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Your Vehicle  //  Porsche  //  Boxster 986/987/981 (1997-2016)  //  Boxster 981 Spyder 3.8L 2016

Wheel Hub / Carrier

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DISPLAYING 1 to 11 (of 11 products)
HUBSTUDKIT80B
Product Information
Product Information
Titanium wheel bolt replacement stud set with black capless nuts.
Set of 20 studs and nuts

These studs replace the wheel bolts.

Studs are 80 mm long, with a 35 mm thread length on the wheel side. Perfect for cars with wheel spacers up to 15mm thick.

These replace factory wheel bolts for a much easier wheel installation and less wear on your wheel hubs. The bullet nose further makes for faster wheel changes, and a great look

Fits
Porsche 986 Boxster
Porsche 987 Boxster and Cayman
Porsche 996
Porsche 997
Porsche 991.1 & 991.2
Porsche 718 Boxster and Cayman
Porsche 992


These studs are made from Ti-6AL-4V alloy for extreme strength, and excellent rust
and corrosion resistance. Significantly lighter and stronger than steel, Ti6Al4V is ideal for
rotating parts. The studs are also vacuum coated for increased hardness and wear
resistance, and a sensational aspect
The bullet nose further makes for faster wheel changes, and a great look.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

HUBSTUDKIT80B
99636120300
99636120301
99636120302
99736120301
99736120302
WHT006978
99636120390
99636198000
99736198007
WHT004676A
HUBSTUDKIT80C
HUBSTUDKIT65B
HUBSTUDKIT65C
N0201121
N0201121
N0201121
LS06
LS07
HUBSTUDKIT

The product you are viewing cross references to these numbers
HUBSTUDKIT80C
Product Information
Product Information
Titanium wheel bolt replacement stud set with chrome capless nuts.
Set of 20 studs and nuts

These studs replace the wheel bolts.

Studs are 80 mm long, with a 35 mm thread length on the wheel side. Perfect for cars with wheel spacers up to 15mm thick.

These replace factory wheel bolts for a much easier wheel installation and less wear on your wheel hubs. The bullet nose further makes for faster wheel changes, and a great look

Fits
Porsche 986 Boxster
Porsche 987 Boxster and Cayman
Porsche 996
Porsche 997
Porsche 991.1 & 991.2
Porsche 718 Boxster and Cayman
Porsche 992


These studs are made from Ti-6AL-4V alloy for extreme strength, and excellent rust
and corrosion resistance. Significantly lighter and stronger than steel, Ti6Al4V is ideal for
rotating parts. The studs are also vacuum coated for increased hardness and wear
resistance, and a sensational aspect
The bullet nose further makes for faster wheel changes, and a great look.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

HUBSTUDKIT80C
99636120300
99636120301
99636120302
99736120301
99736120302
WHT006978
99636120390
99636198000
99736198007
WHT004676A
HUBSTUDKIT65B
HUBSTUDKIT65C
HUBSTUDKIT
N0201121
N0201121
N0201121
LS06
LS07

The product you are viewing cross references to these numbers
HUBSTUDKIT65B
Product Information
Product Information
Titanium wheel bolt replacement stud set with black capless nuts.
Set of 20 studs and nuts

These studs replace the wheel bolts.

Studs are 65 mm long, with a 35 mm thread length on the wheel side.         

These replace factory wheel bolts for a much easier wheel installation and less wear on your wheel hubs. The bullet nose further makes for faster wheel changes, and a great look

Fits
Porsche 986 Boxster
Porsche 987 Boxster and Cayman
Porsche 996
Porsche 997
Porsche 991.1 & 991.2
Porsche 718 Boxster and Cayman
Porsche 992


These studs are made from Ti-6AL-4V alloy for extreme strength, and excellent rust
and corrosion resistance. Significantly lighter and stronger than steel, Ti6Al4V is ideal for
rotating parts. The studs are also vacuum coated for increased hardness and wear
resistance, and a sensational aspect
The bullet nose further makes for faster wheel changes, and a great look.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

HUBSTUDKIT65B
99636120300
99636120301
99636120302
99736120301
99736120302

The product you are viewing cross references to these numbers
HUBSTUDKIT65C
Product Information
Product Information
Titanium wheel bolt replacement stud set with chrome capless nuts.
Set of 20 studs and nuts

These studs replace the wheel bolts.

