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Porsche // Boxster 986/987/981 (1997-2016) // Boxster 987 MKII 2.9L 2009-12
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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 914 (1970-1976)
The Genuine Porsche Sun Visor Mounting Bearing, Right (Part Number: 90173132441) is an original equipment interior fitting designed for the sun visor mounting assembly of selected classic Porsche 911 and 912 Targa models.
Sold Each.
x2 Required Per Car.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 914 (1970-1976)
Diagram Ref No 3
This component provides a mounting and support point for the sun visor, helping maintain its correct position and allowing it to be adjusted when required.
The sun visors in classic Porsche vehicles are designed to reduce glare from direct sunlight, improving visibility and comfort for the driver and passenger.
To operate correctly, each visor must remain securely supported at its mounting points while allowing the appropriate movement between its stored and lowered positions.
The sun visor mounting bearing forms part of this arrangement, providing the intended support for the visor's mounting pin.
Porsche part number 90173132441 is identified in the original Porsche parts catalogue as a bearing used within the early Targa sun visor assembly.
Its position is particularly important because the original Targa installation uses a specific arrangement of inner and outer mounting bearings.
The same component may serve different mounting positions according to the particular visor and vehicle configuration.
Manufactured to Porsche's original equipment specification, this Genuine Porsche replacement is intended to match the original mounting arrangement of compatible vehicles.
Over time, sun visor mounting bearings can deteriorate because of age, repeated adjustment, vibration and prolonged exposure to sunlight and temperature changes.
The bearing may become cracked, loose or worn around the area supporting the visor pin.
A damaged mounting bearing can prevent the sun visor from remaining securely attached or cause it to move excessively during use.
In some cases, the visor may sag, sit unevenly or become detached from its mounting point.
Replacing a worn or damaged bearing with a Genuine Porsche component helps restore the original mounting arrangement and maintain reliable sun visor operation.
Ideal for classic Porsche interior restoration, Targa windscreen trim refurbishment and sun visor repairs, this Genuine Porsche Sun Visor Mounting Bearing provides a factory-style replacement for the relevant installation.
What This Product Does:
The sun visor mounting bearing supports the sun visor at its designated mounting point within the windscreen frame or surrounding interior trim.
Its primary function is to provide the correct connection between the visor mounting pin and the vehicle's mounting structure.
The bearing helps maintain the visor's position while allowing the intended movement required for use.
Its main functions include:
- Supporting the sun visor: Provides the specified mounting point for the visor assembly.
- Allowing visor adjustment: Accommodates the movement required to raise and lower the visor.
- Maintaining visor alignment: Helps the visor sit correctly against the surrounding interior trim.
- Securing the mounting pin: Supports the corresponding visor pin within its designated location.
- Reducing unwanted movement: Helps prevent excessive play at the mounting point.
- Supporting correct visor positioning: Allows the visor to be placed in the required position to reduce sunlight glare.
- Reducing rattling: Helps minimise unwanted movement caused by a loose mounting connection.
- Maintaining original interior construction: Preserves Porsche's factory-designed sun visor mounting arrangement.
- Supporting interior restoration: Allows damaged mounting hardware to be renewed without necessarily replacing the complete visor.
- Maintaining a neat interior appearance: Helps the visor remain correctly positioned when folded away.
Symptoms Of Wear Or Failure:
Sun visor mounting bearings are relatively small components, but they are subjected to repeated movement whenever the visor is adjusted.
On older Porsche vehicles, age-related deterioration can affect the bearing's ability to support the visor correctly.
Common signs of wear or failure include:
- Loose sun visor: The visor may move excessively at the mounting point.
- Sagging visor: A worn bearing may contribute to the visor hanging lower than intended.
- Visor dropping unexpectedly: Insufficient support may allow unwanted movement.
- Excessive play around the mounting pin: Wear may create looseness at the connection.
- Cracked bearing: Ageing or mechanical stress may cause visible fractures.
- Broken mounting section: The bearing may become partially or completely damaged.
- Difficulty adjusting the visor: Deformation or damaged mounting surfaces may interfere with movement.
- Uneven visor positioning: The visor may sit at an incorrect angle.
- Rattling from the windscreen area: A loose fitting may produce vibration-related noise.
- Visor partially detached: The mounting pin may no longer remain securely supported.
- Brittle or deteriorated material: Ageing may cause the bearing to break during adjustment or removal.
- Damaged fastening points: Incorrect removal or overtightening may affect the mounting connection.
- Visible wear around the visor pin: Repeated movement may enlarge or damage the supporting opening.
- Poor fitment after interior repairs: Incorrectly installed parts may prevent the visor from operating normally.
- Missing bearing: A previous repair may have left the original mounting arrangement incomplete.
Why Replacement Matters:
Replacing a damaged sun visor mounting bearing helps restore the original support and positioning of the visor.
A cracked or loose bearing may no longer hold the mounting pin correctly, allowing unwanted movement during driving.
A visor that drops unexpectedly can be distracting and may partially obstruct the driver's forward view.
Continued use with a damaged mounting component may also place unnecessary stress on the visor pin and adjoining fittings.
Installing a Genuine Porsche replacement Sun Visor Mounting Bearing helps to:
- Restore secure visor mounting: Replace a worn or damaged support component.
- Maintain correct visor alignment: Help the visor sit in its intended position.
- Support smooth adjustment: Restore the mounting arrangement needed for normal movement.
- Reduce unwanted sagging: Address looseness caused by a defective bearing.
- Prevent unexpected movement: Help the visor remain properly supported.
- Reduce rattling and vibration: Restore a secure connection at the mounting point.
- Protect neighbouring components: Reduce excessive movement that may affect the visor pin or mount.
- Improve driving comfort: Maintain the visor's ability to reduce unwanted glare.
- Restore original interior appearance: Replace a missing or deteriorated mounting component.
- Support period-correct restoration: Maintain the factory-designed classic Porsche interior.
- Avoid replacing a serviceable visor: Renew the defective mounting component separately where appropriate.
- Maintain Genuine Porsche quality: Use an original equipment replacement part.
Replacement is recommended when the bearing is cracked, broken, missing, excessively worn or unable to support the sun visor securely.
If the visor pin or another mounting point is also damaged, those components may need separate repair or replacement.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90173132441
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 Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2005>>
Porsche 996 1998-05
Porsche 997 MKI & MKII 2005>>
- 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 Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
FOR CARS WITH ILLUMINATION AROUND THE MIRROR
Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2005>>
Porsche 996 1998-05
Porsche 997 MKI & MKII 2005>>
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Fits:
Porsche 987C Cayman 2005-08
Porsche 987C Cayman 2008-12
Porsche 996 1998-05
Porsche 997.1 2005-08
Porsche 997.2 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99673134
The product you are viewing cross references to these numbers