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Your Vehicle // Porsche // Boxster 986/987/981 (1997-2016) // Boxster S 987 MKII 3.4L 2009-12
The Genuine Porsche Rear Wheel Carrier (Part Numbers: 99733111108 / 99733111208) is an original equipment rear suspension component designed for Porsche 911 (997) MKI and MKII models. Also known as a rear hub carrier or suspension knuckle, this component forms an essential part of the rear axle assembly, supporting the wheel hub and bearing while providing secure mounting points for the suspension and associated braking components.
Fits:
Porsche 997.1 C2 / C2S 2005 - 2008
Porsche 997.1 C4 / C4S 2005 - 2008
Porsche 997.1 Turbo 2007 -2010
Porsche 997.2 C2 / C2S 2009 - 2012
Porsche 997.2 C4 / C4S 2009 - 2012
Porsche 997.2 Turbo 2011 - 2013
Porsche 997 GT3 2007 - 2011
Diagram ref no 1
Manufactured to Porsche's original specifications, the rear wheel carrier provides precise fitment, structural strength and reliable performance, helping maintain correct rear suspension geometry, vehicle stability and responsive handling.
Ideal for replacing damaged, bent or worn original components during suspension repairs, accident restoration or rear axle maintenance.
What Does This Part Do? – Functions
- Wheel Hub Support: Supports the rear wheel hub and bearing assembly.
- Suspension Alignment: Helps maintain correct rear wheel positioning and geometry.
- Vehicle Stability: Supports precise handling and rear axle control.
- Load Distribution: Transfers driving, braking and cornering forces through the suspension.
- Secure Mounting: Provides attachment points for suspension and braking components.
- Original Fitment: Maintains Porsche factory suspension specifications.
Why Replace This Part?
The rear wheel carrier is subjected to significant loads during acceleration, braking and cornering. Over time, accident damage, severe road impacts or corrosion may cause deformation, cracks or damage to its mounting points. A damaged wheel carrier can affect wheel alignment, suspension geometry and vehicle handling.
Replacing it with a genuine Porsche component helps restore correct rear axle positioning, structural integrity and reliable suspension performance.
When to Replace This Part?
- Accident Damage: Cracked, bent or distorted wheel carrier.
- Suspension Misalignment: Incorrect wheel positioning caused by carrier damage.
- Damaged Mounting Points: Worn or broken suspension connections.
- Bearing Housing Damage: Damaged wheel bearing seating surfaces.
- Severe Corrosion: Deterioration affecting structural strength.
- Suspension Repairs: During rear axle restoration or collision repairs.
Where Does It Fit on the Car?
Location: Rear axle – wheel hub and suspension assembly.
The wheel carrier is positioned at the rear wheel assembly, connecting the wheel hub and bearing to the rear suspension control arms. It provides structural support for the wheel assembly while maintaining correct alignment and suspension geometry.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99733111
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 GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 3.6L / 3.8L 2010-13
