Wheel Bearings & Kits
Fits:
Porsche 986 Boxster 2.5L, 2.7L, 3.2L (FRONT)
Porsche 986 Boxster 2.5L, 2.7L - (REAR)
Porsche 993 1994-98 - (FRONT)
Porsche 996 C2/4 1998-05 - (FRONT)
Porsche 964 1989-94 - (FRONT)
Diagram Ref No 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905304104
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 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
Fits:
Porsche 993 1994-98
Porsche 964 (Factory Turbo Look) 1991-93
Porsche 965 (964 Turbo) 1991-93
Porsche 928 1978-95
Old Porsche part numbers:
99905305000, 99905305001, 92833158300
Diagram Ref No 5.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905305502
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Wheel bearing is a critical component of the wheel assembly, allowing the wheels to rotate smoothly and efficiently while maintaining stability and load support for the vehicle. Wheel bearings are essential for reducing friction and wear in the wheel hub and axle assembly. This bearing helps to absorb radial and axial forces while allowing for the smooth rotation of the wheel. They are key in maintaining the overall handling, performance, and safety of the car.
Fits:
Porsche 986 Boxster 2.5L, 2.7L, 3.2L (FRONT)
Porsche 986 Boxster 2.5L, 2.7L - (REAR)
Porsche 993 1994-98 - (FRONT)
Porsche 996 C2/4 1998-05 - (FRONT)
Porsche 964 1989-94 - (FRONT)
Common symptoms of a worn wheel bearing If the wheel bearing fails or is worn out, you might notice symptoms such as humming or growling noise while driving, especially at higher speeds also look out for vibration or shaking in the steering wheel or seat. Uneven tire wear or a noticeable difference in handling, with the car pulling to one side, also look out for a grinding sound from the wheel area when turning or under load.
Technical specifications Inner Diameter: 42 mm Outer Diameter: 75 mm Width: 37 mm
Please Note - It is recommended to replace the hub nut as this is a use once only item.
Please check vehicle details closely in the "You may also like" options in the Basket
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905304104
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 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
Fits:
Porsche 986 Boxster 2.5L, 2.7L, 3.2L (FRONT)
Porsche 986 Boxster 2.5L, 2.7L - (REAR)
Porsche 993 1994-98 - (FRONT)
Porsche 996 C2/4 1998-05 - (FRONT)
Porsche 964 1989-94 - (FRONT)
Please Note - It is recommended to replace the hub nut as this is a use once only item.
Please check vehicle details closely in the "You may also like" options in the Basket
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905304104
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 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
Fits:
Porsche 986 Boxster 2.5L, 2.7L, 3.2L (FRONT)
Porsche 986 Boxster 2.5L, 2.7L - (REAR)
Porsche 993 1994-98 - (FRONT)
Porsche 996 C2/4 1998-05 - (FRONT)
Porsche 964 1989-94 - (FRONT)
Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905304104
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 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
Fits:
Porsche 986 Boxster 2.5L, 2.7L, 3.2L (FRONT)
Porsche 986 Boxster 2.5L, 2.7L - (REAR)
Porsche 993 1994-98 - (FRONT)
Porsche 996 C2/4 1998-05 - (FRONT)
Porsche 964 1989-94 - (FRONT)
Common symptoms of a worn wheel bearing If the wheel bearing fails or is worn out, you might notice symptoms such as humming or growling noise while driving, especially at higher speeds also look out for vibration or shaking in the steering wheel or seat. Uneven tire wear or a noticeable difference in handling, with the car pulling to one side, also look out for a grinding sound from the wheel area when turning or under load.
Technical specifications Inner Diameter: 42 mm Outer Diameter: 75 mm Width: 37 mm
Please Note - It is recommended to replace the hub nut as this is a use once only item.
Please check vehicle details closely in the "You may also like" options in the Basket
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905304104
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 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
Fits:
Porsche 993 1994-98
Porsche 964 (Factory Turbo Look) 1991-93
Porsche 965 (964 Turbo) 1991-93
Porsche 928 1978-95
Old Porsche part numbers:
99905305000, 99905305001, 92833158300
Please Note - It is recommended to replace the hub nut as this is a use once only item.
