Audi A4 B9 2.0 TDI Suspension Leg Rear Right O/S Wheel Carrier Brake Caliper

Audi A4 B9 2.0 TDI Suspension Leg Rear Right O/S Wheel Carrier Brake Caliper is an original suspension component designed for the rear axle on the right side of the Audi A4 B9 generation model with a 2.0 TDI engine. This is a precision-engineered component from the Suspension replacement kits group, which allows for the restoration of the vehicle's correct geometry and handling stability. The used OEM part ensures factory-fitment, which facilitates installation and reduces the risk of operational issues.

Specifications and technical data

• SKU: 8W0505432Q-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0505432Q
• Substitutable numbers: 8W0505432Q, 8W0 505 432 Q, 8W0615404, 8W0 615 404, 8W0615601C, 8W0 615 601 C
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension

The described wheel carrier with hub for the rear right axle is responsible for stable wheel mounting, guiding it relative to the body, and working in conjunction with other suspension and braking system components. A properly selected element of this type:

• maintains the correct geometry of the rear axle,
• ensures predictable vehicle behavior in corners,
• reduces excessive wear of tires and cooperating components,
• influences driving comfort and safety during braking.

Thanks to its factory origin, the wheel carrier is structurally compatible with the solutions used in the Audi A4 B9 2.0 TDI, which translates into confident handling and consistent operation of the entire suspension system.

Compatibility and installation fitment

The element was designed as an original Audi part, which means it maintains the correct mounting points, proper geometry, and compatibility with standard rear suspension components. The placement on the vehicle is specified as rear – right side, therefore the part should be used exactly in this area of the vehicle.

The OEM designation and available interchangeable numbers allow for technical verification of compatibility with a specific car configuration. This is particularly important when selecting elements from the Suspension replacement kits group, where the precision of fitment has a direct impact on durability and operational safety.

Characteristics of the used OEM part

The presented wheel carrier with hub is a used aftermarket part, sourced from dismantling. Such OEM components are often chosen as a reasonable alternative to new parts because they:

• retain factory material quality and construction,
• ensure dimensional compatibility with the original suspension,
• allow for reduced repair costs while maintaining a high level of safety.

To maximize the potential of the used element, it is worth ensuring proper installation, checking cooperating components (bearings, control arms, mounts), and regular inspection of the suspension condition during operation.

Why choose this wheel carrier with hub

Choosing an original rear right wheel carrier for the Audi A4 B9 2.0 TDI is a solution that combines technical correctness with repair economy. Key benefits include:

• factory fitment to the Audi A4 B9 suspension design,
• consistent cooperation with the standard braking system and steering components,
• the ability to restore the correct rear axle geometry after mechanical damage,
• reduction of the risk of vehicle handling problems and uneven tire wear.

For workshops and individual users, this means faster installation, fewer potential modifications, and a predictable end result after suspension repair.

How to care for used suspension elements

To extend the trouble-free operation time of such a component, it is worth following the recommendations regarding the use of used parts. Practical tips on maintenance and inspection of dismantled elements – including suspension – can be found in the article How to extend the life of used car parts?. This is a helpful source of knowledge for those who want to consciously manage the technical condition of their car.

If you are planning a comprehensive repair or upgrade of the suspension area in your Audi and need other elements from the same group, such as control arms, bushings, or mounts, check the available parts in the Audi suspension replacement kits category.