Audi Q5 FY 3.0 TFSI Quattro Rear Axle Differential Diff TJS 0D2500043J WARRANTY

Listing details

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

Audi Q5 FY 3.0 TFSI Quattro Rear Axle Differential Diff TJS 0D2500043J WARRANTY is an original drivetrain component designed for the vehicle's rear axle. This differential has been specifically engineered to work with the 3.0 TFSI petrol engine, Quattro all-wheel drive, and automatic transmission, ensuring stable torque distribution. It is a solution for users who expect consistent drivetrain performance, proper traction, and predictable vehicle handling.

Specifications and technical data

• SKU: 0D2500043J
• Mark: Audi
• Condition: Used
• OEM Part Number: 0D2500043J
• Substitutable numbers: 0D2500043J, 0D2 500 043 J
• Location on the vehicle: Rear
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Differentials

Purpose and role in the drivetrain

The presented rear axle differential is dedicated to the rear part of the drivetrain in the Audi Q5 FY generation with Quattro drive. Its task is to precisely distribute torque between the rear wheels, which translates into predictable vehicle handling on both dry and slippery surfaces.

The differential's design is adapted to work with the petrol unit and automatic transmission, ensuring that the drivetrain maintains consistent operating characteristics and that load changes are transferred in a smooth and controlled manner.

Compatibility with Quattro drive and automatic transmission

The differential has been developed to meet the specific requirements of the Quattro all-wheel-drive system, where maintaining the correct gear ratios and rear axle operating characteristics is crucial. In combination with the automatic transmission, it ensures:

• stable torque transfer during dynamic acceleration,
• smooth drivetrain reactions during gear changes,
• consistent operation of traction control and electronic stability systems.

As a result, the driver receives balanced handling and predictable vehicle behavior in typical road conditions, without unwanted jerking or drivetrain response delays.

Operational characteristics and advantages

The rear axle differential from this series is designed as an OEM component, which means full compatibility with the factory suspension geometry and drivetrain of the Audi Q5 FY. In practice, this translates into:

• proper fitment with rear axle mounts,
• preservation of factory operating angles for half-shafts and suspension components,
• compatibility with factory traction control and electronic stability systems.

A used differential of this class allows for rational repair cost reduction while maintaining the manufacturer's original specifications, which is particularly important when repairing advanced drivetrain systems in all-wheel-drive vehicles.

Choosing a differential for driving style and vehicle configuration

When replacing the rear axle in an Audi Q5 FY, it is crucial to match the gear ratios and differential type to the specific drivetrain version and engine characteristics. To better understand the relationships between gear ratios, road behavior, and your driving style, it is worth checking out our guide: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. The article practically discusses compatibility issues, differences in gear ratios, and typical configuration examples.

Why choose original Differentials - Audi Diffs

For components such as the rear axle and differential, it is particularly important to use solutions that comply with factory specifications. Original components from this group ensure:

• preservation of factory drivetrain operating parameters,
• better cooperation with vehicle electronics,
• greater predictability of vehicle behavior in emergency situations.

If you want to learn more about the benefits of using original, used drivetrain components, check out our material: Quality guarantee and OEM safety – why used original car parts are the best choice for your vehicle?, where the issues of safety, durability, and cost-effectiveness of such solutions are discussed in detail.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Audi and need other components from the same group, such as other axles, differentials, or complete rear drive assemblies, check out the available parts in the Differentials - Audi Diffs category.