Audi A6 C6 Rear Axle Suspension Support Mount Bracket Left N/S 4F0505220B

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A6 C6 Rear Axle Suspension Support Mount Bracket Left N/S is an original structural body component designed for the precise support and guidance of the rear axle on the driver's side. Thanks to its factory geometry and perfect fit for the A6 C6 platform, this component from the Longitudinal body frame parts and brackets group ensures the maintenance of proper body rigidity and stable suspension operation during daily use.

Specifications and technical data

• SKU: 4F0505220B
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0505220B
• Substitutable numbers: 4F0505220B, 4F0 505 220 B
• Location on the vehicle: Rear, Left
• Category: Frame Rails & Subframes

Purpose and function in the Audi A6 C6 design

The described bracket is a load-bearing element operating in the rear part of the body on the left side, within the rear axle suspension mounting zone. It is responsible for:

• stable support of the rear suspension mounting points,
• transferring loads from the control arms and axle beam to the body structure,
• maintaining the correct wheel geometry of the rear axle,
• limiting unwanted movement during braking and acceleration.

By maintaining factory mounting points, the bracket allows for the correct adjustment of wheel alignment and camber, which translates into predictable vehicle handling and even tire wear.

Construction, fitment, and installation

The bracket belongs to the group of structural body components designed by Audi as part of the rear axle load-bearing system. The construction is optimized for:

• torsional rigidity in the suspension mounting area,
• resistance to fatigue loads resulting from suspension operation,
• precise fitment with adjacent frame and body components.

Its location in the rear zone, on the left side of the vehicle, makes it easy for technicians to identify the correct mounting point and reduces the risk of errors when selecting parts. The factory geometry of the bracket allows for installation without the need for structural modifications, while maintaining the original Audi engineering concept.

Benefits of using an original bracket

Using an original rear suspension bracket in an Audi A6 C6 provides a number of practical service and operational benefits:

• maintaining the design rigidity of the body in the rear axle zone,
• proper transfer of forces from the suspension to the vehicle structure,
• easier suspension geometry adjustment after body and mechanical repairs,
• consistency with other Audi load-bearing system components.

The element in used condition is a good solution for post-accident repairs or restoring full suspension efficiency when it is crucial to maintain the original construction while optimizing costs.

Part selection and technical support

When selecting a rear suspension bracket for an Audi A6 C6, it is worth verifying compatibility with the specific body version and rear axle configuration. It is helpful to compare the shape, mounting points, and placement on the vehicle with the removed part. In case of doubt, it is recommended to consult a mechanic or bodywork specialist specializing in the Audi brand to ensure proper fitment to the existing body structure.

If you are planning a comprehensive repair or upgrade of the rear body load-bearing zone in your Audi and need other components from the same group, such as additional brackets, longitudinal reinforcements, or suspension mounting elements, check the available parts in the Audi longitudinal body frame parts and brackets category.

Repair cost optimization and additional materials

When planning structural and suspension repairs in an Audi A6 C6, work on the body is often combined with drivetrain service. In such cases, a guide on diagnostics and selection of drivetrain components may be helpful – especially when considering the use of used parts. More practical tips can be found in the article Clutch and dual-mass flywheel – diagnostics and selection of drivetrain parts, which facilitates the planning of comprehensive repairs while taking into account real service costs.