Tiptronic Switch, Without Cover. Porsche 986 Boxster / 996 1998-05 - 99634783100
99634783100
Vehicle Group
- 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
- 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 996 TURBO 2000-05
Information
Tiptronic Switch, Without Cover.
Upgrade or restore your Porsche steering wheel’s manual-shift capability with this genuine Tiptronic shift-switch assembly. Designed for Porsche 911 (996 series) and Boxster models equipped with the Tiptronic or steering-wheel shift option (option code M432), this unit installs into the steering wheel (without the wheel cover) and enables manual gear-up/gear-down requests via the steering wheel.
Fits:
432 - Steering Wheel With Tiptronic Control
436 - 3-Spoke Airbag Steering Wheel
249 - Tiptronic Transmission
Diagram Ref No 5
What This Product Does:
Symptoms Of Wear Or Failure:
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99634783100
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Upgrade or restore your Porsche steering wheel’s manual-shift capability with this genuine Tiptronic shift-switch assembly. Designed for Porsche 911 (996 series) and Boxster models equipped with the Tiptronic or steering-wheel shift option (option code M432), this unit installs into the steering wheel (without the wheel cover) and enables manual gear-up/gear-down requests via the steering wheel.
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 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 996 TURBO 2000-05
432 - Steering Wheel With Tiptronic Control
436 - 3-Spoke Airbag Steering Wheel
249 - Tiptronic Transmission
Diagram Ref No 5
What This Product Does:
- The switch assembly allows the driver to manually request a gear up or gear down change via the steering wheel (or a stalk) in a car equipped with the Tiptronic or manual-mode automatic transmission.
- When pressed, the switch sends a signal to the transmission control unit (TCU) or shift logic unit, telling the system that the driver wants a gear shift (up or down). The system then executes the shift accordingly (assuming conditions are safe).
- It enables a more engaging driving experience: rather than fully automatic shifts, the driver can intervene via the steering wheel — especially useful for sporty driving or when you want more control.
- Since this switch is mounted in the steering column or wheel housing, it must integrate electrically and mechanically with the steering wheel, clock spring (slip ring), airbag wiring (if present), and shift logic.
Symptoms Of Wear Or Failure:
- Gear shift requests not registering: you press the paddle or switch and the transmission does nothing or delays shifting — the switch may not be signalling properly.
- Unexpected behavior: the shift logic may behave erratically (e.g., unintended shifts, no response) because the input is corrupted or erratic.
- Warning lights or error codes: your TCU or instrument cluster may log faults relating to gear shift input, steering wheel controls, or slip-ring/clock-spring issues.
- Physical damage or wear: the switch may feel loose in the wheel, or the button might require unusual force; wiring or connectors may be degraded; slip-ring may be worn causing intermittent signal loss.
- Having a fully functioning shift-switch on a Tiptronic or manual-mode automatic is key for driver control and engagement. If the switch fails, you lose an important ergonomic interface.
- From a safety standpoint: faults in steering-wheel mounted switch modules can impact other systems (airbag wiring, steering-column controls) or cause unexpected behaviors — replacing a faulty assembly restores correct integration.
- For vehicles being restored, modified or where the steering wheel has been replaced/modified, ensuring the correct switch unit is fitted (and the “without cover” variant matches your wheel) is important for fitment, function and resale value.
- Proper repair avoids repeated diagnostic and repair costs. A degraded switch can lead to transmission control faults, which may require expensive fault-finding.
- Ensures longevity: wiring, mechanical integrity, and switch responsiveness degrade over time; replacing it pre-emptively improves reliability.
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99634783100
99634783100
99334783100
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Price: €546.27
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Vehicle Group
- 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 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 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 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Information
Steering Wheel Contact Ring for cars with 5th or 6-speed manual transmission.
Fits:
Porsche 993 1994-98 Manual Transmission
Porsche 996 1998-05 Manual Transmission
Porsche 986 Boxster 1997-04 Manual Transmission
This product supersedes Porsche's old part numbers:
- 99665221100, 01, 02,
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99665221104
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Fits:
Porsche 993 1994-98 Manual Transmission
Porsche 996 1998-05 Manual Transmission
Porsche 986 Boxster 1997-04 Manual Transmission
This product supersedes Porsche's old part numbers:
- 99665221100, 01, 02,
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99665221104
99665221100
99665221101
99665221102
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Price: €298.40
In stock
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Vehicle Group
- 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 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 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 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Information
Steering wheel retaining frame.
For cars with 4-spoke steering wheel.
PLEASE NOTE: Porsche have changed the shape of this frame for which you might need as new steering wheel and new airbag. We also offer bush repair kit that will allow you to repair your old mount
Fits:
Porsche 986 Boxster 1997-04
Porsche 993 1994-98
Porsche 996 1998-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 27
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99334708801
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For cars with 4-spoke steering wheel.
PLEASE NOTE: Porsche have changed the shape of this frame for which you might need as new steering wheel and new airbag. We also offer bush repair kit that will allow you to repair your old mount
Fits:
Porsche 986 Boxster 1997-04
Porsche 993 1994-98
Porsche 996 1998-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 27
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99334708801
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Price: €186.02
In stock
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12 Month Warranty
Worldwide Delivery
Information
Steering wheel contact ring - for Heated Steering Wheel
Fits:
Porsche 987.2 Boxster - 2009 to 2012
Porsche 987.2 Cayman - 2009 to 2012
Porsche 997.2 turbo / GT2 - 2009 to 2012
Porsche 957 Cayenne - 2007 to 2010
For cars with Option Codes
345 - Steering wheel heating (987.2 / 997.2)
2PH - Leather steering wheel for airbag - 3 spokes, heated (Cayenne)
1MD - Leather steering wheel for airbag - 3 spokes, heated, two-colour (Cayenne)
1MW - Leather steering wheel for airbag system - 3 spokes, padded (Cayenne)
2PR - Alcantara steering wheel - 3 spokes, heated, padded (Cayenne)
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95565221122
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Fits:
Porsche 987.2 Boxster - 2009 to 2012
Porsche 987.2 Cayman - 2009 to 2012
Porsche 997.2 turbo / GT2 - 2009 to 2012
Porsche 957 Cayenne - 2007 to 2010
For cars with Option Codes
345 - Steering wheel heating (987.2 / 997.2)
2PH - Leather steering wheel for airbag - 3 spokes, heated (Cayenne)
1MD - Leather steering wheel for airbag - 3 spokes, heated, two-colour (Cayenne)
1MW - Leather steering wheel for airbag system - 3 spokes, padded (Cayenne)
2PR - Alcantara steering wheel - 3 spokes, heated, padded (Cayenne)
Diagram ref no 3
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95565221122
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Price: €119.32
Orderable
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12 Month Warranty
Worldwide Delivery