Description
The Audi A8 4H Quattro Cradle Subframe Front Axle Carrier is a structural component from the category of longitudinal body frame parts and brackets, designed for the vehicle’s front axle. It is responsible for stable suspension support, precise wheel guidance, and proper load transfer to the body in Audi models with quattro drive.
Specifications and technical data
- SKU: 4H0399315AE
- Mark: Audi
- Condition: Used
- OEM Part Number: 4H0399315AE
- Substitutable numbers: 4H0399315AE, 4H0 399 315 AE
- Location on the vehicle: Front
- Category: Frame Rails & Subframes
Purpose and Function in the Vehicle
The Audi A8 4H Quattro front axle cradle serves as the main support for suspension and steering system components in the front of the body. Its tasks include:
- stable support of the front axle and mounting points for control arms and other suspension components,
- maintaining wheel geometry according to manufacturer specifications, which affects handling and tire wear,
- efficient transfer of loads from the suspension to the body structure during braking, acceleration, and driving over uneven surfaces,
- increasing the rigidity of the front body section, which improves steering precision and driving comfort.
Its placement is at the front of the vehicle, making this element crucial for safety and vehicle behavior in emergency situations.
Construction and Fitment for Audi
The cradle belongs to the category of longitudinal body frame parts and brackets, meaning it integrates with the factory mounting points in the Audi body. Using the original construction ensures:
- precise fitment with the body without the need for modifications,
- maintenance of factory suspension geometry after correct installation,
- compatibility with standard suspension and steering system components used in the Audi A8 4H with quattro drive.
This solution is particularly beneficial for collision repairs and for replacing worn or deformed load-bearing elements.
Condition, Application, and Benefits of Installation
The offered part is in used condition, allowing for economical repair while maintaining the original manufacturer’s specifications. This type of cradle is suitable for situations where:
- the front axle structure has been damaged as a result of a collision or impact with an obstacle,
- geometry problems exist that cannot be corrected by suspension adjustment alone,
- a load-bearing element needs replacement to restore proper vehicle handling.
Choosing an original used cradle helps reduce costs compared to new parts, while ensuring proper fitment for the specific Audi model.
Selection by OEM Number and Technical Support
When selecting a front axle cradle for an Audi, it is particularly important to match it by OEM number and ensure compatibility with the body version and drive type. If in doubt, consult the guide that explains step-by-step how to verify parts by manufacturer markings – you will find it in the article How to Select the Right Car Part by VIN and OEM Number. This will make it easier to confirm that the offered part is suitable for your specific vehicle.
Related Products and Technical Knowledge
If you are considering whether an original part, an aftermarket replacement, or a used part would be better for your situation, the Global Parts comparison material will be helpful. It discusses in detail the differences in cost, quality, and fitment – check the article Original, Aftermarket, or Used – Which Car Parts Are Most Cost-Effective? to plan your repair consciously.
If you need other elements from the longitudinal body frame parts and brackets category dedicated to this brand, check the available Audi longitudinal body frame parts and brackets to complete all necessary structural components.





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