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Porsche > 928 (1978-1995) > 928GT 5.0L 1989-91 > Gearbox / Transmission >

Clutch Kits

Clutch Kits

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DISPLAYING 1 to 6 (of 6 products)
Clutch alignment tool. Porsche 911 / 924 / 944 / 928 / 968 / 994 / 993 / 996 (23 Teeth) - 1086
1
Clutch alignment tool. Porsche 911 / 924 / 944 / 928 / 968 / 994 / 993 / 996 (23 Teeth)
1086
Product Information
Product Information
Clutch alignment tool.
This tool is necessary for a professional assemblage of the clutch.

nordschleife

Fits:
For Vehicles with manual transmission
Porsche 911 G (1 of 3 possible variants, this one has 23 teeth)
Porsche 924 S / 924 Turbo
Porsche 944 / 944 Turbo
Porsche 928
Porsche 968
Porsche 964
Porsche 993
Porsche 996

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Related, superseded, cross reference or alternative numbers for comparison.

1086
1086

The product you are viewing cross references to these numbers
Clutch Kit. Porsche 928 S4 / GT Clutch Plate, Pressure Plate & Release Bearing - 92811691102, 92811691103, 3000951766, 3082176135, 1864093031, 4200080060, 3151174301
1
Clutch Kit. Porsche 928 S4 / GT Clutch Plate, Pressure Plate & Release Bearing
Special Order item
92811691103
Product Information
Product Information
Orginal Porsche Clutch kit contains:
Clutch plate, Pressure Plate and Release bearing.

Fits:
Porsche 928 S4 / 928 GT 5.0L 1988-91

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Related, superseded, cross reference or alternative numbers for comparison.

92811691103
92811691102
92811691103
3000951766
3082176135
1864093031
4200080060
3151174301

The product you are viewing cross references to these numbers
Clutch Kit. Porsche 928 S4 Clutch Plate, Pressure Plate & Release Bearing - 92811691101, 3000951768, 3082176031, 1864093031, 3151174301, 4200080060
1
Clutch Kit. Porsche 928 S4 Clutch Plate, Pressure Plate & Release Bearing
Special Order item
92811691101
Product Information
Product Information
Original Porsche Clutch kit contains:
Clutch plate, Pressure Plate and Release bearing.

Fits:
Porsche 928 S4 5.0L 1986-07 - 1988
Engine Type M28.41
Engine Type M28.42

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Related, superseded, cross reference or alternative numbers for comparison.

92811691101
92811691101
3000951768
3082176031
1864093031
3151174301
4200080060

The product you are viewing cross references to these numbers
Flywheel locking tool. Porsche 928 1983>> - 00072191611
1
Flywheel locking tool. Porsche 928 1983>>
Special Order item
00072191611
Product Information
Product Information
Flywheel locking tool.

porsche

Fits:
Porsche 928 from model year 1983
Porsche 928 S / S4 / GT / GTS
NOT suitable for 928 4.5L before year 83

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

00072191611
00072191611

The product you are viewing cross references to these numbers
Flywheel locking tool. Porsche 928 1983>> - 1146, 00072191611
1
Flywheel locking tool. Porsche 928 1983>>
1146
Product Information
Product Information
Flywheel locking tool.
Porsche ref no 00072191611

nordschleife

Fits:
Porsche 928 from model year 1983
Porsche 928 S / S4 / GT / GTS
NOT suitable for 928 4.5L before year 83

The locking tool is placed on the receiving points of the clutch slave cylinder, thus blocking the crankshaft via the ring gear. It is an indispensable special tool for working on the engine. The tool can be set free of play thanks to the long hole.

Made in Germany. The surface is galvanized.

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

1146
1146
00072191611

The product you are viewing cross references to these numbers
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
DISPLAYING 1 to 6 (of 6 products)
About Clutch Kits

Porsche Clutch Kits | Complete Solutions for Smooth Power Transfer

Clutch kits are comprehensive replacement sets that include all key components required to restore your Porsche’s clutch performance and drivability. Typically consisting of a clutch pressure plate, friction disc, and release bearing, these kits ensure balanced power transfer, consistent engagement, and long-term reliability under all driving conditions.

At Design911, we supply high-quality clutch kits designed to meet or exceed the performance standards of the original design. Each kit is precision-engineered using advanced friction materials, balanced pressure plates, and durable release bearings to deliver optimal engagement and smoother gear changes.

Whether you’re maintaining a classic 911, replacing worn parts in a Cayman, or upgrading a Boxster for enhanced response, our Porsche clutch kits provide everything needed for a professional-grade installation and dependable performance.

What Do Clutch Kits Do?

A clutch kit ensures that your Porsche’s engine power is efficiently transferred to the transmission while allowing the driver to change gears smoothly.

Core Functions:

  • Transfers torque between the engine and gearbox.
  • Allows smooth gear shifting by engaging and disengaging the clutch.
  • Maintains clutch balance and alignment through matched components.
  • Reduces driveline vibration and pedal effort for improved comfort.

A complete clutch kit replacement ensures all components work harmoniously, preventing mismatched wear and maintaining original pedal feel and engagement precision.

Why Do Clutch Kits Fail or Wear Out?

Over time, clutch components wear due to friction, heat, and mechanical stress. As the friction disc material degrades and the pressure plate loses tension, clutch performance diminishes — resulting in slippage, poor engagement, or noise.

Common Causes of Failure Include:

  • Friction plate wear from regular use or aggressive driving.
  • Heat glazing or burning due to clutch slipping.
  • Weak or fatigued pressure plate springs.
  • Contamination from oil leaks or hydraulic fluid.
  • Misalignment or worn release bearings causing uneven wear.

Once wear or slippage begins, the entire clutch assembly should be replaced to restore full functionality and prevent further drivetrain damage.

Why Replace Your Porsche Clutch Kit?

Replacing the clutch kit as a complete unit ensures balanced performance, smooth gear engagement, and reduced risk of component mismatch. Upgrading to a performance clutch kit can also enhance torque handling and pedal feel for modified or track-driven Porsches.

Key Benefits:

  • Restores smooth gear engagement and consistent power delivery.
  • Eliminates clutch slippage, judder, and vibration.
  • Ensures all components work together for balanced performance.
  • Improves pedal response and control.
  • Available in standard and high-performance configurations.
  • Ideal for clutch replacement, performance upgrades, or gearbox servicing.

For best results, always replace the clutch kit as a complete set — mixing old and new components can lead to premature wear or inconsistent operation.

Highlights

  • Complete Porsche clutch kits for road and performance use.
  • Precision-engineered for balanced, smooth engagement.
  • High-friction materials for superior torque transfer.
  • Includes pressure plate, friction disc, and release bearing.
  • Direct-fit solutions for Porsche 911, Cayman, Boxster, and more.
  • Suitable for maintenance, restoration, and tuning applications.       

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