Audi A4 B8 A5 8T Wheel Hub Spindle Knuckle Rear Left N/S 8K0505435AB

Audi A4 B8 A5 8T Wheel Hub Spindle Knuckle Rear Left N/S is an original chassis component from the Wheel bearings, hubs and bushings category, designed for installation on the rear left axle of Audi vehicles. The design of the knuckle integrated with the hub ensures stable wheel guidance, precise maintenance of suspension geometry, and safe interaction with other rear suspension components.

Specifications and technical data

• SKU: 8K0505435AB
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0505435AB
• Substitutable numbers: 8K0505435AB, 8K0 505 435 AB
• Location on the vehicle: Rear, Left
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the suspension system

The rear left wheel knuckle and hub are responsible for a rigid yet precise connection between the hub, control arms, and other suspension elements. It serves as the foundation for wheel geometry and the transfer of loads from the road surface to the vehicle body. A properly selected component in this area minimizes the risk of uneven tire wear, improves handling stability, and supports the correct operation of the braking system and safety features.

Construction and compatibility with Audi A4 B8 / A5 8T

The offered knuckle and hub have been designed specifically for the suspension architecture of the Audi A4 B8 and Audi A5 8T models, which ensures correct mounting points, appropriate rigidity, and compatibility with factory control arms, bearings, and fasteners. Precise fitment for the specific axle and side of the vehicle reduces the need for installation modifications and helps maintain factory handling parameters.

Condition, origin, and benefits of choosing a used part

This item comes from the used parts segment, which allows for a reasonable repair cost while maintaining the original design intended by the vehicle manufacturer. A used knuckle and hub from the secondary market, when properly verified, provide a functional solution for users who want to restore proper suspension operation without the need to invest in more expensive replacements. Original geometry and factory mounting points facilitate quick installation and reduce vehicle downtime at the workshop.

If you want to better understand how to safely use the secondary market and dispel doubts regarding the quality of such components, it is worth reading the article Used car parts: Myths and facts you need to know, which discusses the most common concerns related to used parts.

Importance of correct vehicle placement

The wheel hub spindle knuckle intended for the rear left side of the vehicle must be installed exactly in the designated location to maintain suspension symmetry and the correct operation of the steering and braking systems. Correct placement on the vehicle is crucial for safety, which is why selecting the right side and axle is important both when replacing a single component and during more extensive suspension refurbishment.

Comprehensive service for the Audi suspension zone

If you are planning a comprehensive repair or upgrade of the suspension zone in your Audi and need other elements from the same group, such as hubs, bearings, or bushings, check out the available parts in the Audi wheel bearings, hubs and bushings category.

To further reduce vehicle downtime at the service center and better plan repair work, you can check out the guide No more weeks of waiting – how a wide assortment in one warehouse actually shortens your car's downtime at the mechanic?, which shows how the availability of the right components affects repair lead times.

Summary of benefits of using the knuckle and hub

Audi A4 B8 A5 8T Wheel Hub Spindle Knuckle Rear Left N/S is a technically matched chassis component that allows for the restoration of correct rear axle geometry, handling stability, and even tire load distribution. Choosing an original design from the Wheel bearings, hubs and bushings group supports trouble-free installation, maintenance of factory suspension performance, and efficient, predictable vehicle operation after repair.