche 911 1989 Onwards 930.66 / 930.68
Porsche 911 (930) Turbo 1989 Onwards 930.66 / 930.68
Porsche 924 Turbo 1976-85
Porsche 924S 1986-88
Porsche 944 1982-91
Porsche 968 1992-95
Porsche 964 1989-94
Porsche 997 Turbo 2007-09
Porsche 997 GT3 I004 (RS version) 2007-11

Click 'Zoom in' for large parts diagram.
Diagram ref no 3.

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93110211102
93110211100
93110211102
93110211102

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Flywheel. Porsche 944 1982-85
3
Flywheel. Porsche 944 1982-85
Special Order item
94410205100
Product Information
Product Information
Flywheel.

Fits:
Porsche 944 2.5L 1982-85 Manual cars

Diagram ref no. 2
Flywheel. Porsche 944 1986>> - 94410205101
2
Flywheel. Porsche 944 1986>>
Special Order item
94410205101
Product Information
Product Information
Flywheel.

porsche

Fits:
Porsche 944 2.5L 1986>> Manual cars

Click 'Zoom in' for large parts diagram.
Diagram ref no. 2

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94410205101
94410205101

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Flywheel. Porsche 944 1986>> - 94410205101, 313 09 685
3
Flywheel. Porsche 944 1986>>
94410205101/1
Product Information
Product Information
Flywheel.

Fits:
Porsche 944 2.5L 1986>> Manual cars

Diagram ref no. 2

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94410205101
94410205101
313 09 685

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Flywheel. Porsche 944 1986>> - 94410205302
3
Flywheel. Porsche 944 1986>>
Special Order item
94410205302
Product Information
Product Information
Flywheel.

Fits:
Porsche 944 2.5L 1986>> Automatic cars

Diagram ref no. 2

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94410205302
94410205302

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Flywheel. Porsche 944 Turbo 1986>> - 95110205101, 313 09 397
4
Flywheel. Porsche 944 Turbo 1986>>
95110205101/1
Product Information
Product Information
Flywheel 

Fits:
Porsche 944 Turbo 2.5L 1986>>

Diagram ref no. 2

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Related, superseded, cross reference or alternative numbers for comparison.

95110205101
95110205101
313 09 397

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Flywheel. Porsche 944S 1987>>
5
Flywheel. Porsche 944S 1987>>
Special Order item
94410205102
Product Information
Product Information
Flywheel.

Fits:
Porsche 944 S 1987>> Manual cars

Diagram ref no. 2
Lightweight billet aluminium flywheel. Porsche 944 2.5ltr/ 924S - 94410205100, 94410205302 - SP00A
1
Lightweight billet aluminium flywheel. Porsche 944 2.5ltr/ 924S
94410205100/1
Product Information
Product Information
Lightweight billet aluminium flywheel. 
Weight: 7lbs / 3.17kg

Fits:
Porsche 944 2.5ltr  8v - 1982 to 1987
Porsche 944 2.7ltr 8v - 1988 to 1989
Porsche 924S - 1986 to 1988

“Tuned” Billet Flywheels
Manufactured from only the highest quality steel and aluminum they are the only flywheels on the market manufactured to a .001 machine tolerance. This guarantees a flat seating surface for the clutch and smooth rotational qualities for perfect balance and extended engine life.

Machined friction plate is bolted in place so can be replaced if needed

SPEC billet flywheels are manufactured and developed for specific driving environments and recommended based on how each car reacts to changes in rotating mass.

Please Note
Images may be a representation and may not reflect the actual product.



Related reference numbers
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94410205100
94410205100
94410205302

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Lightweight billet aluminium flywheel. Porsche 944 S2 3.0ltr - 94410210507 - SP31S
1
Lightweight billet aluminium flywheel. Porsche 944 S2 3.0ltr
94410210507/1
Product Information
Product Information
Lightweight billet aluminium flywheel. 

spec

Fits:
Porsche 944 S2 3.0ltr  - 1989 to 1991

“Tuned” Billet Flywheels
Manufactured from only the highest quality steel and aluminum they are the only flywheels on the market manufactured to a .001 machine tolerance. This guarantees a flat seating surface for the clutch and smooth rotational qualities for perfect balance and extended engine life.

Machined friction plate is bolted in place so can be replaced if needed

SPEC billet flywheels are manufactured and developed for specific driving environments and recommended based on how each car reacts to changes in rotating mass.

Please Note
Images may be a representation and may not reflect the actual product.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94410210507
94410210507

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Lightweight billet aluminium flywheel. Porsche 944 turbo - 95110205101
1
Lightweight billet aluminium flywheel. Porsche 944 turbo
95110205101/2
Product Information
Product Information
Lightweight billet aluminium flywheel. 

spec

Fits:
Porsche 944 turbo 2.5ltr  - 1985 to 1991

“Tuned” Billet Flywheels
Manufactured from only the highest quality steel and aluminum they are the only flywheels on the market manufactured to a .001 machine tolerance. This guarantees a flat seating surface for the clutch and smooth rotational qualities for perfect balance and extended engine life.

