Audi A8 D4 Quattro Front Axle Subframe Support Cradle Carrier 4H0399315AF

Audi A8 D4 Quattro Subframe Front Axle Carrier is a structural component from the longitudinal body frame parts and brackets group, responsible for the stable mounting of the front axle and key suspension components. This solution is designed for installation in the front part of the body, specifically for Audi models with quattro drive, ensuring proper geometry and rigidity of the running gear.

Specifications and technical data

• SKU: 4H0399315AF
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0399315AF
• Substitutable numbers: 4H0399315AF, 4H0 399 315 AF
• Location on the vehicle: Front
• Category: Frame Rails & Subframes

Purpose and Function in the Audi A8 D4 Construction

The front axle subframe / carrier in the Audi A8 D4 Quattro serves as a load-bearing element for suspension, steering, and partially drivetrain components. A properly selected front axle frame allows for:

• maintaining predictable vehicle behavior during braking and acceleration,
• stable guidance of the front wheels throughout the full range of suspension operation,
• preserving the factory geometry of the running gear in a premium class vehicle.

This component is particularly important in four-wheel-drive versions, where the loads transferred to the front of the body are higher than in front-wheel-drive constructions.

Construction and Body Fitment

The front axle frame in the Audi A8 D4 Quattro is designed as a rigid, multi-point bracket that integrates with the longitudinal members and other structural elements of the body. Thanks to this:

• it distributes loads from the suspension and steering system over a larger area of the structure,
• it limits deformation in the mounting area of the control arms and steering rack,
• it supports the steering precision characteristic of the luxury sedan segment.

Its placement on the vehicle, defined as the front, means the subframe works directly with the front suspension, steering system, and drivetrain components in quattro versions.

Benefits of Using an Original Audi Front Axle Frame

Choosing an original front axle subframe from the longitudinal body frame parts and brackets group for the Audi A8 D4 Quattro allows you to maintain the driving parameters intended by the manufacturer. Key advantages include:

• factory mounting points for suspension and steering rack, facilitating precise installation,
• maintaining compatibility with other structural elements of the front body section,
• consistency of driving characteristics with the original vehicle configuration.

This solution is particularly important for post-accident repairs, replacement of damaged load-bearing elements, or restoring the full functionality of the running gear in higher-class vehicles.

Application of Used Parts in Structural Repairs

For components such as the front axle subframe / carrier, using a used part can significantly reduce repair costs while maintaining a structure consistent with the manufacturer's design. In practice, this means:

• economical restoration of body geometry after mechanical damage,
• the possibility of replacing the entire load-bearing assembly instead of time-consuming local repairs,
• maintaining a high level of driving comfort thanks to the proper cooperation of the suspension with the body.

This approach is often chosen by workshops specializing in premium vehicles, where both quality and repair cost-effectiveness are important.

Audi Longitudinal Body Frame Parts and Brackets – Selecting the Right Components

If you also need other load-bearing elements from the Audi longitudinal body frame parts and brackets category, check the Audi longitudinal body frame parts and brackets available in our assortment to select structural components tailored to the specific version of your model.

Complementary Modifications and User Comfort

For comprehensive work on an Audi A8 D4 class car, it is also worth considering improving cabin ergonomics. You can find inspiration for interior changes, using used equipment elements, in the article Car Interior Tuning with Global Parts – Used Seats and Steering Wheels, which shows how to sensibly combine structural repairs with increased driving comfort.