Mercedes Vito W639 Wheel Hub Rear Right O/S Suspension Leg Brake Disc Caliper

Mercedes Vito W639 Wheel Hub Rear Right O/S Suspension Leg Brake Disc Caliper is a complete, used component from the Suspension replacement kits group, designed for installation on the rear axle on the right side. The set allows for a consistent replacement of key components within the suspension and braking system, ensuring correct geometry and stable wheel operation.

Specifications and technical data

• SKU: A6393508805
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6393508805
• Substitutable numbers: A6393508805, A 639 350 88 05, A6393560401, A 639 356 04 01, A6394200983, A 639 420 09 83, A6394230112, A 639 423 01 12, A6393502905, A 639 350 29 05, A6393503105, A 639 350 31 05, A6393560201, A 639 356 02 01, A6394200383, A 639 420 03 83, A6393500710, A 639 350 07 10, BG
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and vehicle placement

The presented set is designed for installation on the rear right side of the vehicle, in the Mercedes Vito W639 model. It includes a wheel hub integrated with suspension and braking system components, which facilitates maintaining the proper positioning of the wheel relative to the body and other axle components.

The placement on the vehicle is factory-defined, thanks to which the element works with the original suspension geometry, braking system, and body mounts, minimizing the risk of installation problems.

Set construction and function in the running gear

The set combines several important technical functions:

• guiding and supporting the wheel through the hub and suspension load-bearing elements,
• stabilizing the wheel position relative to the body during driving and braking,
• transferring braking forces thanks to the integrated brake disc and caliper,
• providing an appropriate mounting point for rear axle suspension elements.

Such a combination in one assembly facilitates service, as the replacement takes place within one consistent module rather than many scattered parts. For workshops, this means shorter working time, and for the user – more predictable vehicle behavior after repair.

Benefits of using a complete suspension kit

Choosing a complete set with a hub, suspension element, brake disc, and caliper allows for:

• maintaining technical consistency – the components are structurally matched to each other,
• reducing the risk of incorrect installation of individual parts,
• more predictable diagnostics in the future, as the entire zone works as one system,
• easier technical condition control during periodic inspections.

A used, original set from the Suspension replacement kits group is often an attractive alternative to replacements, especially in vehicles used intensively, where factory fit and compliance with the axle design count.

Condition, fitment, and identification

The element comes from a Mercedes vehicle and is offered as a used part, which allows for an economical repair while maintaining the original design specification. The set has an assigned OEM part number and related interchangeable numbers, which facilitates verification of compatibility with a specific version of the Vito W639 in service catalogs and parts selection systems.

To ensure fitment, it is worth comparing the markings with the vehicle documentation or consulting a mechanic, especially with differences resulting from the body version or axle configuration.

Technical support and selection of used suspension elements

When choosing used suspension components, such as complete hub and brake element assemblies, it is important to understand the structural differences between standard and more sporty solutions. A detailed discussion of these issues, along with practical tips on selecting used parts, can be found in the article "Standard vs. sports suspension – design differences and is it worth buying used suspension parts?".

If you are planning a comprehensive repair or upgrade of the rear axle suspension zone in your Mercedes and need other elements from the same group, such as control arms, springs, or additional mounting modules, check the available parts in the Mercedes suspension replacement kits category.