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Porsche // 997 (911) MK2 2009-2012 // 997 MKII Carrera C2S 3.8L 2009-12
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Suspension Nut, M 14 X 1.5. Porsche 987.2 Boxster / Cayman 2009-12 › 99908464501
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Secure your Porsche’s front (or applicable) strut mount with this genuine OEM hexagon nut. Designed to the exact specification by Porsche — for correct thread (M14 × 1.5), correct fit, correct torque and correct mounting with the strut top mount assembly. Ideal replacement when the nut has been removed, worn, or replaced with an incorrect alternative.
Sold Each.
x2 Required Per Car.
Fits:
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
475 - "PASM" Electronic Damper Control
Diagram Ref No 9
What This Product Does:
- The suspension nut secures the strut mount at the top of the shock absorber/strut assembly (commonly where the strut rod passes through the strut mount at the top of the strut-tower).
- It ensures that the strut (and thus the spring/damper) remains firmly attached at the top mount location, holding the relative positioning of the strut to the chassis/strut tower.
- Being a correct OEM nut means correct thread, correct material/hardeness, correct torque specification and compatibility with the mount parts, lock washers or locking features.
Why Replacement Matters:
- Safety & structural integrity: A loose or improperly torqued strut top nut can allow the strut mount to move or shift, which compromises the suspension’s secure attachment to the chassis. This can lead to unwanted movement, misalignment or even failure under load.
- Ride quality & handling: The top mount of the strut affects how the suspension behaves under load. If the nut is loose or the mount isn’t held securely, you may get clunks, creaks, top plate movement, steering imprecision or increased noise. Replacing or confirming this nut ensures the mount is properly clamped.
- Part of correct service: When servicing or replacing struts, mounts, bearings or top mount assemblies, replacing the nut (often a single-use or recommended torqued fastener) is good practice. Failing to replace can leave a weak link in the suspension.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99908464501
The product you are viewing cross references to these numbers
- 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 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- 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 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
Fits Left Or Right.
Fits:
Porsche 996 1998>>2005
Porsche 996 Turbo 2001>>2005
Porsche 997 Carrera MKI 2005>>2008
Porsche 997 Carrera MKII 2009>>2012
Porsche 997 Turbo MKI 2007>>2009
Porsche 997 Turbo MKII 2010>>2013
Porsche 997 GT3 MKI / MKII 2007>>2011
Options:
- 0.5 mm
- 4.0 mm
Please Select Below
Diagram Ref No 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9963335110
The product you are viewing cross references to these numbers
- 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 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 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 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
Fits:
Porsche 993 C2 / C4 / C2S / C4S 1994-98
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 996 Turbo 2001-05
Porsche 997 MKI C2/C2S 2005-08
Porsche 997 Turbo / GT3 2007>>
Porsche 997 MKII 2009>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99333310701
The product you are viewing cross references to these numbers
- 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 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 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

Cars with Standard chassis
Porsche 996 Carrera 1998-05
Porsche 996 Turbo/ GT2 / GT3 1998-05
Porsche 997 C2 / C2S MKI & MKII 2005-12
Porsche 997 C4 / C4S MKI & MKII 2005-012
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99633310502
The product you are viewing cross references to these numbers
- 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 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 Turbo 2010-13
Fits:
For Cars with Sport Chassis (I030) or PASM (I475)
Porsche 997 MKI C2 / C2S / C4 / C4S 2005-08 COUPE / TARGA
Porsche 997 TURBO MKI 2005-08
Porsche 997 GT3 MKI 2007-2008
Porsche 997 MKII C2 / C2S / C4 /C4S 2009-2012 COUPE / TARGA
Porsche 997 MKII GTS (I011) / (I019)
Porsche 997 MKII 911 SPORT CLASSIC
(I756)
Porsche 997 TURBO MKII 2010-2013
Click 'Zoom in' for large parts diagram
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99733306101
The product you are viewing cross references to these numbers
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