Mercedes Vito W639 Rear Differential Diff Axle A6393503514 WARRANTY

Listing details

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

Mercedes Vito W639 Rear Differential Diff Axle is an original drivetrain component designed for installation on the vehicle's rear axle. A used differential of this class allows for an economical, yet technically sound and factory-compliant repair of the drive axle. This is a solution for users who expect reliable drivetrain performance without the need to invest in a new part.

Specifications and technical data

• SKU: A6393503514
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6393503514
• Substitutable numbers: A6393503514, A 639 350 35 14
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function in the drivetrain

The presented differential is part of the Differentials category and is responsible for distributing torque to the rear axle wheels in the Mercedes Vito W639. Its placement at the rear of the drive axle ensures proper cooperation with the driveshaft and half-shafts, which translates into stable vehicle handling and predictable road behavior.

Thanks to its factory design tailored to the specific Mercedes platform, the differential maintains the correct geometry and operating characteristics, which is essential both when driving under load and in the daily use of a commercial vehicle.

Benefits of using an original Mercedes differential

Using an original Mercedes component in the rear drivetrain helps maintain the vehicle's structural integrity. In practice, this means:

• maintaining factory drive axle gear ratios,
• proper cooperation with the existing drivetrain and vehicle electronics,
• reducing the risk of improper fitment or excessive backlash in the gear assembly.

A used differential is a good choice for post-accident repairs, replacing a worn-out axle, or restoring the efficiency of a fleet vehicle, where reasonable cost and maintaining performance parameters close to factory specifications are important.

Vehicle placement and installation aspects

The differential is designed for installation in the rear of the vehicle, in the drive axle area. Such placement requires maintaining proper alignment with the driveshaft and half-shafts, which is why choosing a component dedicated to the specific Vito W639 model facilitates the mechanic's work and limits the need for additional modifications.

When selecting parts, it is worth paying attention to compliance with the manufacturer's markings and the parameters of the drivetrain used in a given vehicle unit. The product has assigned identification numbers that allow for verification of compatibility with a specific Mercedes configuration.

Practical application and selection for driving style

The rear differential in the Mercedes Vito W639 is crucial for driving characteristics – it influences how torque is transferred, vehicle behavior during acceleration, and stability when driving with a load. A properly selected drive axle helps reduce noise, vibrations, and uneven tire wear.

If you want to better understand how to choose a drive axle and differential for a specific application and driving style, it is worth checking out the guide: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. The article discusses definitions, gear ratios, compatibility issues, and practical examples of using dismantled components.

Expanding the drivetrain in your Mercedes

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mercedes and need other components from the same group, such as axle housings, differential gears, or additional rear-drive sub-assemblies, check out the available parts in the Mercedes Differentials category.

Summary

Mercedes Vito W639 Rear Differential Diff Axle is a practical solution for users looking for an original, used rear drivetrain component. Proper fitment for the specific Mercedes model, adherence to the factory design concept, and the possibility of economical repair make this a particularly useful part for servicing commercial, fleet, and private Vito vehicles.