Mercedes W164 320 CDI Suspension Leg Wheel Carrier Hub Rear Right O/S Brake Disc

Mercedes W164 320 CDI Suspension Leg Wheel Carrier Hub Rear Right O/S Brake Disc is a complete, used base for the professional repair of the rear right suspension corner in Mercedes M-Class W164 generation SUVs. This component allows for precise restoration of geometry, stability, and handling confidence, serving as a solid foundation for further service work in the rear suspension area.

Specifications and technical data

• SKU: A1643501408-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1643501408
• Substitutable numbers: A1643501408, A 164 350 14 08, A 164 350 08 08, A1643500808
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and vehicle placement

The presented set belongs to the Suspension replacement kits group and is intended for installation in the rear, right part of the vehicle. It is responsible for proper wheel guidance, transferring loads from the body to the ground, and maintaining the correct rear axle geometry in the Mercedes W164 320 CDI model.

Placement on the vehicle as rear – right side means that the component works directly with brake system elements, shock absorption, and control arms, influencing stability during acceleration, braking, and cornering.

Set construction and wheel carrier function

The product includes a wheel carrier with a suspension leg and a brake caliper, which enables a coherent replacement of the entire load-bearing and braking assembly on the right side of the rear axle. This configuration facilitates service, reduces the risk of component incompatibility, and allows for faster restoration of full drivetrain efficiency.

The rear wheel carrier is responsible for:

• stable mounting of the wheel hub and brake components,
• maintaining specified camber and toe angles,
• transferring longitudinal and lateral forces to the suspension structure.

The presence of the caliper in the set allows for a consistent rebuild of the suspension–brake connection, which is particularly important after mechanical damage or collisions.

Benefits of using an original Mercedes component

The product comes from the Mercedes brand, which ensures factory-fit for the W164 320 CDI construction. Original mounting geometry, appropriate material stiffness, and compliance with factory tolerances translate into:

• confident vehicle handling at higher speeds,
• proper cooperation with safety systems (ABS, ESP, ASR),
• easier rear axle geometry adjustment after installation.

The used nature of the part allows for a significant reduction in repair costs while maintaining the original suspension construction, which is particularly beneficial in the case of complex load-bearing elements.

Condition, selection, and use in service practice

The element is offered as used, which in workshop practice means the possibility of an economical repair without the need to reach for expensive replacements with uncertain geometry. The set is particularly useful for:

• repairs after mechanical damage to the rear right wheel,
• replacing deformed load-bearing suspension elements,
• restoring factory geometry after a collision or strong impact with an obstacle.

Thanks to the completeness of the assembly (wheel carrier, suspension leg, caliper), the mechanic can reduce the number of separate disassembly and fitting operations, which shortens vehicle downtime and reduces the risk of assembly errors.

Part selection and technical support

Proper component selection is facilitated by the SKU marking and the assigned OEM part number, as well as available interchangeable numbers, which allow verifying compatibility with a specific engine version and equipment of the W164 320 CDI. Placement described as rear – right minimizes the risk of error when ordering the element for the correct side of the vehicle.

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

Used parts and repair quality

Owners of premium cars are increasingly reaching for used suspension components to maintain a high level of safety at reasonable costs. In the case of models such as the Mercedes W164 320 CDI, the use of original, used load-bearing elements allows for maintaining the handling characteristics intended by the manufacturer.

If you want to better understand how to effectively use second-hand components for repairs and modifications of premium segment cars, read the article Audi on second-hand parts – tuning and repairs without loss of quality, where we discuss a practical approach to the quality of used components.

Additionally, to consciously compare the advantages of new and used suspension elements in terms of costs, durability, and availability, it is worth reading the material Car parts – new or used? We compare costs, quality, and durability, which helps to choose the optimal solution for a specific scope of repair.