Audi TT 8N 3.2 BHE Quattro Transfer Box Case 02M409053AP WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

Audi TT 8N 3.2 BHE Quattro Transfer Box Case is a specialized drivetrain component designed to work with the petrol engine and automatic transmission in the quattro all-wheel-drive system. It is a solution for users who expect precise torque distribution and stable vehicle handling in demanding road conditions. Thanks to its design compliant with the manufacturer's standards, the transfer box allows for maintaining the proper operating characteristics of the drivetrain in the Audi TT 8N 3.2 BHE.

Specifications and technical data

• SKU: 02M409053AP
• Mark: Audi
• Condition: Used
• OEM Part Number: 02M409053AP
• Substitutable numbers: 02M409053AP, 02M 409 053 AP
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Transfer Case
• Category: Transfer Cases

Purpose and function in the drivetrain

The presented transfer box operates within the all-wheel-drive system, responsible for transferring torque between the vehicle's axles. In combination with the petrol unit and automatic transmission, it ensures consistent operation of the entire system, which translates into predictable vehicle behavior during acceleration, engine braking, and cornering.

A properly selected transfer box in the Audi TT 8N 3.2 BHE Quattro allows for maintaining:

• stable torque distribution between axles in typical road conditions,
• appropriate system response during load changes,
• consistent operation with the electronics controlling the automatic transmission.

Compatibility and OEM selection

The component has been designed for use in Audi vehicles, specifically in the TT 8N 3.2 BHE configuration with quattro drive and automatic transmission. The selection of a transfer box for a specific vehicle should always be verified by the OEM number and vehicle data, which minimizes the risk of incorrect fitment and installation issues.

To better understand the principles of selecting used drivetrain components, including transfer boxes, it is worth consulting an expert guide describing the facts and myths regarding remanufactured and used parts – this is discussed in detail in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

Operating characteristics with an automatic transmission

In a configuration with an automatic transmission, the transfer box must work in tandem with the gear shift control system and traction control systems. The appropriate gear ratio characteristics and internal design of the transfer box allow for:

• smooth torque transfer during gear changes,
• reduction of jerks and unwanted vibrations in the drivetrain,
• maintaining predictable operation of the quattro drive in automatic transmission modes.

As a result, the driver receives consistent feedback from the drivetrain, and the vehicle's electronic system can correctly react to changes in grip and load.

Condition, verification, and practical application

The offered transfer box comes from the used components segment, which allows for significant repair cost savings compared to new parts, while maintaining the functionality required for daily operation. Before installation, a standard workshop inspection is recommended, including an assessment of play, tightness, and the condition of mounting points, in accordance with procedures used for this type of component.

In practice, such a transfer box is most often chosen in situations of:

• mechanical damage to the existing transfer box,
• excessive play and noise in the drivetrain,
• the need to restore full functionality of the quattro drive after a failure.

Expansion and other Audi drivetrain components

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Audi and need other components from the same group, such as additional transfer boxes, gearboxes compatible with all-wheel drive, or related drivetrain modules, check the available parts in the Audi transfer boxes category.