Audi A4 S4 B8 Rear Differential Axle Actuator Repair Kit 0BF598080 8K0927277

The Audi A4 S4 B8 Rear Actuator Repair Kit is a specialized set designed for servicing the rear drivetrain system. Based on original Audi technology, it allows for precise component refurbishment without the need to replace the entire differential assembly. This solution is for users who expect a technically matched part and want to restore proper drive operation.

Specifications and technical data

• SKU: 0BF598080
• Mark: Audi
• Condition: Used
• OEM Part Number: 0BF598080
• Substitutable numbers: 0BF598080, 0BF 598 080, 8K0927277, 8K0 927 277
• Location on the vehicle: Rear
• Part type: Actuator
• Category: Additional Differential Parts

Purpose and Function of the Repair Kit

The Rear Actuator Repair Kit is designed for the rear differential area, where it is responsible for the correct operation of the actuator-controlled mechanism. Its application allows for:

• restoring proper actuator function in the rear drivetrain,
• reducing play and irregularities in the mechanism's operation,
• maintaining the factory operating characteristics of the drive in the Audi A4 / S4 B8 generation.

Thanks to this kit, targeted repair of a specific component is possible, which in many cases is a more rational solution than replacing the entire differential.

Benefits of Using an Original Audi Solution

Based on the vehicle manufacturer's solutions, the Rear Actuator Repair Kit ensures compatibility with the factory differential design. This translates to:

• precise fit to the mounts and geometry of the rear drivetrain,
• consistency with the factory actuator control logic,
• maintaining predictable vehicle behavior during acceleration and changes in drive load.

In practice, this means a lower risk of installation problems and stable rear-wheel drive operation after the repair is completed.

Installation Characteristics and Application

The component is intended for installation in the rear of the vehicle, in the differential area, requiring access to the drivetrain from the underside. The kit is particularly useful in situations where:

• improper operation of the rear differential actuator has been identified,
• errors related to the operation of the rear drive mechanism have occurred,
• repair of a specific sub-assembly is necessary instead of replacing the entire differential.

This approach allows for optimizing service costs while maintaining high repair quality.

Part Condition and Practical Service Tips

The product belongs to the Other Differential Parts group, meaning it is a specialized component dedicated to a specific area of the drivetrain. Before installation, it is recommended to:

• perform thorough diagnostics of the rear drivetrain system,
• verify compatibility with your Audi A4 / S4 B8 model,
• install in a service environment, adhering to the vehicle manufacturer's procedures.

Such actions allow for full utilization of the kit's potential and reduce the risk of further interventions in the rear differential.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Audi and need other parts from the same group, such as additional actuators, housings, or small components working with the differential mechanism, check the available parts in the Audi Other Differential Parts category.

Technical Support and Part Selection

When planning repairs within the vehicle's structure, it is advisable to use reliable sources of knowledge. If you are interested in how to safely use salvaged parts and what to look for when selecting them, the article Body and Chassis – Accident Repairs Using Salvaged Parts will be helpful. It discusses a practical approach to used OEM components, inspection procedures, and the most common questions related to post-collision repairs.