Audi A4 B7 3.2 FSI Quattro Manual Rear Differential 35/8 HUN 08V500043 WARRANTY

Listing details

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

The Audi A4 B7 3.2 FSI Quattro Manual Rear Differential 35/8 HUN is a factory original all-wheel-drive rear differential designed for the gasoline version with a manual transmission. This is a solution for drivers who want to restore the proper operation of their drivetrain and maintain the original driving characteristics of their Audi A4 B7. The part comes from a dismantled vehicle, allowing for the combination of OEM functionality with an attractive price.

Specifications and technical data

• SKU: 08V500043
• Mark: Audi
• Condition: Used
• OEM Part Number: 08V500043
• Substitutable numbers: 08V500043, 08V 500 043
• Location on the vehicle: Rear
• Fuel type: Petrol
• Gearbox type: Manual
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and Compatibility

The presented rear differential has been designed for Audi's drivetrain systems with a gasoline engine and Quattro all-wheel drive, working with a manual gearbox. The construction is adapted for installation on the rear axle, ensuring proper torque distribution and stability during acceleration, engine braking, and cornering.

By maintaining the factory 35/8 gear ratio configuration, the differential allows for the preservation of stock performance, engine RPM at a given speed, and predictable all-wheel-drive behavior. This is particularly important for dynamic driving, where the consistency of the drivetrain's operation affects traction and safety.

Technical Characteristics of the Rear Differential

The rear differential from this series is a component of the mechanical drivetrain responsible for:

• transferring torque from the driveshaft to the rear half-shafts,
• compensating for the difference in rotational speed of the wheels during cornering,
• maintaining the correct gear ratio in relation to the gearbox and drive axle.

The 35/8 gear ratio configuration is matched to the 3.2 FSI engine and Quattro drive, which ensures consistency with the factory drivetrain tuning. This eliminates the need for intervention in the control electronics or other drivetrain components, provided that the remaining components remain in their original specification.

Application in the Quattro Drivetrain

In Audi vehicles with Quattro all-wheel drive, a correctly selected rear differential is crucial for:

• even distribution of driving force between the front and rear axles,
• stability at high speeds,
• traction on surfaces with variable grip,
• reducing excessive wear on tires and drivetrain components.

Replacing a worn or damaged differential with an original part from a dismantled vehicle allows for the restoration of proper drivetrain operation without altering the car's character. This solution is particularly beneficial for users who want to preserve the factory driving characteristics of the Audi A4 B7 3.2 FSI Quattro, rather than experimenting with different gear ratios.

Condition, Origin, and Benefits of Choosing a Used Differential

The offered differential comes from a dismantled vehicle, meaning it is a used part, but still intended for further use after proper installation and verification by a mechanic. Choosing this solution allows you to:

• reduce repair costs compared to a new OEM part,
• maintain the original specification of the Quattro drive,
• minimize vehicle downtime thanks to a ready-to-install rear axle assembly.

Before installation, a standard check of the differential's seals, clearances, and oil condition is recommended, in accordance with Audi's service procedures. A correctly selected and installed component allows for continued, predictable vehicle operation in everyday and more demanding driving conditions.

Gear Ratio Selection and Technical Knowledge

When replacing the drive axle and differential, it is crucial to match the gear ratio to the gearbox, drive type, and driving style. If you want to better understand how the 35/8 gear ratio affects the car's behavior and what alternatives exist, it is worth consulting specialized materials. You can find a practical discussion of the topic in the article Drive Axles and Differentials from Dismantled Vehicles – How to Choose Gear Ratios for Your Driving Style, which describes the relationships between gear ratio, dynamics, and driving comfort.

Other Audi Differentials

If you are also looking for other configurations in the Differentials - Diffs category for this brand, check out the Audi Differentials - Diffs available in our store to select the part appropriate for your car's specific engine version and drive system.