Audi A3 S3 8V 2.0 TDI Quattro Rear Axle Differential TEQ 0CQ525010N WARRANTY

Listing details

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

Audi A3 S3 8V 2.0 TDI Quattro Rear Axle Differential TEQ is a factory-original drivetrain component designed for installation on the rear axle of vehicles equipped with the quattro all-wheel-drive system. This component from the Differentials category ensures proper torque distribution between the rear wheels, supporting stability, traction, and predictable vehicle handling. Thanks to its original Audi design, it provides a solid foundation for repairing or restoring the full performance of your vehicle's drivetrain.

Specifications and technical data

• SKU: 0CQ525010N
• Mark: Audi
• Condition: Used
• OEM Part Number: 0CQ525010N
• Substitutable numbers: 0CQ525010N, 0CQ 525 010 N
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function in the drivetrain

The described rear axle differential is a component designed for installation in the rear of the vehicle, where it is responsible for the precise transfer of power from the driveshaft to the wheels. In Audi A3 and S3 8V vehicles with a 2.0 TDI engine and quattro all-wheel drive, the rear differential works in conjunction with other drivetrain components, ensuring:

• proper torque distribution between the left and right rear wheels,
• driving stability during acceleration and cornering,
• improved traction on surfaces with varying grip levels.

Thanks to its construction compliant with manufacturer standards, the differential maintains the operating parameters intended for the quattro system, which is crucial for safety and predictable vehicle handling.

Construction and compatibility with Audi A3 / S3 8V 2.0 TDI Quattro

The TEQ rear differential has been designed specifically for the Audi A3 / S3 8V platform with a 2.0 TDI engine and all-wheel drive. This means that:

• the mounting geometry is matched to the factory chassis mounting points,
• the housing design is compatible with the stock rear suspension,
• the gear ratio parameters are consistent with the drivetrain characteristics specified by Audi.

Such compatibility allows this differential to be treated as a plug-and-play solution within the given model configuration, without the need for modifications to the vehicle's structural components.

Condition, origin, and practical application

The offered differential is sourced from vehicle dismantling and is sold as a used part, which allows for an economical repair of the drivetrain while maintaining the manufacturer's original specifications. This type of component is particularly useful when:

• mechanical damage or wear of the existing rear differential has occurred,
• disturbing noises are coming from the rear of the drivetrain,
• a complete differential replacement is necessary instead of a costly refurbishment.

Choosing an original Audi differential from the secondary market allows you to maintain the structural integrity of the drivetrain, which is important for both durability and the vehicle's future resale value.

Benefits of using an original rear differential

By installing an original Audi rear differential in your A3 or S3 8V 2.0 TDI Quattro, you gain:

• compliance with factory drivetrain operating parameters,
• certainty of fitment with stock suspension components and axle shafts,
• consistent operation with other quattro drivetrain components.

For users expecting predictable vehicle behavior and driving characteristics consistent with the manufacturer's design, using an original differential is a technically sound and long-term beneficial solution.

Additional technical information and component selection

When selecting a rear differential for a specific Audi A3 or S3 8V 2.0 TDI Quattro, it is crucial to pay attention to compatibility with the drivetrain configuration and gear ratio parameters. Proper selection has a direct impact on:

• the absence of stress in the drivetrain system,
• correct operation with the transmission and front-wheel drive,
• acoustic comfort and the overall refinement of the system.

To better understand the principles of selecting drive axles and differentials for your driving style and vehicle configuration, it is worth reading our guide: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. You will find practical tips regarding gear ratios, compatibility, and the operation of used components there.

If you are planning a comprehensive repair or upgrade of your Audi's drivetrain and need other elements from the same group, such as additional differentials, axles, or related components, check out the available parts in the Audi Differentials category.