Audi S3 8P TTS 8J Quattro Transfer Box Final Drive S-Tronic 0AV409053J WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order. Audi S3 8P TTS 8J Quattro Transfer Box Final Drive S-Tronic is a specialized drivetrain component designed for four-wheel-drive vehicles with a petrol engine. This transfer box comes from the Audi range, ensuring factory-standard fitment for the S-Tronic system and proper integration with other Quattro drivetrain components.

Specifications and technical data

• SKU: 0AV409053J
• Mark: Audi
• Condition: Used
• OEM Part Number: 0AV409053J
• Substitutable numbers: 0AV409053J, 0AV 409 053 J
• Fuel type: Petrol
• Part type: Transfer Case
• Category: Transfer Cases

Purpose and function in the drivetrain

The transfer box in Audi S3 8P and TTS 8J models with Quattro drive is responsible for transferring torque from the S-Tronic transmission to both axles of the vehicle. A correctly selected component of this class:

• ensures stable power distribution between the front and rear axles,
• supports the operation of traction and electronic stability control systems,
• reduces wheel slip during dynamic acceleration,
• maintains the consistent handling characteristics typical of Audi's sports versions. Thanks to its design tailored for the S-Tronic transmission, the component works in harmony with the transmission control system, maintaining smooth gear shifts and predictable drivetrain behavior on slippery surfaces.

Compatibility with petrol units

The presented transfer box is intended for vehicles with a petrol engine, which is significant for both gear ratios and load characteristics. In practice, this means:

• tuning for higher RPMs typical of petrol units,
• appropriate durability for dynamic torque changes,
• consistency with factory drivetrain control settings in Audi sports versions. Selecting a transfer box compatible with the fuel type minimizes the risk of drivetrain malfunction and premature wear of mating components.

Performance characteristics and installation

As an item in the Transfer boxes category, the product is designed for installation in place of the factory component, maintaining the original geometry of mounts and connections to the S-Tronic transmission and driveshafts. A properly selected transfer box allows you to:

• maintain the stock drivetrain line without structural modifications,
• preserve correct alignment and minimize vibrations,
• restore factory Quattro drivetrain performance parameters after repair or upgrade. The used condition means the part comes from dismantling and is intended for users seeking a service solution at a more favorable budget while maintaining the manufacturer's original specifications.

Selection by numbers and technical support

The transfer box features OEM markings and interchangeable numbers, which facilitates precise part identification and matching to the specific configuration of an Audi S3 8P or TTS 8J Quattro. Before purchasing, it is recommended to verify compatibility using part numbers and vehicle parameters (model, production year, transmission type, and drive type) to avoid installation issues. If you want to better understand how to safely choose used drivetrain components, procedures for selection by VIN/OEM, and the real cost differences between new and used parts, check out our guide: Why it is worth buying used gearboxes and engines – facts instead of myths.

Expansion and modernization of the Audi drivetrain

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Audi and need other elements from the same group, such as additional gearboxes, torque distribution components, or cooperating drive modules, check out the available parts in the Audi transfer boxes category. This approach allows for a consistent renewal of key components responsible for power transmission, which translates into stable handling, predictable traction, and a longer service life for the entire drivetrain in Audi sports models with Quattro drive.