Audi A6 C6 RS6 Support Cross Member Underbody Cover Panel Rear 4F0803183

The Audi A6 C6 RS6 Rear Chassis Cross Brace is an original structural component from the Audi brand, designed for the rear chassis. Engineered as a cross brace, it stabilizes the body structure in the rear area, improving the vehicle's rigidity and steering precision, which is particularly important in dynamic versions like the RS6.

Specifications and technical data

• SKU: 4F0803183
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0803183
• Substitutable numbers: 4F0803183, 4F0 803 183
• Location on the vehicle: Rear
• Category: Other Car Parts & Accessories

Function and Application of the Rear Cross Brace

The rear chassis cross brace is responsible for transferring loads between suspension mounting points and the body's structural elements. In Audi A6 C6 and RS6 models, such a component:

• increases the torsional rigidity of the rear body section,
• stabilizes suspension performance at higher speeds,
• limits undesirable structural deflections during braking and acceleration,
• supports maintaining suspension geometry under demanding driving conditions.

Thanks to this, the rear chassis cross brace directly influences the car's predictable handling, especially in high-performance versions like the RS6.

Benefits of Using an Original Audi Component

An original cross brace dedicated to the Audi A6 C6 RS6 ensures a perfect fit with factory mounting points and compatibility with the chassis design. In practice, this means:

• no need for modifications or adapter work for mountings,
• maintaining the factory performance parameters of the rear suspension,
• consistency with other structural body elements,
• easier technical condition checks during inspections and servicing.

For sporty vehicles like the RS6, using the correct rear chassis brace helps maintain body stability during intense acceleration, load changes, and dynamic driving.

Vehicle Placement and Significance for the Chassis

This component is designed for installation in the rear chassis area, where it works with beams, suspension mounting points, and other structural components. A correctly selected and installed brace:

• limits body movement in the transverse plane,
• supports even distribution of forces acting on the rear axle,
• can contribute to reducing unwanted noises resulting from structural stress under load.

For Audi A6 C6 and RS6 owners who prioritize steering precision and vehicle stability, the proper condition of the rear cross brace is crucial for maintaining optimal driving characteristics.

Used Condition and Practical Selection Aspects

The presented component is from the group of used structural parts, allowing for economical repair or restoration of factory chassis rigidity while maintaining original specifications. When selecting such a component, it is worth paying attention to:

• compatibility with the Audi A6 C6 / RS6 body generation,
• its intended use for the rear part of the vehicle,
• consistency with other elements of the suspension system.

A correctly chosen rear cross brace can be a significant step in post-accident repairs, chassis restoration, or restoring the car's original parameters after intensive use.

Expanding Knowledge on Audi RS Chassis

If you want to better understand how elements like the rear cross brace affect the driving characteristics of sporty versions, it's worth exploring the construction analysis of RS models. A detailed discussion of the differences in engines, brakes, and chassis can be found in the article Audi RS vs. Other Models – What's Under the Hood and Chassis?.

If you are planning a comprehensive repair or upgrade of the chassis area in your Audi and need other parts from the same group, such as braces, beams, or additional supports, check the available parts in the Other Audi category.