Audi A4 B9 Cradle Subframe Rear Axle Suspension 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, load transfer, and maintaining the correct geometry of the rear axle in Audi.
Specifiche e dati tecnici
- Codice articolo: 8W0505235AN
- Marca: Audi
- Condizione: Usato
- Numero di parte OEM: 8W0505235AN
- Numeri sostituibili: 8W0505235AN, 8W0 505 235 AN
- Posizione sul veicolo: Posteriore
- Categoria: Telai e sottotelai
Function and Role in Rear Axle Suspension
Rear axle cradles/subframes play a crucial role as load-bearing supports for suspension elements. The rear part of the drivetrain rests on them, which directly impacts:
- maintaining predictable vehicle behavior during acceleration, braking, and driving over uneven surfaces,
- stable guidance of the rear axle at high speeds and in corners,
- correct transfer of forces from control arms, shock absorbers, and other suspension components to the body.
A well-chosen rear axle suspension subframe helps reduce unwanted vibrations, improves ride comfort, and supports even tire wear.
Construction and Fit for Audi
The presented element belongs to the group of longitudinal body frame parts and brackets, designed specifically for Audi's structural requirements. The cradle's geometry is adapted to the factory mounting points, enabling:
- precise fit with the body without the need for modifications,
- correct positioning of suspension mounting points, crucial for subsequent wheel alignment,
- maintaining the structural rigidity of the rear of the vehicle.
Its placement on the vehicle, specified as the rear, means the cradle operates in the most heavily loaded zone of the rear axle, where resistance to lateral and longitudinal forces, as well as stability under variable load of the trunk and rear cabin, is important.
Benefits of Using an Original Bracket
Choosing an original Audi solution from the category of longitudinal body frame parts and brackets ensures a number of practical advantages:
- maintaining factory handling characteristics – the car responds to steering inputs according to the manufacturer's design,
- proper cooperation with the standard suspension and components of the braking and drivetrain systems,
- easier diagnostics and service – the mechanic works on a known, factory design, reducing assembly and adjustment time,
- structural integrity of the body – the bracket is part of the passive safety system, influencing load transfer.
This solution is particularly recommended for accident repairs, suspension overhauls, or restoring the vehicle to a near-factory condition.
Condition, Origin, and Practical Application
The offered Audi rear axle cradle is a used part from disassembly, classified as used, allowing for a reasonable cost while maintaining the original construction. This type of element is often chosen in situations where:
- mechanical damage has occurred due to a collision or impact with an obstacle,
- there are problems with rear axle geometry that cannot be corrected by adjustment alone,
- a corroded or deformed bracket needs replacement to restore structural rigidity.
Before installation, a standard inspection of the mounting surfaces and a geometry check at a professional station are recommended to fully utilize the element's potential and ensure correct suspension alignment.
Related Categories and Technical Knowledge
If you are looking for other elements from the Audi Longitudinal Body Frame Parts and Brackets category, check out our dedicated offer: Audi longitudinal body frame parts and brackets. There you will find a wide selection of structural components tailored to various models of this brand.
Are you also interested in the topic of electronics and control modules in modern premium cars? See the article on our blog, where we describe how to use parts from disassembly for servicing multimedia systems and controllers in BMW: how to care for iDrive systems and electronic modules in BMW 3 and 5 series using parts from disassembly. This is a practical dose of knowledge that helps you consciously plan car repairs and upgrades.
