The Audi A6 S6 C7 A7 4G8 Quattro Rear Suspension Crossmember Subframe is a component from the category of longitudinal body frame parts and brackets, designed for the rear axle of the vehicle. This structure serves as a base for mounting suspension elements, influencing handling stability, wheel geometry, and load transfer in Audi quattro vehicles.
Specifications and technical data
- SKU: 4G0505235Q
- Mark: Audi
- Condition: Used
- OEM Part Number: 4G0505235Q
- Substitutable numbers: 4G0505235Q, 4G0 505 235 Q
- Location on the vehicle: Rear
- Category: Frame Rails & Subframes
Purpose and Function in the Vehicle
The rear suspension crossmember/subframe acts as a load-bearing structural element of the rear body. It supports key suspension components, and its geometry and rigidity directly impact:
- maintaining correct rear axle wheel geometry in Audi A6, S6, and A7 C7 / 4G8 generations,
- driving stability at higher speeds and during braking,
- even load transfer from the suspension to the body,
- the operation of the quattro drivetrain in terms of torque transfer to the rear axle.
Its placement on the vehicle is specified as the rear, clearly indicating its application in the rear part of the car's structure.
Construction and Design Advantages
The rear suspension crossmember in higher-class Audi models is designed as a rigid, spatial bracket that connects the mounting points of the control arms, drivetrain components, and the body. This ensures:
- reduced deformation under load, contributing to predictable vehicle behavior,
- stable mounting points for multi-link suspension elements,
- easier servicing and removal of individual rear axle components.
This element belongs to the group of longitudinal body frame parts and brackets, meaning it is an integral part of the load-bearing structure, not just suspension hardware.
Benefits of Using an Original Audi Crossmember
Choosing an original Audi rear suspension crossmember offers a range of practical installation and operational benefits:
- factory mounting points – compatible with standard control arms, bushings, and quattro drive components,
- dimensional accuracy – no need for modifications, drilling, or adjustments,
- preservation of factory handling characteristics – the car maintains proper responses to steering, braking, and load,
- easier geometry control – precise alignment of toe and camber angles is possible after installation.
The product is marked as used, which helps reduce repair costs while maintaining original construction and compatibility with factory Audi solutions.
Practical Application and Installation Tips
The rear suspension crossmember is particularly useful for repairs after collisions, mechanical damage, or corrosion of load-bearing elements. Replacing this component is recommended when:
- structural deformation is detected after an impact to the rear of the vehicle or a curb,
- problems with geometry alignment occur despite functional control arms and bushings,
- cracks or excessive corrosion are visible in the suspension mounting areas.
During installation, it is recommended to use the factory body support points and to check all mounting bushings and bolts to fully utilize the rigidity and stability of the newly installed crossmember.
Audi Longitudinal Body Frame Parts and Brackets
If you are looking for other elements from the Audi longitudinal body frame parts and brackets category, check out the available Audi longitudinal body frame parts and brackets in our store to select the appropriate structural components for your model.
How to Optimize Repair Costs with Used Parts
Using used structural components, such as a rear suspension crossmember, is an effective way to reduce service costs while maintaining an appropriate level of quality. Car owners interested in a broader approach to saving on parts are encouraged to read the article Volkswagen Repairs on a Shoestring? Discover How to Save on Genuine Car Parts, which describes practical strategies for utilizing the used parts market.
