Audi A5 S5 8T Rear Wheel Carrier Left N/S Wheel Hub Holder Brake Disc Plate

Audi A5 S5 8T Rear Wheel Carrier Left N/S Wheel Hub Holder Brake Disc Plate is an original suspension system component designed for the rear left axle of Audi A5 and S5 8T generation models. This is a precision-engineered component that ensures stable wheel handling, correct geometry, and predictable vehicle behavior while driving. Thanks to its factory origin from the Audi brand, full structural compatibility with the factory suspension is maintained.

Specifications and technical data

• SKU: 8K0505431AH-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0505431AH
• Substitutable numbers: 8K0505431AH, 8K0 505 431 AH
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The rear left axle wheel hub carrier is responsible for a rigid yet precise connection between the wheel, the suspension, and the vehicle body. In practice, this means:

• maintaining the correct wheel position relative to the body,
• stable handling in corners and at higher speeds,
• proper cooperation with suspension geometry adjustment elements,
• even distribution of loads from the road surface to the vehicle structure.

A properly selected rear left wheel carrier is crucial for maintaining consistent driving parameters after accident repairs, suspension component replacement, or in the event of mechanical damage in the rear axle area.

Benefits of using an original wheel hub carrier

Using an original component from the Suspension Replacement Kits group in the Audi A5 / S5 8T allows for the preservation of factory handling characteristics. The most important advantages include:

• Precise mounting fit – mounting holes and contact surfaces correspond to factory dimensions, which facilitates installation and reduces the risk of stress.
• Proper cooperation with other suspension components – control arms, shock absorbers, springs, and adjustment elements.
• Stable vehicle behavior during braking, acceleration, and rear axle load changes.
• The ability to restore correct geometry after body and mechanical repairs.

As a result, replacing a damaged wheel carrier with an original part helps reduce tire wear, improve handling precision, and minimize the risk of incorrect wheel alignment.

Mounting characteristics and application

The presented wheel hub carrier is designed for installation on the rear left side of the vehicle. This means that the construction, setting angle, and mounting points are optimized specifically for this position in the car. In practice:

• it facilitates the mechanic's work – the component fits into the factory location without the need for modifications,
• it ensures consistency with factory mounting points for control arms and shock absorbers,
• it allows for proper rear axle geometry adjustment after the replacement is completed.

Due to its specific purpose, the rear left wheel hub carrier should not be used interchangeably on the right side or in other models without explicit confirmation of compatibility.

Component condition and use in service practice

The offered wheel hub carrier comes from dismantling and is a used component, which in service practice often represents a favorable compromise between repair costs and maintaining original manufacturing quality. This type of component is particularly useful in situations involving:

• accident repairs in the rear axle area,
• mechanical damage resulting from hitting an obstacle or curb,
• the need to replace a load-bearing suspension element while maintaining factory specifications.

Choosing an original, used wheel carrier allows for maintaining the structural integrity of the suspension, which translates into predictable vehicle behavior and easier geometry adjustment after installation.

Technical support and additional materials

To better understand the role of the wheel carrier in the entire chassis system and the relationships between the hub, control arms, shock absorbers, and stabilizers, it is worth checking our guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. The article helps assess when replacing a single element is sufficient and when it is worth considering a wider range of service work.

If you are planning a comprehensive repair or upgrade of the rear axle suspension zone in your Audi and need other elements from the same group, such as wheel carriers, hubs, or complete mounting modules, check the available parts in the Audi Suspension Replacement Kits category.