Mercedes W212 E63 AMG Wheel Carrier Rear Left N/S Axle Knuckle A2043500741

Mercedes W212 E63 AMG Wheel Carrier Rear Left N/S Axle Knuckle is an original chassis component from the Wheel bearings, hubs and bushings group, designed for installation on the rear axle on the driver's side. This solution is designed by the vehicle manufacturer, ensuring proper suspension geometry, stable wheel handling, and precise cooperation with other rear suspension components.

Specifications and technical data

• SKU: A2043500741
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043500741
• Substitutable numbers: A2043500741, A 204 350 07 41
• Location on the vehicle: Rear, Left
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the suspension system

The rear knuckle in the Mercedes W212 E63 AMG model is responsible for a rigid yet precise connection between the wheel hub, control arms, and other suspension elements. The vehicle positioning defined as rear – left side means that the part is dedicated for installation on the driver's side of the rear axle, which is crucial for maintaining correct geometry and driving safety.

This component transfers loads from the wheel to the body, stabilizes the position of the hub, and works with bearings and bushings, influencing:

• maintaining the correct wheel camber and toe-in angles,
• vehicle stability at higher speeds,
• even tire wear,
• precise handling characteristic of the AMG version.

Original origin and fitment for Mercedes W212 E63 AMG

The rear knuckle was developed by Mercedes specifically for the requirements of the dynamic E63 AMG model, thus maintaining factory stiffness and durability parameters. The original design ensures:

• secure fitment to mounting points on the body and control arms,
• cooperation with factory bearings, hubs, and bushings,
• compliance with the vehicle's stock handling characteristics.

As a result, installation is predictable for the mechanic, without the need for modifications or fitting aftermarket replacements, which reduces the risk of subsequent geometry issues or suspension noise.

Characteristics of the used component

The offered rear knuckle is a used part, sourced from dismantling, which allows combining original origin with a more favorable purchase cost. Such a component, when properly maintained, retains its functional properties for a long time, which is why it is a rational choice for suspension repairs in premium class cars.

Choosing a used OEM element is particularly important in the case of structures responsible for geometry and driving safety – the original knuckle retains factory material parameters and shape, which facilitates subsequent wheel alignment and minimizes the risk of improper fitment.

Benefits of using an original rear knuckle

Using an original rear knuckle in a Mercedes W212 E63 AMG provides a number of practical benefits:

• Stable handling – maintaining the factory characteristics of the chassis, which is particularly important in powerful AMG versions.
• Precise geometry – the correct positioning of the hub and control arm mounting points facilitates proper wheel alignment and angle adjustment.
• Compatibility with braking and drivetrain systems – the design matched to standard Mercedes solutions limits the risk of installation problems.
• Economical repair – a used OEM component allows for lower service costs while maintaining high manufacturing quality.

Why it is worth considering used OEM suspension components

When repairing suspension in premium class cars, many drivers consider the choice between new aftermarket replacements and used original parts. To better understand the differences and dispel doubts regarding durability and safety, it is worth reading our guide: Used car parts: myths and facts you need to know. The article explains in which situations used OEM components are a reasonable and technically justified alternative.

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 wheel hubs, bearings, or bushings, check the available parts in the Mercedes wheel bearings, hubs and bushings category.