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

Mercedes-Benz C-Class W203 C 180 K Rear Right O/S Suspension Leg Brake Wheel Hub is a precision suspension component designed for the rear right side of the vehicle. Thanks to its factory-fitment for the W203 platform, it ensures stable handling, correct wheel geometry, and predictable vehicle behavior during daily use. This is an ideal solution for users looking for a proven, technically compatible part for their Mercedes without the need for expensive new components.

Specifications and technical data

• SKU: A2033504008-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2033504008
• Substitutable numbers: A2033504008, A 203 350 40 08, A2033570108, A 203 357 01 08, A0034237598, A 003 423 75 98, A2034230112, A 203 423 01 12, A2093500410, A 209 350 04 10
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The steering knuckle with axle shaft for the rear right side of the C 180 K model is responsible for stable wheel guidance, transferring loads from the body to the road, and maintaining proper suspension geometry. A correctly selected component in this area is crucial for:

• maintaining proper wheel alignment and camber,
• even tire wear,
• safe vehicle behavior during braking and acceleration,
• proper cooperation with other rear suspension components.

The vehicle placement specified as rear – right side allows for unambiguous identification of the mounting position and reduces the risk of errors when selecting parts.

Compatibility and replacement numbers

The offered steering knuckle with axle shaft belongs to the Suspension replacement kits group, which facilitates selection within a single product line. The element has a dedicated part number and associated replacement numbers, allowing it to be precisely matched to the specific configuration of the Mercedes C-Class W203. In practice, this means the part can be used in place of several factory variants without interfering with the suspension design.

Before purchasing, it is worth comparing the markings with the vehicle's service documentation or the removed part to confirm full technical compatibility.

Characteristics of the used part

The steering knuckle with axle shaft is offered as a used part, which represents a reasonable compromise between repair costs and maintaining factory specifications. This type of component, sourced from dismantling, allows you to:

• maintain the original Mercedes suspension design,
• reduce repair costs compared to new replacements,
• maintain compatibility with standard chassis components.

During installation, it is recommended to check the cooperating suspension components and – if necessary – replace consumables to fully utilize the potential of this part.

Application in service practice

Replacing the steering knuckle with axle shaft on the rear right side is particularly recommended after mechanical damage (e.g., hitting a curb, collision) or when there are identified geometry problems that cannot be corrected by adjustment alone. Using a properly selected element allows you to:

• restore the correct vehicle driving path,
• minimize vibrations and unwanted noises from the rear suspension,
• ensure predictable vehicle behavior at higher speeds.

For workshops and individual users, this is a practical solution that enables efficient repair without the need for vehicle modifications.

Modernization expansion and technical knowledge

If you are planning a comprehensive repair or modernization of the rear suspension zone 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.

Those interested in the wider use of used components in premium cars can take advantage of practical tips on selecting and installing such parts – especially in the context of tuning and repairing German cars. More information can be found in the article Audi on second-hand parts – tuning and repairs without losing quality, which discusses how to consciously use the secondary market while maintaining high quality and operational safety.