Studs are 65 mm long, with a 35 mm thread length on the wheel side.         

These replace factory wheel bolts for a much easier wheel installation and less wear on your wheel hubs. The bullet nose further makes for faster wheel changes, and a great look

Fits
Porsche 986 Boxster
Porsche 987 Boxster and Cayman
Porsche 996
Porsche 997
Porsche 991.1 & 991.2
Porsche 718 Boxster and Cayman
Porsche 992


These studs are made from Ti-6AL-4V alloy for extreme strength, and excellent rust
and corrosion resistance. Significantly lighter and stronger than steel, Ti6Al4V is ideal for
rotating parts. The studs are also vacuum coated for increased hardness and wear
resistance, and a sensational aspect
The bullet nose further makes for faster wheel changes, and a great look.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

HUBSTUDKIT65C
99636120300
99636120301
99636120302
99736120301
99736120302

The product you are viewing cross references to these numbers
Special Order item
PAF007648
Product Information
Product Information
Eccentric washer for alignment
for Porsche Boxster / Cayman / 911 / Panamera / Taycan
Sold each.

Fits:
Porsche 911 (993 / 996 / 997 / 991 / 992)
Porsche Boxster (986 / 987 / 981)
Porsche Cayman (987 / 981 / 718)
Porsche Panamera (970)
Porsche Taycan

Alignment eccentric washer, also referred to as a cam adjust arm or control arm adjust cam, is used in the rear suspension of certain Porsche 911, Boxster, Cayman and Panamera models.

Position on Vehicle: Rear suspension — at the rear control arm or track rod mounting point, typically used to adjust alignment of the wheel carrier, track bar or control arm.

Applications: Ideal for when original eccentric bolts or washers are worn, alignment cannot be set correctly, or when replacing control arms/track rods and correct alignment geometry is required.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAF007648
99633121900
PAF007648

The product you are viewing cross references to these numbers
PAF007648/1
Product Information
Product Information
Eccentric washer for alignment
for Porsche Boxster / Cayman / 911 / Panamera / Taycan
Sold each.

Fits:
Porsche 911 (993 / 996 / 997 / 991 / 992)
Porsche Boxster (986 / 987 / 981)
Porsche Cayman (987 / 981 / 718)
Porsche Panamera (970)
Porsche Taycan

Alignment eccentric washer, also referred to as a cam adjust arm or control arm adjust cam, is used in the rear suspension of certain Porsche 911, Boxster, Cayman and Panamera models.

Position on Vehicle: Rear suspension — at the rear control arm or track rod mounting point, typically used to adjust alignment of the wheel carrier, track bar or control arm.

Applications: Ideal for when original eccentric bolts or washers are worn, alignment cannot be set correctly, or when replacing control arms/track rods and correct alignment geometry is required.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAF007648
99633121900
PAF007648

The product you are viewing cross references to these numbers
TEX1037
Product Information
Product Information
Over the stud wheel hub cleaner set. Textar



Cleaning kit for corroded wheel studs & adjacent hub surfaces

Removes dirt & corrosion & prepares surfaces for correct torque application
Ideal for preparing wheels, hubs and brake discs or drums for re-assembly
Suitable for use with power drill or air impact wrench

Kit contains: 

  • Stud cleaner body including velcro pad
  • Replacement velcro pads x 2 
  • Fine cleaning discs x 5
  • Coarse cleaning discs x 5






Find out about Textar product verification here
Special Order item
99734113100
Product Information
Product Information

This Porsche wheel hub retaining bolt forms part of the hub securing arrangement on the applications listed below. Also described as a tension bolt, works with the associated retaining nut in the wheel hub and bearing assembly.

