Audi RS6 C7 4.0 TFSI CRDB Engine Mount Bracket Holder Left N/S 4G0399059G

The Left Engine Mount Bracket for Audi RS6 C7 4.0 TFSI CRDB is an original structural component designed for precise support of the engine unit on the driver's side. Thanks to its factory geometry and fit for the specific RS6 C7 drivetrain, this used part helps maintain proper engine mount rigidity and stable load transfer under demanding operating conditions. It is a practical solution for users who want to preserve the stock performance characteristics of the drivetrain without altering the body structure.

Specifications and technical data

• SKU: 4G0399059G
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0399059G
• Substitutable numbers: 4G0399059G, 4G0 399 059 G
• Location on the vehicle: Left
• Category: Other Exterior Parts & Accessories

Purpose and Function in the Drivetrain

The left-side engine mount bracket is responsible for the stable connection of the engine unit to the body, working in conjunction with the engine mount bushing and other suspension components of the drivetrain. In the Audi RS6 C7 4.0 TFSI CRDB, this is particularly important due to the high torque and dynamic nature of the engine's operation, which generates significant torsional and longitudinal loads.

A properly selected, original bracket:

• ensures the correct positioning of the engine relative to the body and drivetrain,
• limits undesirable movement of the engine unit during acceleration and engine braking,
• supports the proper function of engine mount bushings and associated components,
• helps maintain the correct geometry of the driveshafts, exhaust system, and engine ancillaries.

Construction and Fitment for Audi RS6 C7 4.0 TFSI CRDB

The engine mount bracket has been specifically designed for the C7 body architecture and the 4.0 TFSI CRDB drivetrain, ensuring a precise fit with factory mounting points. Its placement on the left side of the vehicle guarantees compatibility with the stock subframe, exhaust system, and engine ancillaries characteristic of the RS version.

The original Audi construction allows for:

• installation in place of the factory component without the need for modifications,
• preservation of the connection rigidity intended by the manufacturer,
• proper cooperation with stock bolts and the engine mount bushing,
• compliance with service documentation and installation procedures.

Condition, Origin, and Benefits of Using a Used Part

The offered bracket is an original, used Audi part, sourced from disassembly. This type of structural component does not contain wear parts, so with proper visual and installation verification, it can be successfully reused in the vehicle. Choosing a verified salvaged part helps reduce repair costs while maintaining factory specifications and compatibility with other components.

For high-performance vehicles like the RS6 C7, using an original bracket instead of aftermarket alternatives of uncertain quality helps avoid issues with incorrect engine alignment, excessive vibrations, or accelerated wear of other drivetrain components.

Professional Installation and Service Application

Due to the importance of this component for the safety and durability of the drivetrain, installation by an experienced service center specializing in the Audi brand, particularly RS models, is recommended. Proper tightening of bolted connections, checking cooperation with the engine mount bushing, and verifying the drivetrain geometry are crucial for achieving stable operation of the 4.0 TFSI CRDB unit.

The bracket is suitable for both standard replacement of a damaged part and for larger service jobs involving engine removal, ancillary repairs, or engine unit upgrades in the Audi RS6 C7.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other parts from the same group, such as additional brackets, hangers, or engine unit mounts, check the available parts in the Other Audi category.

To better understand the specific construction of RS versions and the differences in the drivetrain compared to standard models, it is worth reading the article Audi RS vs. Other Models – What's Under the Hood and Chassis?, which discusses, among other things, the characteristics of engines, brakes, and chassis in sporty Audi variants.