Audi Q5 8R Rear Bearing Wheel Knuckle Carrier Hub Left N/S 8R0505431C

Audi Q5 8R Rear Bearing Wheel Knuckle Carrier Hub Left N/S is an original component from the Wheel bearings, hubs and bushings group, designed for installation on the rear axle on the driver's side. This solution is dedicated to Audi users who expect precise handling, suspension stability, and proper seating of the wheel hub and bearing in their vehicle.

Specifications and technical data

• SKU: 8R0505431C-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 8R0505431C
• Substitutable numbers: 8R0505431C, 8R0 505 431 C
• Location on the vehicle: Rear, Left
• Part type: Wheel Hub
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the running gear

The rear left wheel knuckle carrier hub in the Audi Q5 8R is responsible for stable wheel guidance, maintaining proper suspension geometry, and safely transferring loads from the road to the body. This component works in conjunction with control arms, the wheel bearing, the hub, and the braking system, creating a rigid and predictable mounting point for the entire wheel assembly.

The vehicle placement defined as rear – left side allows for unambiguous identification of the mounting position, which minimizes the risk of errors when selecting parts and speeds up the repair or replacement process.

Benefits of using an original Audi component

Choosing an original knuckle carrier hub for the Audi Q5 8R ensures:

• Factory fitment to the Audi Q5 8R suspension and body structure, without the need for modifications.
• Correct positioning of the mounting points for control arms, shock absorbers, and brake components, which facilitates wheel alignment.
• Consistent cooperation with the original wheel bearing and hub, reducing the risk of play and unwanted vibrations.
• Predictable vehicle behavior during braking, acceleration, and cornering.

The item in used condition is a reasonable compromise between cost and functionality, especially for post-accident repairs or when replacing a damaged wheel assembly.

Used condition vs. safety and cost-effectiveness

A used knuckle carrier hub, sourced from dismantling, allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. For many Audi users, this is a practical solution for mechanical suspension damage, where restoring the vehicle's full functionality quickly is key.

If you want to better understand how to safely use the second-hand parts market and when purchasing a used component is technically justified, it is worth reading the article on our blog Used car parts: Myths and facts you need to know, which dispels the most common doubts associated with such products.

Support for upgrading the wheel system in Audi

When replacing the rear left wheel knuckle carrier hub, there is often a need to renew the entire wheel assembly – from the bearing and hub to the mounting bushings. If you are planning a comprehensive repair or upgrade of the suspension and wheel area in your Audi and need other elements from the same group, such as additional hubs, bearings, or mounting bushings, check the available parts in the Audi wheel bearings, hubs and bushings category.

Summary of application in the Audi Q5 8R

The rear left wheel knuckle carrier hub for the Audi Q5 8R is a dedicated structural component that restores correct suspension geometry and vehicle handling stability. Its original Audi origin promotes trouble-free installation and compatibility with other rear axle components, which has a direct impact on driving comfort and user safety.