Audi A4 B8 A5 8T Steering Column Lock Control Unit Module 8K0905852D

Audi A4 B8 A5 8T Steering Column Lock Control Unit Module is a specialized component from the Steering columns group, responsible for the secure locking and unlocking of the steering column in Audi vehicles. This solution is designed for users who expect precise steering system operation and stable integration with the vehicle's electronics.

Specifications and technical data

• SKU: 8K0905852D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0905852D
• Substitutable numbers: 8K0905852D, 8K0 905 852 D, 8K0905852C
• Category: Steering Columns

Purpose and function in the steering system

The steering column lock in Audi A4 B8 and A5 8T models plays a key role in vehicle security and steering column position control. This component works with the steering column mechanism, ensuring:

• mechanical locking of the column after switching off the ignition,
• stable unlocking when starting the vehicle,
• consistent operation with the steering system and vehicle security systems.

Thanks to its proper design, the steering column lock helps maintain the correct operating geometry of the column, which translates into predictable steering behavior and comfort of use.

Benefits of using an original Audi component

Using an original solution from the Steering columns group in an Audi reduces the risk of fitment issues and communication problems with the vehicle's electronics. In practice, this means:

• perfect fit with the existing steering column in the Audi A4 B8 and A5 8T,
• maintenance of factory steering system operating parameters,
• lower risk of errors related to improper locking or unlocking of the column.

For the user, this translates into stable steering system operation and predictable vehicle behavior during daily use.

Characteristics of the used component

The offered steering column lock is a used component, which allows for an economical repair of the system while maintaining the original Audi design. This type of part is particularly attractive in situations where:

• the existing lock has suffered mechanical damage,
• there are problems with locking or unlocking the column,
• it is necessary to replace the component as part of steering system diagnostics.

Choosing a used OEM component allows you to maintain the technical integrity of the vehicle while reducing costs compared to purchasing a new subassembly.

Selection and integration with the steering system

When selecting a steering column lock for an Audi A4 B8 or A5 8T, it is crucial to match it to the specific steering column and vehicle configuration. A properly selected component:

• works with the column adjustment mechanism,
• enables correct locking in the rest position,
• ensures compatibility with the vehicle's control systems.

This makes it possible to restore the correct operation of the steering system without interfering with other interior components.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the steering system area in your Audi and need other elements from the same group, such as columns, joints, or housings, check out the available parts in the Audi steering columns category.

For a better understanding of how the entire system works and typical signs of wear, it is worth checking out our guide: Steering system and power steering – how it works and what fails?. There, you will find practical information on diagnostics, examples of parts from the steering column area, and tips helpful when planning a repair.