Audi Q7 4L 3.0 TDI Quattro Rear Axle Differential RCJ 0BP525015N WARRANTY

Listing details

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

Audi Q7 4L 3.0 TDI Quattro Rear Axle Differential RCJ is an item from the Differentials category, designed for the drivetrain in all-wheel-drive versions. This is a used, original Audi component, dedicated for use with a diesel engine and an automatic transmission, ensuring stable torque transfer to the rear axle. Thanks to its factory design, it provides a precise service solution for demanding users.

Specifications and technical data

• SKU: 0BP525015P
• Mark: Audi
• Condition: Used
• OEM Part Number: 0BP525015P
• Substitutable numbers: 0BP525015P, 0BP 525 015 P, 0BP525015N, 0BP 525 015 N
• Location on the vehicle: Rear
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Differentials

Purpose and role in the drivetrain

The presented rear differential is designed to operate in the Audi Quattro drivetrain, where it is responsible for distributing torque to the rear axle wheels. The construction, adapted for a diesel unit, ensures appropriate durability for the loads characteristic of the 3.0 TDI engine and smooth cooperation with the automatic transmission. This solution allows for maintaining proper traction, driving stability, and predictable vehicle behavior in various road conditions.

Compatibility with the Audi drivetrain

The differential is mounted in the rear part of the vehicle, integrated into the drive axle line, which enables direct power transfer from the driveshaft to the wheels. It has been developed specifically for the configuration with a diesel engine and an automatic transmission, ensuring the consistency of the entire drivetrain's operating characteristics. The properly selected rear axle ratio affects the drivetrain's refinement, acceleration dynamics, and driving comfort at higher speeds.

Benefits of using an original differential

Using an original Audi differential in the rear axle allows for maintaining the factory vehicle handling parameters and the predictable reactions of the Quattro system. In practice, this means:

• consistent operation with the existing automatic transmission,
• stable torque transfer under loads typical for a diesel engine,
• maintaining proper traction characteristics on dry, wet, and slippery surfaces.

For the user, this translates into more confident handling, better vehicle control, and a reduced risk of drivetrain malfunctions resulting from the use of random replacements.

Differential selection and technical issues

When selecting a rear differential for the Audi Q7 4L 3.0 TDI Quattro, it is crucial to match it to the specific drivetrain configuration, particularly regarding fuel type and transmission type. The correct axle ratio has a direct impact on engine RPM at a given speed, fuel consumption, and acoustic comfort inside the cabin. It is worth paying attention to compatibility with the drivetrain control system and other drivetrain components to avoid unwanted vibrations or system errors.

If you want to better understand how to choose a drive axle and differential for your driving style and car configuration, the following article will be helpful: Dismantled drive axles and differentials – how to choose ratios for your driving style.

Practical tips when buying a used differential

When choosing a used differential, it is worth paying attention to compliance with the manufacturer's markings, drive type, and the vehicle's technical parameters. A properly selected component allows for reducing repair costs while maintaining the factory characteristics of the drivetrain. For additional support in selecting used components, you can use the advice contained in the material: how to professionally choose used car parts, saving time and nerves.

Expanding the system within the same 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 additional differentials, drive axles, or related drivetrain components, check the available parts in the Audi Differentials category.