Audi A6 A7 4G8 Q5 Engine Transmission Gearbox Support Mount Bracket 4G0399115AJ

Audi A6 A7 4G8 Q5 Gearbox Mount Bracket Holder Arm is an original part from the Gearbox and Drive Mounts group, designed for Audi vehicles equipped with an automatic transmission. It provides stable support for the drivetrain, resulting in smoother operation of the drivetrain and reduced unwanted vibrations during driving.

Specifications and technical data

• SKU: 4G0399115AJ
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0399115AJ
• Substitutable numbers: 4G0399115AJ, 4G0 399 115 AJ
• Gearbox type: Automatic
• Category: Transmission & Drivetrain Mounts

Purpose and Function of the Component

The presented gearbox mount is responsible for rigidly yet controllably attaching the automatic transmission to the vehicle's body structure. A correctly selected and installed component:

• stabilizes the position of the gearbox relative to the body,
• limits excessive movement of the drivetrain during acceleration and engine braking,
• supports the operation of the mounts and other drivetrain fixings,
• reduces the transmission of vibrations and noise to the cabin.

This ensures predictable drivetrain operation, with loads distributed evenly across the vehicle's structure, contributing to the durability of other components.

Compatibility with Automatic Transmission

The mount is designed to work with an automatic transmission, which is significant due to its different mass and operating characteristics compared to manual transmissions. The appropriate shape and mounting points allow for:

• correct transfer of loads generated by the automatic transmission,
• maintenance of the correct drivetrain geometry,
• reduction of jerks during gear changes,
• increased driving comfort in typical urban and highway conditions.

Selecting a component dedicated to a specific transmission type is crucial for the proper functioning of the entire drivetrain and minimizing the risk of premature wear of other components.

Product Characteristics and Service Application

As an Audi part, the mount retains its factory geometry and mounting points, which simplifies servicing and reduces replacement time. In practice, this means:

• precise fit to factory mounting holes,
• no need for modifications to the body or gearbox structure,
• possibility of using standard bolts and fasteners,
• consistency with other gearbox and drive mounts.

This type of component is particularly important in cases of mechanical damage (e.g., after a collision, impact with an obstacle from below) or when replacing worn mounts, leading to concerning vibrations, knocking, or changes in the drivetrain's position.

Condition and Benefits of Choosing a Used Part

The offered mount comes from the category of used original parts, allowing for a combination of reasonable cost with the preservation of factory construction. In many cases, this choice is economically advantageous, especially for repairs of older Audi models where functionality and proper fit to the existing system are prioritized.

If you are considering a broader range of work on your transmission, it is worth consulting advice on the selection and operation of automatic transmissions – practical tips can be found in the article “Used Gearbox – When is it Worth it and What You Need to Remember”, which discusses, among other things, compatibility and repair cost-effectiveness.

Expansion of Audi Gearbox Mount System

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