Audi A4 B8 A5 8T A6 C7 Rear Differential Diff JKR 0AR525083B WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order. Audi A4 B8 A5 8T A6 C7 Rear Differential Diff JKR is an original drivetrain component from the Differentials group, designed for rear axle installation in selected Audi models. This solution is dedicated to vehicles with a manual transmission, ensuring stable torque distribution and predictable vehicle behavior in various road conditions.

Specifications and technical data

• SKU: 0AR525083B
• Mark: Audi
• Condition: Used
• OEM Part Number: 0AR525083B
• Substitutable numbers: 0AR525083B, 0AR 525 083 B
• Location on the vehicle: Rear
• Gearbox type: Manual
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and function of the differential

The presented rear differential is structurally matched to Audi A4 B8, A5 8T, and A6 C7 models, where it is responsible for precise power transmission to the rear axle. Its task is to compensate for the difference in wheel rotational speed during straight-line driving and cornering, which translates into predictable traction, reduced tire wear, and stable vehicle handling. The component works with a manual transmission, making it the right choice for drivetrain repairs in cars where mechanical reliability and consistency with the factory configuration are a priority.

Benefits of using an original rear differential

Using an original rear differential in an Audi allows you to maintain the operating parameters specified by the vehicle manufacturer. In practice, this means:

• maintaining factory handling characteristics and directional stability,
• proper cooperation with other drivetrain components,
• appropriate load distribution during dynamic driving and engine braking,
• compatibility with safety systems such as ABS or ESP. As a part from the Differentials group, this component is particularly important for repairs related to rear axle noise, drivetrain play, or uneven tire wear.

Installation and operational characteristics

The rear differential is designed for installation in the rear of the vehicle, in place of the factory drive axle. The design intended for use with a manual transmission makes it easy to maintain the original drivetrain configuration without the need to interfere with other components. As a used part, the differential is a reasonable choice for repairing vehicles used on a daily basis, where technical correctness, compliance with the factory design, and a favorable cost-to-functionality ratio are important. This type of component is particularly useful when replacing a damaged drive axle after a mechanical failure or due to excessive gear wear.

Selecting a differential for driving style and car configuration

When replacing a rear differential in an Audi, it is worth paying attention to compatibility with the specific drivetrain version and the gear ratios used in a given model. Proper gear selection affects acceleration dynamics, engine RPM during highway driving, and overall vehicle comfort. To better understand the relationships between drive axle ratios, the transmission, and the nature of the system's operation, the guide article Dismantled drive axles and differentials – how to choose gear ratios for your driving style will be helpful, as it discusses practical aspects of differential selection, configuration examples, and the most frequently asked questions from drivers.

Ecology and cost-effectiveness of using used differentials

Choosing a used rear differential is not only a matter of economy but also a conscious approach to vehicle maintenance. Reusing original components reduces the demand for new parts production, which translates into reducing the carbon footprint and better resource utilization. You can find more on this topic in the material Sustainable automotive: How buying original used parts reduces your carbon footprint and protects the environment?, which discusses the environmental impact of dismantled parts and their advantages over many aftermarket replacements.

Related items from the Audi Differentials group

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 axle housings, pinion shafts, or complete final drives, check the available parts in the Audi Differentials category.