Mercedes W207 E 220 CDI Jambes suspension arrière gauche Moyeu roue de frein

Mercedes W207 E 220 Suspension Left Rear Knuckle Rear Left A2043500341 is an original suspension component designed for the rear axle on the left side. This precisely manufactured knuckle ensures stable wheel guidance, correct suspension geometry, and predictable vehicle behavior on the road. By using a factory solution from Mercedes, full compatibility with the vehicle's construction is maintained.

Spécifications et données techniques

• UGS: A2043500341-6
• Marque: d'origine Mercedes
• Condition: D'occasion
• Numéro de pièce OEM: A2043500341
• Nombres substituables: A2043500341, A 204 350 03 41, A2303570308, A 230 357 03 08, A2044230181, A 204 423 01 81, A2043502110, A 204 350 21 10, A2044231512, A 204 423 15 12, BG
• Poids: 150
• Emplacement sur le véhicule: Arrière, Gouche
• Catégorie: Kits de suspension complets

Purpose and Function in the Suspension System

The left rear knuckle in the Mercedes W207 E 220 is a key structural element of the rear suspension, responsible for connecting the wheel hub to the control arms and other suspension components. Its placement on the vehicle in the rear axle area on the left side guarantees adaptation to the specific body geometry and handling characteristics of this model.

This component transfers vertical and lateral loads, stabilizes the wheel's position relative to the body, and works with other suspension parts, which affects:

• maintaining proper toe and camber angles,
• even tire wear,
• confident vehicle handling at higher speeds,
• stability during braking and cornering.

Technical Specifications and Fitment

The presented knuckle belongs to the Suspension Replacement Kits group, which facilitates part selection for comprehensive rear suspension servicing. The product has an assigned OEM part number and a set of interchangeable numbers, allowing for precise identification in service catalogs and parts selection systems, and minimizing the risk of ordering errors.

The specified vehicle placement and dedicated design for the rear axle on the left side ensure proper fitment with factory mounting points. The defined weight of the component is adapted to the operating loads in this model, which is important for suspension performance, ride comfort, and the durability of other components.

Product Characteristics and Condition

The knuckle is offered as a part in Used condition, meaning it comes from disassembly and has been verified for its continued operational suitability. This type of solution allows for economical repair while maintaining the original vehicle manufacturer's specifications. The use of an OEM component helps preserve the factory handling characteristics without the need for structural modifications.

A properly selected left rear knuckle reduces the risk of incorrect geometry alignment, excessive play, or unwanted vibrations, leading to safer and more predictable vehicle operation. This is particularly important in Mercedes-class vehicles, where the suspension system is designed with an emphasis on comfort and stability.

Application in Service Practice

Replacement of the left rear knuckle is recommended in case of mechanical damage (e.g., after a collision, hitting a curb) or detected deformations affecting suspension geometry. Using an original element from the Suspension Replacement Kits group allows for restoring correct driving parameters without compromising quality.

In workshop practice, attention is paid to:

• precise alignment of mounting points to control arms and the hub,
• compliance with OEM part number and interchangeable numbers,
• appropriate weight and structural rigidity,
• absence of cracks, excessive corrosion, and deformations.

By adhering to these criteria, installation proceeds smoothly, and the final result aligns with the vehicle manufacturer's intentions.

Support for Selection and Operation

If you are planning a comprehensive repair or upgrade of the rear suspension area in your Mercedes and need other components from the same group, such as knuckles, control arms, or complete rear suspension modules, check the available parts in the Mercedes Suspension Replacement Kits category.

To maximize the potential of a used part and ensure its long-term operation, it is worth familiarizing yourself with proven maintenance and installation methods. Practical tips can be found in the article How to Extend the Lifespan of Used Car Parts?, which describes, among other things, the principles of operating suspension components from disassembly.

If you want to plan your car's repair more broadly and gather a larger set of original components in one place, the guide Comprehensive Sourcing: From Engine to the Smallest Clip – How to Assemble Used Car Parts in One Place?, which discusses the advantages of the One-Stop-Shop approach when selecting used parts, may be helpful.