Mercedes W168 Rear Right O/S Suspension Leg Radius Arm Wheel Hub

Mercedes W168 Rear Right O/S Suspension Leg Radius Arm Wheel Hub is a precision suspension component from the Suspension replacement kits category, designed for installation on the rear right axle of the vehicle. This used component is a functional service solution that allows for the restoration of proper suspension geometry and driving stability. It is a practical choice for users looking for an original design with proven durability.

Specifications and technical data

• SKU: A1683503406
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: A1683503406
• Substitutable numbers: A1683503406, A 168 350 34 06, A1683500435, A 168 350 04 35, A1684230401, A 168 423 04 01
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and vehicle placement

The steering knuckle with wheel hub is designed for installation in the rear suspension area on the right side. It is responsible for the stable seating of the wheel, cooperation with suspension elements, and proper load transfer during driving, braking, and traversing uneven surfaces. Precise fitment to the specific vehicle model allows for maintaining correct wheel geometry, which translates into predictable vehicle behavior and even tire wear.

Technical and functional characteristics

The offered steering knuckle with wheel hub is a complete load-bearing element for the rear wheel on the right side, integrating mounting points for the suspension and braking system. The design has been engineered for stable operation under typical operating conditions, while maintaining appropriate rigidity and resistance to dynamic loads. Thanks to the use of original geometry, it is possible to maintain factory vehicle handling parameters without the need to modify other sub-assemblies.

Condition, origin, and benefits of choosing a used part

The steering knuckle comes from the used parts segment, which means it has already been in service but retains functionality that allows for further use. Choosing such a solution is cost-effective while enabling the use of a component with a design consistent with the manufacturer's factory specifications. For many users, this is a reasonable compromise between price and quality, especially for suspension repairs where the fit and stability of the entire system are crucial.

Technical support and selecting the right part

When selecting a steering knuckle with a wheel hub for a specific vehicle, it is worth paying attention to compatibility with the manufacturer's markings and the rear suspension configuration. The product has assigned part numbers and interchangeable numbers, which facilitates compatibility verification in service catalogs and parts selection systems. In case of doubt, consultation with a mechanic or a spare parts specialist is recommended to ensure proper installation and trouble-free operation after replacement.

Related suspension elements and further expansion

During work on the rear suspension, it is often considered to simultaneously replace other components working with the steering knuckle, such as control arms, bushings, or mounting elements. If you are planning a comprehensive repair or upgrade of the suspension zone in your vehicle and need other elements from the same group, such as control arms, links, or additional mounts, check the available parts in the Suspension replacement kits category.

Why consider original used parts

When repairing the chassis, many drivers face a choice between regeneration and using original components from the secondary market. In the context of mechanical sub-assemblies such as steering knuckles or hubs, an original used part often ensures predictable behavior and compliance with the vehicle's factory parameters. You can find more about the advantages of using original second-hand elements in drivetrain and chassis systems in the article Manual transmission failures in cars – why is an original used part a more reasonable choice than regeneration?.

For drivers who pay attention to the economic and environmental aspect, choosing a used steering knuckle with a wheel hub can be part of a broader strategy of responsible vehicle operation. If you want to better understand the benefits of using proven parts from the secondary market, it is worth reading the material Eco-driving: discover the benefits of used car parts, which discusses the impact of such decisions on the budget and the environment.