Mercedes Sprinter W901 Rear Differential Diff A9013503900 741407 35:8 4,375

Listing details

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

Mercedes Sprinter W901 Rear Differential Diff is an original drivetrain component from the Differentials group, designed for installation on the vehicle's rear axle. This solution is dedicated to users who expect stable torque transmission, proper drivetrain operation, and the maintenance of factory handling and traction parameters in the Mercedes Sprinter W901. By maintaining the OEM design, the rear axle allows for a technically correct repair without interfering with the suspension geometry or the drivetrain system.

Specifications and technical data

• SKU: A9033500403
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9033500403
• Substitutable numbers: A9033500403, A 903 350 04 03, A9013503900, A 901 350 39 00
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function of the rear axle

The drive axle with differential for the Mercedes Sprinter W901 is responsible for distributing torque to the rear wheels, maintaining the correct gear ratio, and ensuring the stable operation of the entire drivetrain. Its rear-mounted position makes this component crucial for traction, especially in commercial vehicles operated under load, in goods transport, or specialized bodywork.

Selecting the correct axle from this series allows for the preservation of factory acceleration characteristics, engine RPM at highway speeds, and predictable vehicle behavior on slippery surfaces. This is particularly important for Sprinters working in continuous operation, where stability and consistency of driving parameters translate into safety and operational economy.

Construction and technical compatibility

The rear axle integrated with the differential in the Sprinter W901 constitutes a complete load-bearing and drive assembly for the rear axle. Housed within a single casing are the components responsible for:

• transmitting drive from the driveshaft to the rear wheel half-shafts,
• maintaining the appropriate differential gear ratio,
• stable guidance of the axle relative to the body.

Thanks to the preservation of the original Mercedes design, the axle is prepared for compatibility with factory suspension mounts, hubs, and the braking system intended for the Sprinter W901. This allows for installation without the need for structural modifications, which reduces the risk of subsequent problems with geometry, noise, or uneven tire wear.

Characteristics of the used component

The presented axle with differential is a second-hand market component, which allows for a significant reduction in repair costs compared to a new part, while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial for fleets, transport companies, and individual users who want to restore full drivetrain efficiency without overstraining their service budget.

When choosing a used rear axle for a Sprinter, it is worth paying attention to compliance with the manufacturer's markings and interchangeable part numbers – this ensures that the differential will work with the existing drivetrain, electronics, and gear ratios factory-fitted to the specific vehicle version.

Gear ratio selection and technical support

To maximize the potential of the rear axle in the Mercedes Sprinter W901, the correct selection of the gear ratio relative to the vehicle's weight, body type, and driving style is essential. This directly affects dynamics, fuel consumption, and comfort at higher speeds. If you want to better understand the relationship between differential gear ratios, engine characteristics, and vehicle application, check out our practical guide: Dismantled drive axles and differentials – how to choose gear ratios for your driving style.

Drivetrain expansion and other Mercedes differentials

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

Additional information on the benefits of using original, used components in vehicles of this brand, including the cost-effectiveness of repairs using dismantled parts, is provided in the article: Used parts for Mercedes – original dismantled components. This is a useful source of knowledge for those who want to combine technical correctness of repairs with rational vehicle maintenance costs.