Fits:

  • 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 Boxster 981 2.7L 2012–16
  • Porsche Boxster 981 S / GTS 3.4L 2012–16
  • Porsche Boxster 981 Spyder 3.8L 2016
  • 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 991.1 Carrera C2 3.4L (350 Bhp) 2012–16
  • Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012–16
  • Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012–16
  • Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012–16
  • 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
  • Porsche Cayman 2.7L 981 2013–16
  • Porsche Cayman S / GTS 3.4L 981 2013–16


Diagram Ref No 5

Check fitment for your specific vehicle (model, year, engine) before ordering.


What Is This Part?
The retaining bolt is a securing component within the wheel carrier, wheel bearing and hub assembly. It works with a separate retaining nut to hold the hub assembly together in its intended position. Its condition matters when the hub or bearing is removed, because damaged threads or seating surfaces can prevent correct reassembly. During this work, inspect the bolt alongside the nut and the surrounding components rather than assessing it in isolation.


What Does This Part Do?

  • Retains the hub assembly: Forms part of the securing arrangement for the wheel hub and bearing.
  • Works with the retaining nut: Provides the fastening connection used to secure the assembly.
  • Supports correct reassembly: Sound threads and seating surfaces allow the fixing to be installed according to the applicable workshop procedure.


Why Replace This Part?
Replacement may be needed if inspection finds damaged threads, significant corrosion, distortion or damage caused during removal. These defects can interfere with the bolt seating correctly or with the nut engaging as intended. A seized fixing should also be checked carefully after removal, especially if force or cutting tools were needed to dismantle the assembly.

Wheel bearing or hub replacement provides an opportunity to inspect this bolt, but does not by itself establish that the bolt is defective. Follow the vehicle-specific workshop instructions for fastener reuse, associated nut replacement and tightening procedure; do not assume the same requirements apply to every listed model.


When to Replace This Part?

  • Damaged threads: The retaining nut cannot engage correctly, or the threads show stripping or cross-threading.
  • Significant corrosion: Deterioration affects the fixing or its seating surfaces.
  • Visible damage: The bolt is bent, cracked or marked by removal tools in a way that affects its function.
  • Poor seating: Inspection confirms that damage to the bolt prevents correct assembly.
  • Workshop requirement: The applicable repair instructions specify renewal after removal.


Wheel play, vibration or bearing noise requires inspection of the complete hub and bearing assembly; these symptoms do not identify the retaining bolt as the cause on their own.


Where Is This Part Fitted?
Location: At the wheel hub centre, within the wheel carrier and bearing assembly, where it works with the associated retaining nut.


Product Summary

  • Product: Wheel hub retaining bolt, also described as a tension bolt.
  • Brand: Porsche.
  • Part number: 99734113100.
  • Purpose: Forms part of the wheel hub and bearing securing arrangement.
  • Repair context: Inspection or renewal during applicable wheel hub and bearing work.


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99734113100
99734113100

The product you are viewing cross references to these numbers
Special Order item
9P1407615
Product Information
Product Information
Wheel Hub. Front Axle. For cars without central lock.

front
Porsche 986 Boxster S 1997-2004

Porsche 996 C4S / Turbo / GT2 2001-2005
Porsche 996 GT3 / GT3 RS 1999-2005

Porsche 997 C2 / C4 / C2S / C4S / Turbo / GT2 / GT3 2005-2008
Porsche 997.2 C2 / C4 / C2S / C4S / Turbo / GT2 / GT3 2009-2012

Porsche 987.1 Boxster and Cayman 2005 - 2008
Porsche 987.2 Boxster and Cayman 2009 - 2012

Porsche 981 Boxster and Cayman 2012 - 2016
Porsche 981 Spyder 2016

Porsche 982 (718) Boxster and Cayman 2017>>

Porsche 991.1 Carrera / Turbo 2012 - 2016
Porsche 991.2 Carrera / Turbo 2017-2019

Porsche 992.1 Carrera 2019>>
Porsche 992 Turbo 2020>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 9



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1407615
99134160502
99134160500
98633160520
99134160501
99134160503
9P1407615
99734160501
99634160591

The product you are viewing cross references to these numbers
Special Order item
9P1407615::1
Product Information
Product Information
Wheel Hub. Rear Axle. 

