Audi A4 B9 A5 F5 2.0 TFSI Rear Axle Differential 44:10 SNK 0B0500043G 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 B9 A5 F5 2.0 TFSI Rear Axle Differential 44:10 SNK is an original drivetrain component from the Differentials category, designed for installation on the rear axle. It ensures precise torque transfer to the wheels, stable handling, and predictable vehicle behavior during acceleration and cornering. This is a solution for users who expect consistency with the factory drivetrain characteristics in Audi A4 B9 and A5 F5 models with the 2.0 TFSI engine.

Specifications and technical data

• SKU: 0B0500043G
• Mark: Audi
• Condition: Used
• OEM Part Number: 0B0500043G
• Substitutable numbers: 0B0500043G, 0B0 500 043 G
• Location on the vehicle: Rear
• Category: Differentials

Technical specifications and 44:10 gear ratio

The presented rear differential operates with a 44:10 gear ratio, which translates into specific acceleration characteristics and engine RPM at highway speeds. This gear ratio supports dynamic yet economical use of the 2.0 TFSI unit, maintaining the factory drivetrain tuning.

The rear axle is configured to work with the Audi drivetrain, ensuring:

• consistent operation with the factory gearbox and drivetrain electronics,
• stable torque distribution to the rear wheels,
• repeatable, predictable traction in daily use.

Purpose and vehicle placement

The differential is designed for installation in the rear axle area as an integral part of the rear drive axle. Its placement at the rear of the vehicle allows for a direct connection to the half-shafts and the rest of the drivetrain, in accordance with the factory architecture of the Audi A4 B9 and A5 F5.

This design solution ensures:

• efficient power transfer to the rear wheels,
• proper cooperation with the suspension and electronic stability control systems,
• maintenance of the vehicle's proper geometry and balance.

Benefits of using an original Audi differential

Choosing a component from the Differentials group dedicated to specific Audi models reduces the risk of compatibility issues and speeds up the installation process. The original design ensures proper fitment with mounts, half-shafts, and the drive shaft, which facilitates service work and reduces vehicle downtime.

Key advantages include:

• maintaining factory drivetrain characteristics – no need for ECU or software modifications,
• consistency with traction control and stability systems,
• suitability for repairs that restore the vehicle to the manufacturer's original configuration.

Practical application and driving style matching

The rear differential with a 44:10 ratio performs well in both daily city driving and on the highway, offering a balanced compromise between dynamics, acoustic comfort, and fuel consumption. It is suitable for drivers who expect predictable drivetrain response without experimenting with non-standard gear ratios.

If you want to better understand how the axle ratio affects vehicle behavior, acceleration, and engine RPM at various speeds, check out our guide: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. The article practically explains the relationships between gear ratios, driving comfort, and component durability.

Expanding the Audi drivetrain

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

Summary

Audi A4 B9 A5 F5 2.0 TFSI Rear Axle Differential 44:10 SNK is a solution for users who want to restore full drivetrain efficiency while maintaining factory operating characteristics. The appropriate gear ratio, dedicated rear axle placement, and inclusion in the Differentials group make it a technically consistent choice for repairs and drivetrain upgrades in modern Audi models.