Audi S3 8V 2.0 TFSI CJXC Quattro Transfer Box Case 0CN409053L 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 8V 2.0 TFSI CJXC Quattro Transfer Box Case is a drivetrain component designed to work with the all-wheel-drive system in the sporty S3 version. It is responsible for the precise distribution of torque between the axles, which translates into stable handling, effective traction, and predictable vehicle behavior. Thanks to its design tailored for manual transmissions, it provides a cohesive solution for drivers expecting dynamic yet controlled drivetrain performance.

Specifications and technical data

• SKU: 0CN409053L
• Mark: Audi
• Condition: Used
• OEM Part Number: 0CN409053L
• Substitutable numbers: 0CN409053L, 0CN 409 053 L, 0CN409053AE, 0CN 409 053 AE
• Gearbox type: Manual
• Category: Transfer Cases

Purpose and function in the drivetrain

The transfer box in the Audi S3 8V with the 2.0 TFSI CJXC engine and Quattro drive is a key component responsible for transferring power from the manual transmission to both vehicle axles. Its task is to ensure proper torque distribution so that the car maintains stability both during acceleration on straight sections and during dynamic cornering.

A properly selected transfer box helps maintain the consistency of the entire drivetrain, reduces unwanted vibrations, and supports even wear of drivetrain components. For the user, this means predictable car reactions, better vehicle control, and higher performance repeatability in daily use.

Construction and compatibility with manual transmissions

The presented transfer box belongs to the Transfer cases category and has been designed to work with a manual transmission in the Quattro system. The appropriate housing geometry, placement of mounting points, and gear ratio characteristics are adapted to the specifics of the Audi S3 8V sports drivetrain, which facilitates installation and integration with other system components.

This solution is particularly important in higher-power cars, where precise drive distribution has a direct impact on the durability of other components, such as half-shafts, the driveshaft, or suspension elements. Using the correct transfer box reduces the risk of overload and helps maintain the integrity of the entire drivetrain.

Benefits of using an original Audi transfer box

Choosing a transfer box dedicated to the Audi S3 8V with Quattro drive and a manual transmission brings a number of practical benefits:

• maintaining the factory handling and traction characteristics of the vehicle,
• consistent operation with the existing drivetrain and control systems,
• reducing the risk of compatibility issues during installation,
• the ability to restore proper drivetrain operation after a failure of the previous component.

For the user, this means more predictable car behavior in various road conditions, better utilization of the 2.0 TFSI engine's potential, and greater driving comfort during daily use and dynamic driving.

Characteristics of the used product

The offered transfer box is a used component, which in practice allows for a significant reduction in repair costs compared to purchasing a new part, while maintaining the original design intended by the manufacturer. This type of solution is often chosen by workshops specializing in the Audi brand and by informed users who want to keep their car in good condition on a rational budget.

Before installation, a standard workshop procedure is recommended: verifying tightness, checking mounting points, and using appropriate consumables in accordance with the vehicle manufacturer's recommendations. This allows for maximizing the potential of the part and minimizing the risk of subsequent leaks or improper drivetrain operation.

Selection, reference numbers, and expert knowledge

When selecting a transfer box for an Audi S3 8V with Quattro drive, it is crucial to compare the OEM part number and interchangeable numbers, as well as verify compatibility with the specific vehicle configuration. In practice, the most reliable method is selection by VIN or consultation with a specialized service, which helps avoid mistakes and additional installation costs.

If you want to better understand how to safely buy drivetrain components from the secondary market, including gearboxes and related components, it is worth checking out the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, selection by OEM numbers and repair cost ratios.

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 gears, drivetrain components, or cooperating torque distribution modules, check the available parts in the Audi transfer cases category.