Audi A4 B8 Rear Subframe Crossmember Suspension Rear is a structural component from the category of longitudinal body frame parts and brackets, designed for the rear of the vehicle. It is responsible for the stable mounting of suspension components, transferring loads from the axle to the body, and maintaining proper chassis geometry.
Specifications and technical data
- SKU: 8K0505235AL
- Mark: Audi
- Condition: Used
- OEM Part Number: 8K0505235AL
- Substitutable numbers: 8K0505235AL, 8K0 505 235 AL
- Location on the vehicle: Rear
- Category: Frame Rails & Subframes
Function and Role in Rear Axle Suspension
The rear crossmember, also known as the rear suspension subframe or cradle, serves as the main support for suspension elements in the Audi A4 B8. Its tasks include:
- transferring loads from the wheels and control arms to the body structure,
- maintaining stable suspension geometry during driving, braking, and acceleration,
- providing a rigid mounting point for rear axle chassis components.
Thanks to its carefully designed construction, the crossmember helps to reduce unwanted deflections and improves predictable vehicle behavior in corners.
Construction and Fitment for Audi
The rear cradle belongs to the group of longitudinal body frame parts and brackets, meaning it directly interacts with the vehicle's load-bearing structure. The component is designed specifically for the Audi A4 B8 platform, ensuring:
- factory mounting points for the rear suspension,
- maintenance of correct track widths and angles required for proper wheel alignment and handling,
- readiness for operation in the rear of the vehicle, in accordance with the original axle layout.
This precise fitment minimizes the need for modifications and simplifies installation in place of a worn or damaged part.
Practical Application and Benefits of Replacement
Replacement of the rear suspension crossmember is recommended in cases of mechanical damage, corrosion, or deformation after a collision, which can affect the car's handling. Using a correctly selected rear cradle allows for:
- restoring correct suspension geometry after accident repairs,
- increasing driving stability at higher speeds and under load,
- reducing uneven tire wear caused by incorrect wheel alignment angles.
This solution is particularly important for precise wheel alignment and restoring the Audi's factory driving characteristics.
Characteristics of a Used Component
The offered crossmember is a used structural component, which translates to significant savings compared to a new part while maintaining full functionality. Such components are often chosen for:
- accident repairs, where precise alignment with factory mounting points is crucial,
- rear suspension refurbishment in intensively used vehicles,
- workshops specializing in the Audi brand, prioritizing original structural solutions.
Selecting the correct rear crossmember helps maintain the integrity of the body structure and ensures predictable vehicle behavior over the long term.
Related Longitudinal Body Frame Parts and Brackets for Audi
If you are looking for other components from the Longitudinal Body Frame Parts and Brackets Audi category for your vehicle, check out the available longitudinal body frame parts and brackets Audi in our store to find complete structural solutions for repairs or upgrades.
Preparing Your Car for Winter and Structural Components
Before the cold season arrives, it's important to pay attention not only to wear-and-tear components but also to the condition of load-bearing suspension elements like crossmembers and brackets. Corrosion or deformation can worsen in winter conditions, which is why our guide Winter Essentials: Which Used Car Parts Are Worth Checking and Replacing Before the Frost? may be helpful. It contains practical checklists and tips for inspecting key components.
