Mercedes W447 Rear Axle Driveshaft Left Right N/O/S A4473503900

Mercedes W447 Rear Axle Driveshaft Left Right is a component from the Driveshafts group, designed for installation on the rear axle of this vehicle series. Thanks to its compatibility with both the left and right sides, it serves as a practical service solution for users and workshops specializing in Mercedes drivetrain repairs.

Specifications and technical data

• SKU: A4473503900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4473503900
• Substitutable numbers: A4473503900, A 447 350 39 00
• Location on the vehicle: Rear, Right, Left
• Category: Driveshafts

Purpose and vehicle placement

The presented driveshaft is designed to operate in the rear part of the drivetrain, with the option of installation on either the left or right side. This solution facilitates part selection during repairs of the drive axle and differential, as well as when replacing components after collisions or operational failures. Its placement on the rear axle means this component is responsible for transferring torque from the final drive to the wheels, which directly impacts traction and vehicle stability during acceleration and engine braking.

Technical and functional characteristics

The driveshaft belongs to the Driveshafts group, meaning it operates under demanding load conditions – both in terms of torsional forces and variable suspension operating angles. The design of this type of component is engineered to maintain appropriate rigidity, fatigue resistance, and compatibility with the factory suspension and drivetrain system in the Mercedes W447. Using the correct driveshaft helps reduce vibrations, noise, and uneven tire wear resulting from improper power transmission.

Selecting the right part from this group is particularly important for commercial and fleet vehicles, where the drivetrain is exposed to intensive use, frequent maximum loads, and driving with a full payload. A properly matched driveshaft helps maintain stable operating parameters for the differential and drive axle, which translates into predictable vehicle behavior on the road.

Component condition and service application

The offered driveshaft is a used component, which provides a cost-effective solution while maintaining the manufacturer's original specifications. This type of component is particularly attractive to workshops and users who want to maintain drivetrain consistency with factory standards while optimizing repair budgets. In practice, this allows for the quick replacement of a damaged driveshaft without the need to resort to expensive new parts.

Due to its location in the rear of the vehicle, driveshaft replacement is often performed in conjunction with checking the condition of the differential, wheel bearings, and seals. A properly selected component helps reduce the risk of additional stress on these sub-assemblies, which is important for the long-term reliability of the entire drivetrain system.

Selecting a driveshaft for driving style and drivetrain configuration

When replacing a driveshaft in a Mercedes W447, it is worth considering how the vehicle is used – intensive city driving, frequent starting under load, or operation on long routes all affect the loads transferred by the driveshafts. For users who want to better understand the relationships between the drive axle, differential, and components such as the driveshaft, the following article will be helpful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. It allows for an informed approach to drivetrain service and helps avoid incorrect gear ratio combinations.

Expanding service within Mercedes driveshafts

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 additional driveshafts, connecting shafts, or components working with the differential, check out the available parts in the Mercedes Driveshafts category.

Summary

Mercedes W447 Rear Axle Driveshaft Left Right is a practical service solution for users and workshops servicing vehicles of this series, allowing for the replacement of the component responsible for power transmission to the rear axle while maintaining factory operating characteristics. Using an original component from the driveshafts group supports handling stability, proper differential operation, and predictable vehicle behavior in daily use.