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Porsche // 997 (911) MK1 2005-2008 // 997 MK1 Carrera 4S 3.8L 2005-08
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- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Castle Nut M10x1
Sold each
The OE Match Castle Nut M10x1 is a replacement castellated
retaining nut for the rear camber compensator fitted to selected Porsche 356B
and 356C models.
Fits:
- Porsche 356B Super 90
- Porsche 356SC
- Porsche 356 Carrera 1600
- Porsche 356 Carrera 2
Diagram ref no 15
Its slotted design allows the nut to be secured with a split pin, helping prevent loosening and maintain a secure suspension connection.
What Does It Do?
The castle nut secures the camber compensator mounting connection.
Its castellated slots accommodate a split pin, providing mechanical retention to help prevent the nut from loosening during suspension movement.
Why Does It Fail?
Common causes include:
Corrosion and age-related deterioration Damaged or stripped threads Overtightening during installation Deformed castellated slots Damage during suspension servicingWhen Should It Be Replaced?
Replace if the nut shows corrosion, thread damage, deformation or excessive wear.
It should also be replaced if it cannot be correctly tightened and secured with the appropriate split pin.
Checks & Installation
Inspect the camber compensator mounting bolt and associated components for damage.
Fit the correct M10x1 castle nut, tighten to the Porsche workshop specification and secure using a new split pin.
Never reuse a damaged nut or substitute an incorrect thread size.
Key Features
OE Match replacement castle nut Porsche reference 90007900303 M10x1 fine-thread specification Castellated design for split-pin retention Suitable for selected Porsche 356B and 356C models Designed for camber compensator applications Ideal for suspension servicing and restorationPorsche 356B / 356C Camber Compensator Nuts & Suspension Fasteners
The rear camber compensator is an important suspension component fitted to selected Porsche 356B and 356C models, helping control rear suspension behaviour.
Correct fastening components are essential for maintaining secure camber compensator mounting connections.
The OE Match Castle Nut M10x1, part number 90007900303, provides a replacement for worn or damaged retaining nuts on compatible Porsche 356B Super 90, 356SC and Carrera models.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90007900303
The product you are viewing cross references to these numbers
- 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 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Sold as a set with (2) bushings included per kit to complete a single car.
Type: Racing / Motorsport
Fits:
Porsche 996 C2 / C4 / C4S 2002-2005 TIPTRONIC only
Porsche 996 Turbo 2001-2005 MANUAL & TIPTRONIC
Porsche 996 GT3 MKI & MKII 2000-2005 MANUAL only
Porsche 997 C2 / C4 / C2S / C4S TIPTRONIC only
Porsche 997 Turbo MKI 2006-2009 MANUAL & TIPTRONIC
Porsche 997 Turbo MKII 2010-2013 MANUAL only
Porsche 997 GT3 MKI & MKII 2007-2013 MANUAL only
HD transmission mounts replace your OEM transmission carrier bushings with our 25% stiffer bushings**. These units install the same as factory bushings and will eliminate clunks and driveline slop often associated with original rubber units. These high quality units feature aluminum center bushings and splined outer races filled with harder durometer rubber for perfect fitment and long service life. A perfect answer for those who want less driveline play but don't want harshness associated with semi solid and solid mounts.
Fits inside Porsche OE part 99737503303, or 99637503303
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99737503303
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 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
Fits 996 & 997 vehicles with the twin mounting bracket (Replacement for Porsche parts number 99737503303) at the end of the gearbox.
Fits:
Porsche 996 / 997 all 3.6 & 3.8 Tiptronic models, Turbo models Manual & Tiptronic, GT2 & GT3.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-531
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 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
Fits 996 & 997 vehicles with the twin mounting bracket (Replacement for Porsche parts number 99737503303) at the end of the gearbox.
Fits:
Porsche 996 / 997 all 3.6 & 3.8 Tiptronic models, Turbo models Manual & Tiptronic, GT2 & GT3
POWERFLEX Black Series bushes are manufactured using our Black 95 Shore A compound to provide maximum control of chassis geometry.
They are designed for the Track, ready to Race and are engineered to be the best.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-531BLK
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
One complete bush per pack
OEM Part Number: 99737525500
Fits:
Porsche 997 Carrera 2 / Carrera 4 2005-08 manual with a single gearbox bush in the end casing
Except for Turbo GT2 & GT3 models which use PFR57-531.
Does not fit Generation 2 997 models.
Replacing your rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-532
The product you are viewing cross references to these numbers