Audi TT 8J 2.0 TDI CBBB Quattro Rear Axle Differential KJU 0AV525010M 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 8J 2.0 TDI CBBB Quattro Rear Axle Differential KJU is a factory drivetrain component from the Differentials category, designed for the rear axle in all-wheel-drive versions. This used rear axle differential provides a functional solution for vehicles with a diesel engine and manual transmission, allowing for the restoration of proper Quattro drivetrain operation. It is a practical choice for users looking for original geometry and performance characteristics of the rear differential without the need to invest in a new component.

Specifications and technical data

• SKU: 0AV525010M
• Mark: Audi
• Condition: Used
• OEM Part Number: 0AV525010M
• Substitutable numbers: 0AV525010M, 0AV 525 010 M, 0BR525010A, 0BR 525 010 A
• Location on the vehicle: Rear
• Fuel type: Diesel
• Gearbox type: Manual
• Category: Differentials

Purpose and function of the rear axle

The presented rear axle differential is designed to operate in the Audi drivetrain with a diesel engine and manual transmission, where it is responsible for distributing torque to the rear axle wheels. Its placement at the rear of the vehicle allows for stable handling at higher speeds and during dynamic acceleration, which is particularly important in all-wheel-drive designs.

By maintaining the factory design concept, the differential works in harmony with other drivetrain components, ensuring predictable vehicle behavior in corners and during load changes. This solution is dedicated to drivers who expect drivetrain consistency in line with the manufacturer's original specifications.

Benefits of using an original differential

Using an original rear axle differential in an Audi TT 8J allows you to maintain:

• factory gear ratios matched to the characteristics of the diesel engine,
• consistent operation with the manual transmission,
• proper cooperation with the all-wheel-drive system,
• traction stability in varying grip conditions.

For users planning a drivetrain repair, this means the ability to restore repeatable driving parameters without the need to modify other components. A used part with its OEM design intact facilitates installation and reduces the risk of fitment issues.

Application in diesel drivetrains with manual transmission

The rear axle differential in this configuration is adapted to work with a diesel unit, which translates into appropriately selected load-bearing characteristics. In combination with a manual transmission, it creates a system where the following are essential:

• resistance to high torque typical of diesel engines,
• smooth power delivery during gear changes,
• stable vehicle behavior under long-term loads.

As a result, the differential will perform well both in daily use and in more demanding conditions, where predictable drivetrain operation and maintaining rear axle traction are important.

Professional selection and technical support

When selecting a rear axle differential for a specific drivetrain configuration, it is worth paying attention to compatibility with the engine, transmission type, and all-wheel-drive system. It may be helpful to consult technical materials describing differences in gear ratios and applications. An extended discussion on the topic can be found in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style, where practical tips regarding the selection of differentials and drive axles are presented.

Related items from the Audi Differentials category

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 differentials, drive axles, or related components, check out the available parts in the Audi Differentials category.