Gearbox Gears / Crown Wheel and Pinion


- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
if you are experiencing the dreaded 2nd gear pop out and or grinding when downshifting from 3rd it's likely you need to replace these parts. This is especially if no other method you may have tried has corrected the issue. fits G96/00, G96/01, G96/30, G86/20
Fits:
Porsche 986 Boxster S 2000-04 6-Speed Manual
Porsche 996 C2/C4 1998-01 6-speed Manual
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2NDGEARKIT
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This kit is comprised of the following items:





- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- 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

Fits:
Porsche 986 Boxster S 2000-04 6-speed manual (G86.20)
Porsche 996 C2 / C4 1998-05 6-speed manual (G96.00 / G96.30 / G6.01 / G96.31)
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
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99630440100
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- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- 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

Fits:
Porsche 986 Boxster S 2000-04 6-speed manual (G86.20)
Porsche 996 C2 / C4 1998-05 6-speed manual (G96.00 / G96.30 / G6.01 / G96.31)
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
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99630440100
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- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Fits:
Porsche 996 Carrera 2 / Carrera 4 1998 - 2001 (G9600, G9630)
with 6-speed manual transmission
Porsche 986 Boxster S 1998 - 2004 (G8620)
with 6-Speed manual transmission
Diagram ref no 7
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99630221300
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- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- 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

Fits:
Porsche 986 Boxster S 2000-04
Porsche 996 C2 / C4 1998-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
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99630294200
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- 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 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
For Cars With 6-Speed Manual Gearbox ONLY!
Fits:
Porsche 986 Boxster 1997>>2004
Porsche 996 Carrera 2 / 4 1998>>2001
Diagram Ref No 11
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99630204100
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- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- 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

Fits:
Porsche 986 Boxster S 2000-04
Porsche 996 C2 / C4 2000-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 8.
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99630222600
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- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
Fits:
Porsche 986 Boxster S - 1999 to 2005
Porsche 996 Carrera 2 - 1997 to 2005
Available with different gear ratios - example - 11:32 (number of teeth on each gear) - 2.91:1 (gear ratio)
11:32 - 2.91:1
10:30 - 3.00:1
9:34 - 3.77:1
8:33 - 4.125:1
Diagram ref no 1
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99630291102
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- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 GT3 2007>>
- Porsche 997 MKII GT3 2010>>
Fits:
Porsche 996 GT3 - 2003 to 2005
Porsche 997 GT3 - 2007 to 2012
Gear ratio 10:31 - 3.10:1
10:31 (number of teeth on each gear) - 3.10:1 (gear ratio)
Diagram ref no 8
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99630291171
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- Porsche 996 TURBO 2000-05
Fits:
Porsche 996 Turbo 2001-05 G96.50
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99630291170
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- 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 3.4L 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

Fits:
Porsche 986 Boxster / S 1999-04*
Porsche 996 Carrera 1998-05*
*Only for models with the six-speed manual transmission.
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996302122
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- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 997 TURBO 2007>>
- Porsche 997 GT3 2007>>
- Porsche 997 GT2 2007>>
- Porsche 997 MKII GT3 2010>>
- Porsche 997 MKII Turbo 2009>>
- Porsche 997 MKII GT2 RS 2011>>
Fits:
Porsche 964 Carrera 2/4 5-Speed Manual 1993>>1994
Porsche 993 Carrera 6-Speed Manual 1994>>1998
Porsche 996 Turbo / GT2 6-Speed Manual 2001>>2005
Porsche 996 GT3 MKI / MKII 6-Speed Manual 1999>>2005
Porsche 997.1 Turbo / GT2 MKI 6-Speed Manual 2007>>2009
Porsche 997.2 Turbo / GT2 RS MKII 6-Speed Manual 2010>>2013
Porsche 997 GT3 MKI / MKII 6-Speed Manual 2007>>2011
Diagram Ref No 54
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