Audi RS6 C7 0BK Gearbox Cradle Lower Mount Support Bracket 4G0399263AC

Audi RS6 C7 0BK Gearbox Cradle Lower Mount Support Bracket is an original structural component designed for the RS6 sports version with an automatic transmission and a petrol engine. It is responsible for providing stable, precise support for the gearbox, which translates into predictable drivetrain behavior and the reduction of unwanted vibrations. Thanks to its factory geometry and fitment, this bracket helps maintain the characteristic dynamics and smooth operation of the drivetrain in the Audi RS6 C7.

Specifications and technical data

• SKU: 4G0399263AC
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0399263AC
• Substitutable numbers: 4G0399263AC, 4G0 399 263 AC
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Other Transmission & Drivetrain

Purpose and function in the drivetrain

The gearbox cradle lower mount support bracket in the Audi RS6 C7 operates in the immediate vicinity of the automatic transmission, working in conjunction with mounts and other drivetrain suspension components. Its tasks include:

• maintaining the correct position of the gearbox relative to the body and the petrol engine,
• withstanding the loads resulting from the high torque of the RS unit,
• limiting gearbox movement during rapid acceleration and gear changes,
• contributing to a rigid, predictable drivetrain characteristic.

As a result, the drivetrain maintains stability during both daily use and dynamic driving, which is particularly important in high-performance Audi RS series models.

Benefits of using an original Audi bracket

Using an original gearbox cradle lower mount support bracket in the RS6 C7 provides a number of practical technical benefits:

• Factory geometry and fitment – the component is designed for a specific drivetrain with an automatic transmission, which facilitates installation and eliminates the need for modifications.
• Consistency with other drivetrain suspension components – the bracket works with stock mounts and fasteners, maintaining the characteristics intended by the manufacturer.
• Stable gearbox guidance – reducing uncontrolled transmission movement improves gear shift quality and driving comfort.
• Seamless integration with the petrol engine drivetrain – the design accounts for the specific loads generated by the RS6 unit.

Installation and operational characteristics

The gearbox cradle lower mount support bracket in the Audi RS6 C7 is a structural element that is typically treated as a replacement part during:

• repairs following collisions involving the drivetrain or chassis,
• mechanical damage resulting from impacts to the underside of the vehicle,
• comprehensive work on the automatic transmission when restoring factory mounting rigidity is required.

Using an OEM component allows for the preservation of the original vehicle design, which is especially important in high-power cars where the precision of the gearbox mounting has a direct impact on durability and driving feel.

Application in the Audi RS6 C7 with a petrol engine and automatic transmission

The presented bracket is intended for configurations with a petrol engine and automatic transmission, typical for the C7 generation Audi RS6. This means its design has been adapted to:

• high dynamic loads characteristic of the RS version,
• the specific layout of the drivetrain in the engine bay and chassis,
• cooperation with the factory drivetrain without the need for adaptation.

For users who want to maintain the structural integrity of the vehicle and avoid fitment issues, choosing an original bracket is a technically safe and predictable solution.

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 brackets, holders, or mounts, check out the available parts in the Other Audi category.

Technical support and knowledge about RS series

When working with drivetrain components in sports models, it is worth knowing the specifics of the RS series construction. To better understand the differences between RS versions and standard Audi models – including chassis and gearbox mounting – read the article Audi RS vs other models – what is hidden under the hood and chassis?. This is a practical addition to your knowledge when selecting the right components for the RS6 C7.

For users considering the choice between a used OEM part and an aftermarket replacement, the guide 5 reasons why a used OEM part is a better choice than a replacement may also be helpful, as it simply explains when original components are a beneficial solution in terms of technical and installation aspects.