Mercedes-Benz C-Class W203 C 180 K Rear Left N/S Suspension Leg Brake Wheel Hub

Mercedes-Benz C-Class W203 C 180 K Rear Left N/S Suspension Leg Brake Wheel Hub is an original suspension component designed for the rear left side of the vehicle, specifically engineered for Mercedes models. Precise geometry and factory mounting points ensure proper suspension operation, driving stability, and correct load transfer to the chassis.

Specifications and technical data

• SKU: A2033503908-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2033503908
• Substitutable numbers: A2033503908, A 203 350 39 08, A2033570108, A 203 357 01 08, A0034237498, A 003 423 74 98, A2034230112, A 203 423 01 12, A2093500410, A 209 350 04 10
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The steering knuckle with the rear left axle shaft is responsible for stable wheel guidance, maintaining proper suspension geometry, and transferring forces from the control arms and shock absorber to the chassis. In combination with other system components, it influences:

• precision of vehicle handling during straight-line driving and cornering,
• even tire wear by maintaining correct toe and camber settings,
• safe transfer of drive torque to the wheel on the rear left side.

The component designed for the rear – left side is structurally matched to this specific position in the vehicle, which eliminates installation issues and ensures compliance with the manufacturer's factory specifications.

Compatibility and replacement numbers

The steering knuckle with the axle shaft belongs to the Suspension replacement kits group, allowing it to work with many variants of factory suspension components used in the given model. The part has a dedicated OEM number and a set of interchangeable numbers, which facilitates the selection of the correct element when comparing with the manufacturer's catalog or the removed part.

The presence of reference numbers allows for a technically correct fitment of the product to a specific body and engine version, minimizing the risk of ordering errors. This is particularly important in the case of multi-link suspension, where structural differences between versions can be significant.

Condition, quality, and benefits of choosing a used part

The offered item is in Used condition, meaning it has been removed from a vehicle but retains full structural functionality required for further operation. Choosing an original used steering knuckle with an axle shaft for a Mercedes allows you to:

• maintain the factory suspension performance characteristics,
• preserve high rigidity and durability of connections,
• reduce repair costs compared to purchasing a new component.

In the case of load-bearing suspension elements, the manufacturer's original design is particularly valuable as it ensures material compatibility, appropriate wall thickness, and correct placement of mounting points.

Why it is worth using a complete steering knuckle with an axle shaft

Using a complete steering knuckle with an axle shaft for the rear left side of the vehicle simplifies the service process and reduces the risk of installation errors. The mechanic receives a coherent assembly that:

• allows for faster restoration of correct suspension geometry after a collision or mechanical damage,
• facilitates the inspection of bearings, joints, and mounting points in one area,
• ensures better repeatability of settings compared to replacing individual, scattered components.

For the user, this means more stable handling, predictable car behavior in corners, and a lower risk of premature wear of tires and other suspension components.

Suspension repair expansion and additional materials

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

When planning larger drivetrain and suspension repairs, it is also worth paying attention to the selection of appropriate transmission components. To better understand when it pays to reach for original used components instead of expensive refurbishment, read the article: Manual transmission failures in cars – why is an original used part a more sensible choice than regeneration?