rear
Porsche 986 Boxster S 1997-2004

Porsche 987.1 Boxster and Cayman 2005 - 2008
Porsche 987.2 Boxster and Cayman 2009 - 2012

Porsche 981 Boxster and Cayman 2012 - 2016
Porsche 981 Spyder 2016

Porsche 982 (718) Boxster and Cayman 2017>>


Click 'Zoom in' for large parts diagram.
Diagram ref no 9



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1407615
99134160502
99134160500
98633160520
99134160501
99134160503
9P1407615
99734160501
99634160591

The product you are viewing cross references to these numbers
TEX1039
Product Information
Product Information
Wheel hub cleaning grinder head. 

Aluminium bell with steel core and 12,5 mm (1/2“) seat for use on pneumatic impact screwdrivers. 
Corrosion between the rim and the wheel hub is removed so torque values can no longer be distorted.
Complete with 1 cleaning disc 



Find out about Textar product verification here
DISPLAYING 1 to 11 (of 11 products)
Also found on these pages
About Wheel Hub / Carrier

Porsche Wheel Hub / Wheel Carrier | Design911 Suspension Components for Strength, Alignment & Precision Handling

The wheel hub and wheel carrier are essential components in your Porsche’s suspension and axle system. Together, they form the central mounting point for the wheel, brake disc, and bearing assembly, allowing smooth rotation and precise alignment. The wheel carrier (or knuckle) connects to the suspension arms and steering system, maintaining exact geometry for stability, safety, and control.

At Design911, we offer a comprehensive range of wheel hubs and wheel carriers, designed for performance, accuracy, and durability. Manufactured from high-grade steel or lightweight aluminium alloys, each component ensures optimal strength while keeping unsprung weight low. Whether for servicing, performance tuning, or full restoration, our parts are engineered to maintain the responsive handling and precision your Porsche was built to deliver.

What Do Wheel Hubs and Wheel Carriers Do?

Wheel hubs and carriers form the structural connection between the suspension and the rotating wheel assembly.

Core Functions:
• Support and align the wheel, bearing, and brake disc assembly.
• Maintain correct suspension geometry and camber settings.
• Transmit forces from braking, acceleration, and cornering.
• Ensure smooth wheel rotation with minimal resistance.
• Provide stable mounting points for control arms and steering links.

When in good condition, these components keep your Porsche’s handling precise, ensuring balance, comfort, and safety at every speed.

Why Do Wheel Hubs and Wheel Carriers Fail or Degrade?

These parts are constantly exposed to heavy loads, vibration, and environmental elements — leading to wear or damage over time.

Common Causes of Failure Include:
• Corrosion or rust compromising structural integrity.
• Wear in bearing seating areas causing looseness.
• Cracks or distortion from impact or collision damage.
• Deformation due to over-torqued fasteners or wheel stress.
• Heat transfer from braking leading to material fatigue.

Failure can result in noise, vibration, wheel misalignment, or uneven tyre wear — all of which affect handling and safety.

Why Replace or Upgrade Your Porsche Wheel Hub / Wheel Carrier?

Replacing worn or damaged hubs and carriers restores your Porsche’s suspension geometry, wheel alignment, and overall handling precision. High-performance replacements also improve strength and reduce unsprung weight for enhanced feedback and cornering response.

Key Benefits:
• Restores correct wheel alignment and hub stability.
• Eliminates vibration, noise, and uneven tyre wear.
• Improves steering response and chassis balance.
• Available for front and rear axle configurations.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Panamera, Cayenne, and Macan models.
• Ideal for maintenance, restoration, or performance upgrades.

Design911’s Porsche wheel hubs and wheel carriers combine strength, precision, and reliability — keeping your Porsche stable, smooth, and perfectly aligned on every journey.

Highlights

• Premium Porsche wheel hubs and wheel carriers.
• Precision-machined for suspension geometry and alignment accuracy.
• Constructed from corrosion-resistant steel or lightweight alloy.
• Restores handling precision and ride stability.
• Suitable for both modern and classic Porsche models.
• Perfect for servicing, performance tuning, or full restoration.

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