Please check vehicle details closely in the "You may also like" options in the Basket
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905305502
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits:
Porsche 993 1994-98
Porsche 964 (Factory Turbo Look) 1991-93
Porsche 965 (964 Turbo) 1991-93
Porsche 928 1978-95
Old Porsche part numbers:
99905305000, 99905305001, 92833158300
Please Note - It is recommended to replace the hub nut as this is a use once only item.
Please check vehicle details closely in the "You may also like" options in the Basket
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905305502
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Weight: 1246 g
Outer diameter: 85 mm,
Width 1: 47 mm
Fits:
Porsche 993 1994-98
Porsche 964 (Factory Turbo Look) 1991-93
Porsche 965 (964 Turbo) 1991-93
Porsche 928 1978-95
Old Porsche part numbers:
99905305000, 99905305001, 92833158300
Diagram Ref No 5.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905305502
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Porsche Wheel Bearings & Kits | Design911 Suspension Components for Smooth Rotation, Precision & Safety
Wheel bearings are critical components within your Porsche’s suspension and axle assembly, ensuring smooth, friction-free rotation of the wheels. They support the vehicle’s weight while allowing the wheels to spin precisely and quietly at high speeds. Properly functioning bearings contribute to stability, ride comfort, and predictable handling — all essential for maintaining the performance and safety your Porsche is known for.
At Design911, we supply a complete selection of wheel bearings and bearing kits, engineered for precision fitment, strength, and longevity. Each bearing set is crafted from premium-grade materials and designed to meet the high-performance demands of both classic and modern Porsche models. Whether for routine maintenance, performance upgrades, or full restoration, our range ensures your Porsche delivers a quiet, stable, and confident ride.
What Do Wheel Bearings Do?
Wheel bearings enable the wheels to rotate smoothly around the hub while supporting vertical and lateral loads.
Core Functions:
• Allow free and precise wheel rotation with minimal friction.
• Support vehicle weight while maintaining wheel alignment.
• Reduce vibration, noise, and rolling resistance.
• Enhance cornering stability and braking performance.
• Protect suspension and hub components from excessive wear.
High-quality bearings ensure quiet operation and smooth performance, providing the secure, agile driving dynamics that Porsche drivers demand.
Why Do Wheel Bearings Fail or Degrade?
Wheel bearings operate under high load, temperature, and rotational stress — eventually leading to wear or damage.
Common Causes of Failure Include:
• Contamination from water, dirt, or road debris.
• Loss of lubrication or grease degradation.
• Corrosion or pitting of the bearing races.
• Impact damage from potholes or kerbs.
• Wear due to age or improper installation torque.
When wheel bearings fail, symptoms can include humming noises, vibration, wheel play, or uneven tyre wear — all of which reduce handling precision and driving safety.
Why Replace or Upgrade Your Porsche Wheel Bearings?
Replacing worn wheel bearings restores smooth, quiet operation and ensures stable, predictable handling. Upgraded bearing kits offer increased durability for high-performance or track-driven vehicles.
Key Benefits:
• Eliminates vibration, wheel play, and noise.
• Restores precise steering and suspension stability.
• Improves safety, grip, and cornering confidence.
• Available as complete front or rear bearing kits for Porsche models.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Cayenne, Panamera, and Macan.
• Ideal for maintenance, restorations, or high-performance upgrades.
Design911’s Porsche wheel bearings and kits are engineered for accuracy, durability, and performance — ensuring your Porsche runs as smooth and stable as the day it left the assembly line.
Highlights
• Premium Porsche wheel bearings and complete bearing kits.
• Precision-engineered for quiet, friction-free rotation.
• Restores handling, steering accuracy, and ride comfort.
• Manufactured from high-strength, wear-resistant materials.
• Suitable for both classic and modern Porsche models.
• Perfect for servicing, performance tuning, or full restorations.