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Threaded pin Genuine Porsche part 93010222100

Code: 93010222100

Genuine Porsche part

Threaded pin

The product code 93010222100 was also found on these diagrams

102-00 - threaded pin

Crankshaft 911 1984-86

Additional information:

• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.

Before purchasing thoroughly check part to confirm compatibility.

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3 3 3

Flywheel bolt. Porsche 911 / 924S / 944 / 964 / 968

93010220601/1

Product Information

Flywheel socket head bolt.
Built to factory spec for 911, 924S, 944, 964, and 968. It used for secure clamping of the flywheel to the crankshaft, maintaining precise alignment and long-term reliability.
Sold each, 9 required per vehicle.

Fits:
Porsche 911 1978-89
Porsche 924S 1986-88
Porsche 944 1982-91
Porsche 964 1989-94 (not RS)
Porsche 968 1992-95

Diagram ref no 6.

Provides the critical clamping force between crankshaft flange and flywheel. Correct bolt stretch and friction are essential to prevent loosening, fretting, or flywheel run-out that can cause vibration, starter engagement issues, or clutch damage.

Over time, flywheel bolts can stretch, corrode, or lose their clamping strength due to repeated torque cycles and heat exposure. A weakened or reused bolt may fail to maintain the necessary preload, risking vibration, misalignment, or flywheel damage.

Replace the flywheel bolts when:
• Performing a clutch or flywheel replacement (most Porsche bolts are single-use torque-to-yield).
• Bolts show signs of corrosion, thread damage, or head wear.
• The factory service procedure specifies new bolts for reassembly.

Installing a new bolt set ensures secure fastening, correct torque tension, and long-term drivetrain reliability.

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Related, superseded, cross reference or alternative numbers for comparison.

93010220601

93010220600

93010220601

The product you are viewing cross references to these numbers

Flywheel, 225mm. Porsche 911 1980-83

93010221500/1

Product Information

Flywheel, 225mm Forged Chromoly Lightweight.

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

93010221500

The product you are viewing cross references to these numbers

Flywheel. Porsche 930 1978-87

93010221300/1

Product Information

Flywheel.
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

93010221300

The product you are viewing cross references to these numbers

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Threaded pin Genuine Porsche part 93010222100