Machined friction plate is bolted in place so can be replaced if needed

SPEC billet flywheels are manufactured and developed for specific driving environments and recommended based on how each car reacts to changes in rotating mass.

Please Note
Images may be a representation and may not reflect the actual product.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95110205101
95110205101

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Rear main oil seal. Porsche 964 / 993 / 996 - 99911342641, 21074, 99911321440, 99911321540, 99911324240, 99911326440, 99911327040, 99911342640, 99911342641, 99911346140, 569.120
3
Rear main oil seal. Porsche 964 / 993 / 996
99911342641/1
Product Information
Product Information

Rear Main Oil Seal for Porsche 

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.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99911342641
99911342641
21074
99911321440
99911321540
99911324240
99911326440
99911327040
99911342640
99911342641
99911346140
569.120

The product you are viewing cross references to these numbers
Threaded pin flywheel. Porsche 924S / 944 - 477105276
3
Threaded pin flywheel. Porsche 924S / 944
Special Order item
477105276
Product Information
Product Information
Threaded pin flywheel. 
Sold each - 3 required per car

porsche

Fits:
Porsche 924S - 1986 to 1988
Porsche 944 / 944S / 944 S2 - 1982 to 1991
Porsche 944 turbo - 1985 to 1991

Click 'Zoom in' for large parts diagram.
Diagram ref no 23



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477105276
477105276

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DISPLAYING 1 to 16 (of 17 products)
1 2
About Flywheel / Torque

Porsche Flywheels & Torque Converters | Smooth Power Transfer & Engine Balance

Flywheels and torque converters are vital components in your Porsche’s drivetrain, ensuring smooth power transfer from the engine to the transmission. The flywheel provides rotational balance and stores kinetic energy for manual gear changes, while the torque converter in automatic models performs a similar role — transferring engine torque hydraulically for seamless acceleration.

At Design911, we supply precision-engineered flywheels and torque converters designed to meet or exceed original performance specifications. Each component is manufactured from high-grade materials, ensuring strength, balance, and reliability under all driving conditions. Whether you’re restoring a classic 911 or maintaining a modern PDK-equipped Porsche, our range provides the quality and performance your drivetrain demands.

What Do Flywheels & Torque Converters Do?

Both components play critical roles in the performance and drivability of your Porsche, acting as torque-transfer systems between the engine and gearbox.

Flywheels (Manual Transmissions):
Store rotational energy to maintain engine smoothness. Provide a friction surface for clutch engagement. Aid in gear transitions by balancing engine speed and torque.

Torque Converters (Automatic Transmissions):
Transfer torque through fluid dynamics between engine and gearbox. Enable smooth gear shifting without clutch operation. Multiply torque for efficient acceleration and smoother driving.

Together, they ensure seamless operation, smooth starts, and optimal power delivery from engine to transmission.

Why Do Flywheels & Torque Converters Fail or Wear Out?

Over time, both flywheels and torque converters experience wear due to high rotational forces, friction, and heat cycles.

Common Causes of Failure Include:

  • Heat damage or warping from clutch slippage (flywheels).
  • Cracked or worn ring gear teeth affecting starter engagement.
  • Fluid contamination or internal seal leaks (torque converters).
  • Bearing wear leading to vibration or imbalance.
  • Excessive torque or misalignment from modified engines.

Symptoms of failure may include clutch chatter, transmission shudder, vibration during acceleration, or slipping during gear changes. Ignoring these signs can lead to further drivetrain damage.

Why Replace your Flywheel or Torque Converter?

Replacing worn flywheels or torque converters restores smooth torque delivery, reduces vibration, and ensures reliable clutch or transmission performance. Upgraded lightweight flywheels improve throttle response, while performance torque converters enhance acceleration and drivability.

Key Benefits:

  • Restores smooth engine-to-transmission power delivery.
  • Eliminates vibration, slippage, and engagement issues.
  • Improves clutch or automatic transmission performance.
  • Balances rotational mass for smoother idling and shifting.
  • Available in lightweight or performance designs for tuned Porsches.
  • Ideal for clutch replacement, transmission rebuilds, or performance upgrades.

It’s strongly recommended to replace the flywheel or torque converter during any major clutch or gearbox service for long-term reliability and balanced performance.

Highlights

  • Premium Porsche flywheels and torque converters.
  • Precision-balanced for smooth, vibration-free operation.
  • Manufactured from high-strength, heat-treated materials.
  • Available for manual, automatic, and PDK Porsche models.
  • Enhances drivability, acceleration, and transmission longevity.
  • Essential for gearbox rebuilds, clutch services, and performance tuning.

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