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Porsche // Boxster 986/987/981 (1997-2016) // Boxster 986 2.7L 1999-02
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- Porsche Boxster 981 2.7L 2012-16
- Porsche Cayman 2.7L 981 2013-16
Driveshaft Flange Long for PDK Gearbox – CG205
This long driveshaft flange is a replacement gearbox
component for Porsche 981 Boxster and Cayman models equipped with the CG205
7-speed PDK transmission.
Fits:
- Porsche Boxster 981 2.7L 2012-16
- Porsche Cayman 2.7L 981 2013-16
Diagram Ref No 17
Located at the gearbox output, the flange provides the connection between the transmission and driveshaft, transferring rotational power to the rear wheels.
Not suitable for CG225 gearboxes, which use long flange reference 9G233220925.
Always confirm the vehicle VIN and gearbox code before ordering.
What Does It Do?
The long driveshaft flange connects the PDK gearbox output shaft to the driveshaft, allowing engine torque to pass through the drivetrain and drive the rear wheels.
Its extended design provides the correct connection for the CG205 gearbox arrangement.
Why Is It Important?
A correctly fitted flange maintains a secure connection between the transmission and driveshaft.
A worn or damaged flange may result in:
- Vibration during acceleration
- Knocking or clunking noises
- Excessive movement at the driveshaft connection
- Wear or damage to associated drivetrain components
Why Does It Fail?
- Common causes include:
- Wear at the driveshaft mounting points
- Repeated drivetrain loads
- Corrosion or damaged contact surfaces
- Loose or incorrectly tightened fixings
- Damage during driveshaft or gearbox removal
When Should It Be Replaced?
Replace the flange if it becomes cracked, distorted, excessively worn or has damaged mounting surfaces.
Inspection is recommended during driveshaft replacement, gearbox repairs or when unusual drivetrain vibration is present.
Checks & Installation
Inspect the gearbox output shaft, retaining ring, driveshaft connection and surrounding oil seal before installation.
Ensure the flange is correctly seated and all fixings are tightened to Porsche specifications.
Professional installation is recommended.
Key Features
- Long driveshaft output flange
- Designed for CG205 PDK transmissions
- Connects the gearbox to the driveshaft
- Helps maintain secure power transfer
- Suitable for Porsche 981 Boxster and Cayman 2.7L models with CG205
- Replacement for worn or damaged gearbox flanges
Porsche 981 Boxster & Cayman PDK Driveshaft Flanges
The Porsche 981 PDK transmission uses driveshaft output flanges to transfer power from the gearbox to the rear wheels. Correct flange selection is important because CG205 and CG225 gearboxes use different components.
The long driveshaft flange is designed for Porsche 981 Boxster and Cayman models fitted with the CG205 gearbox, providing a replacement for damaged or worn transmission output connections.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9G233220905
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- 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 Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Oil seal for the short differential output shaft, located on the side of the gearbox with the differential cover.
Outer Diameter: 90mm.
Fits:
Vehicles With Tiptronic Transmission (PR 249)
Porsche 986 Boxster 1997-04
Porsche 987-1 Boxster 2005-08
Porsche 987-1 Cayman 2006-08
Diagram ref. 3.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98639702700
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- 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 Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Outer Diameter: 54mm.
Fits:
Vehicles With Tiptronic Transmission (PR 249)
Porsche 986 Boxster 1997>>2004
Porsche 987.1 Boxster MKI 2005>>2008
Porsche 987.1 Cayman 2006>>2008
Porsche 996 Carrera 3.4L 1998>>2001
Diagram Ref No 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99639701500
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
The Porsche Round Seal for Flanged Shaft is a genuine OEM component engineered for vehicles equipped with the Tiptronic transmission. Positioned at the flanged/intermediate shaft housing, this seal prevents automatic transmission fluid (ATF) from leaking while keeping dirt and moisture from entering the transmission assembly.
Fits:
- Porsche Boxster 986 2.7L 1999-00
- Porsche Boxster S 986 3.2L 1999-00
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Cars With Option Codes:
249 - Tiptronic Transmission
What This Product Does:
- It seals the interface between the intermediate / flanged shaft and the transmission housing, preventing fluid (transmission oil / ATF) from leaking out.
- Maintains the internal fluid pressure and lubrication inside the Tiptronic transmission / differential system.
- Prevents external contaminants (dirt, water) from entering the transmission via that junction.
- Helps ensure the correct fluid environment, which is critical for gears, bearings and internal transmission components to remain lubricated and cool.
Symptoms Of A Worn / Failed Seal:
- Transmission fluid leaks (ATF / transaxle oil) around the area of the intermediate shaft or housing joint.
- Low transmission / transaxle fluid levels over time.
- Whining, gear noise or increased operating temperature if lubrication is compromised.
- Slipping, harsh shifts, or degraded Tiptronic performance when fluid levels or pressure are affected.
- Oil staining or wetness on the underside of the car or near the transmission.
- Possibly visible damage to the seal (cracks, deformations) or misalignment in the shaft / flange area.
Why Replacement Matters:
- Ensures fluid integrity and pressure inside the transmission—without a proper seal the system can lose fluid or allow contamination.
- Protects internal transmission components (gears, bearings, clutches) from insufficient lubrication or contamination.
- Prevents costly damage from running low on fluid or letting debris in.
- Avoids slipping, erratic shifting, or even transmission failure.
Diagram Ref No 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98639703400
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- 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 Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
The Differential Output Shaft Seal – Cover Side is a OE MATCH drivetrain sealing component designed to prevent gear oil leakage from the differential where the output shaft exits the differential housing. This seal helps maintain proper lubrication inside the differential while protecting internal gears and bearings from contamination.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- 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 Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Diagram Ref No 3
What This Product Does:
- Sealing the differential output shaft opening
- Preventing gear oil leaks from the differential housing
- Maintaining proper lubrication of internal gears
- Protecting internal components from dirt and debris
- Supporting smooth and reliable drivetrain operation
Symptoms Of Wear Or Failure:
- Gear oil leaks near the differential or axle area
- Oil spots under the vehicle
- Low differential fluid levels
- Whining or grinding noises from the drivetrain
- Oil residue around the differential housing or driveshaft connection
Why Replacement Matters:
- Prevent gear oil leaks
- Maintain proper differential lubrication
- Protect gears and bearings from premature wear
- Ensure smooth drivetrain performance
- Avoid costly differential repairs or replacement
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98639702700
The product you are viewing cross references to these numbers