Audi RS4 B8 Front Subframe Brace Crossmember Assembly Carrier Support 8K2399345E

The Audi RS4 B8 front subframe reinforcement is a structural body component responsible for the stable support of the powertrain and suspension at the front of the vehicle. The original crossmember provides a rigid base for other sub-assemblies, which translates into precise car handling and predictable behavior during dynamic driving.

Specifications and technical data

• SKU: RHD-8K2399345E
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K2399345E
• Substitutable numbers: 8K2399345E, 8K2 399 345 E
• Location on the vehicle: Front
• Category: Frame Rails & Subframes

Purpose and Function in the Vehicle

The described element belongs to the category of longitudinal body frame parts and brackets and operates in the front part of the car's structure. Its task is to create a rigid, geometrically stable reference point for the suspension and steering system, as well as to transfer loads from the road to the body.

A correctly selected and installed front bracket helps in:

• maintaining predictable vehicle behavior during braking and acceleration,
• preserving suspension geometry within the manufacturer's specifications,
• reducing unwanted structural deformations under high dynamic loads.

Construction and Technical Characteristics

The front bracket is a load-bearing element with multi-point mounting to the body, specifically designed for the requirements of high-performance models. The construction ensures adequate torsional rigidity and resistance to material fatigue, which is important during intensive use.

Key features of this component include:

• dedicated placement at the front of the vehicle, optimized for force distribution,
• compatibility with factory mounting points in the body,
• designed cooperation with the suspension and steering system of the specific model generation.

By maintaining the original geometry, the crossmember allows for correct setting of toe, camber, and caster angles, which directly impacts driving stability.

Condition, Origin, and Practical Application

The element comes from the Audi brand production line and is a used part, allowing for a combination of high-quality craftsmanship with a favorable price compared to new replacements. For many users, this is a rational solution for post-accident repairs, restoration, or vehicle upgrades, where maintaining the factory handling characteristics is crucial.

In practice, the application of this bracket is suitable for situations such as:

• repairing structural damage to the front of the body after a collision,
• restoring the rigidity of the load-bearing system in cars subjected to dynamic driving,
• tuning projects where maintaining the original structural base for suspension modifications is important.

User Benefits and Tuning Aspects

Choosing an original front subframe reinforcement is particularly important in high-performance cars, where every structural element affects handling precision. Using a component from the same model family allows for:

• maintaining factory driving characteristics after repair or modification,
• minimizing the risk of suspension geometry problems and uneven tire wear,
• preserving the structural integrity of the body with further changes in the suspension or braking area.

If you are planning an extensive car modification project using aftermarket components, it is worth checking out the guide on our blog: tuning with used parts – how to gain performance without losing a fortune. You will find practical tips on selecting components safely.

Other Longitudinal Body Frame Parts and Audi Brackets

If you are also looking for other longitudinal body frame parts and Audi brackets for your repair or tuning project, check out our dedicated category: longitudinal body frame parts and Audi brackets. This will allow you to easily select compatible structural elements within the same brand.