Audi A6 C7 A7 4G8 A8 D4 Gearbox Support Mount Holder 4G0399291 4G0399115G

The Audi A6 C7 A7 4G8 A8 D4 Gearbox Support Mount Holder is an original part from the Gearbox and Drive Mounts group, designed for Audi's premium models. This used OEM part ensures a factory fit, stable gearbox support, and predictable drivetrain performance in everyday use.

Specifications and technical data

• SKU: 4G0399115G
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0399115G
• Substitutable numbers: 4G0399115G, 4G0 399 115 G, 4G0399291
• Category: Transmission & Drivetrain Mounts

Purpose and Technical Function

The presented gearbox support mount bracket has been specifically designed for the chassis construction of the Audi A6 C7, A7 4G8, and A8 D4. Its function is to provide rigid and stable support for the gearbox, while simultaneously controlling the damping of vibrations transmitted to the body. Appropriately selected geometry and mounting points allow for maintaining the correct position of the drivetrain assembly relative to the body and drive axles.

Thanks to the use of an original bracket, the drivetrain system operates under conditions intended by the manufacturer, which promotes even load distribution on the joints, driveshafts, and the gearbox itself. This, in turn, translates to more predictable vehicle handling and a reduction in unwanted vibrations and noise within the cabin.

Advantages of Using an Original Mount

Choosing a factory gearbox mount bracket for your Audi offers a range of practical benefits for installation and operation:

• Factory fit to mounting points on the body and gearbox, with no modifications required.
• Consistency with the manufacturer's design principles regarding rigidity and vibration damping.
• Reduced risk of accelerated wear on cooperating components (mounts, driveshafts, joints).
• Stable positioning of the drivetrain during acceleration, engine braking, and load changes.

A used OEM part represents a sensible compromise between cost and quality – you retain the original drivetrain performance characteristics while optimizing your repair or upgrade budget.

Selection by Numbers and Compatibility

This bracket belongs to a group of parts where compatibility with the specific body version, gearbox, and drivetrain system is crucial. When selecting, it is advisable to use OEM designations and interchangeable part numbers to ensure the mount is fully compatible with your particular Audi model. If in doubt, it is recommended to compare the geometry and mounting points with the currently installed part.

If you wish to deepen your knowledge on selecting drivetrain components by catalog numbers and VIN, and learn about the economic aspects of using used parts, consult the expert guide: Why Buy Used Gearboxes and Engines – Facts Instead of Myths.

Condition, Service Application, and Workshop Practice

The offered bracket is a used part from a dismantled vehicle and is intended for reinstallation in Audi vehicles experiencing symptoms of excessive vibrations, knocking during startup or gear changes, or following collisions and body-mechanical repairs in the underbody area. Replacing the gearbox mount is often part of a comprehensive drivetrain service, performed concurrently with checks of engine mounts, driveshafts, and suspension components.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Audi and require other parts from the same group, such as additional brackets, supports, or mountings, check the available parts in the category Audi Gearbox and Drive Mounts.

Summary

The Audi A6 C7 A7 4G8 A8 D4 Gearbox Support Mount Holder is a practical service solution for Audi owners and workshops specializing in the brand. Its original design from the Gearbox and Drive Mounts group allows for restoring proper gearbox support, reducing vibrations, and maintaining the factory drivetrain performance characteristics. It is a conscious choice for those who expect predictable installation and stable operating parameters at a reasonable cost.