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Transmission Parts
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.6L 09/01-2005
Fits:
Porsche 986 Boxster / S 2000-04 - Vehicles with 6-speed manual transmission (PR 480)
Porsche 996 Carrera 2 3.6L 2002-05 - Vehicles with 6-speed manual transmission (PR 480)*
Diagram ref. 4.
*NOTE: This part is only applicable to gearboxes with the code G9601, which are found in facelift Carrera 2 models. It is not compatible with Carrera 4 or 4S models.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630180400
The product you are viewing cross references to these numbers
Porsche Transmission Parts - Essential Components for Smooth Gearbox Operation
Porsche transmission parts are the core mechanical components responsible for controlling gear selection, torque transfer, and drivetrain efficiency. From internal gears and shafts to selectors, bearings, and synchronisers, these parts work together to deliver precise shifting, smooth power delivery, and long-term gearbox reliability.
Available from Design911, Porsche transmission parts are supplied to OEM standards, making them suitable for routine maintenance, fault repairs, and complete gearbox rebuilds across road and performance applications.
What Do Porsche Transmission Parts Do?
Transmission parts manage how engine power is converted into usable drive through controlled gear changes.
Core Functions:
- Transfer torque from the engine to the drivetrain
- Enable smooth and accurate gear selection
- Maintain correct gear ratios under load
- Support efficient power delivery and drivability
- Reduce friction, noise, and internal gearbox wear
Healthy transmission components are essential for both performance and longevity.
Why Do Transmission Parts Fail?
Transmission components operate under constant mechanical stress and are subject to wear over time.
Common Causes of Failure:
- Normal wear from high mileage
- Degraded or contaminated gearbox oil
- Aggressive driving or track use
- Heat build-up causing bearing or synchro wear
- Misalignment or previous component damage
Failing transmission parts often result in poor shifting, unusual noises, vibration, or loss of drive.
When Should Transmission Parts Be Replaced?
Porsche transmission parts should be inspected and replaced when symptoms or service conditions indicate wear.
Replacement Indicators:
- Grinding or difficulty selecting gears
- Excessive gearbox noise or whining
- Slipping or jumping out of gear
- Metallic debris found during oil changes
- During gearbox rebuilds or clutch replacement
Timely replacement helps prevent secondary damage and costly full transmission failure.
Highlights
- Genuine and OEM-spec Porsche transmission components
- Designed to restore smooth shifting and drivetrain reliability
- Suitable for repairs, servicing, and rebuilds
- Helps extend gearbox service life
- Trusted solutions for road and performance applications
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Clutch Kits
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Clutch Kits - High Performance
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Clutch Friction Plate
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Clutch Pressure Plate
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Clutch Release Bearings
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Clutch Cables & Parts
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Clutch Guide Tube
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Clutch Forks & Levers
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Clutch Bolts
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Gearbox Parts
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Driveshafts & Parts
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Gasket Sets / Gaskets / Seals / Lock Nuts
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Gearbox Mounts
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Gearshift Control Parts
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Flywheel / Torque
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CV Joints Kits
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CV Boots and Kits
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Cardan Shaft / Prop Shaft
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Gearbox / Differential Oil
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Gearbox Sump / Oil Pan
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Rear Differential
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Transmission Cooling
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Motor Sport Parts
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