Mercedes W211 W219 350 CDI Front Right O/S Suspension Leg Brake Disc Wheel Hub

Mercedes W211 W219 350 CDI Front Right O/S Suspension Leg Brake Disc Wheel Hub is a complete, used base for professional repair of the front suspension and braking system on the right side of high-class Mercedes models. The set combines a suspension load-bearing element with a component responsible for effective braking, which facilitates precise replacement in workshop conditions. By maintaining factory geometry, it provides a solid reference point for wheel alignment and brake performance checks.

Specifications and technical data

• SKU: A2113306520
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2113306520
• Substitutable numbers: A2113306520, A 211 330 65 20, A2303300325, A 230 330 03 25, A0044201083, A 004 420 10 83, A2114210912, A 211 421 09 12, BG
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the vehicle

The presented set belongs to the Suspension replacement kits category and is intended for installation in the front right part of the vehicle. The steering knuckle is responsible for wheel guidance, transferring loads from the suspension to the body, and maintaining proper axle geometry, while the integrated brake caliper is part of the system responsible for safe deceleration.

The placement on the front right side of the vehicle allows for clear installation identification, which reduces the risk of errors when selecting parts. Such a set is particularly useful for repairs after collisions, intensive operational wear, or when replacing elements with visible mechanical damage.

Benefits of using a complete steering knuckle with a caliper

Using a set where the steering knuckle and brake caliper are selected as a whole brings a number of practical benefits:

• consistency of load-bearing and braking elements in one installation zone,
• easier fitment to the hub, shock absorber, and other suspension components,
• reduced risk of incorrect wheel alignment,
• acceleration of the service process compared to replacing individual sub-assemblies.

For workshops and users who value technically correct fitment, this is a solution that allows for limiting the number of potential error points during installation and subsequent adjustment.

Product characteristics and compatibility with Mercedes

The item comes from the Mercedes brand offer, which means maintaining the original design, mounting points, and operating characteristics intended by the vehicle manufacturer. Thanks to this, the steering knuckle works with factory wishbones, shock absorbers, and the hub, and the brake caliper is adapted to the discs and pads provided in the given configuration.

The product is classified as used, which in practice means the possibility of obtaining original build quality at a lower cost compared to new components. For many Mercedes 350 CDI users, this is a rational way to maintain structural consistency of the suspension without giving up factory technical solutions.

Application in suspension and brake repairs

The front right steering knuckle with a brake caliper will work especially well in situations where it is necessary to:

• repair after mechanical damage in the wheel and suspension area,
• replace an element with excessive wear or corrosion,
• restore correct front axle geometry,
• perform comprehensive service of the braking zone on the right side.

Thanks to maintaining the original design, it is possible to precisely set the wheel alignment and check the operation of the braking system after installation is complete. This solution is recommended both for services specializing in the Mercedes brand and for conscious users looking for technically consistent components.

How to care for used suspension and brake elements

To maximize the potential of a used steering knuckle with a caliper, it is worth taking care of proper maintenance, regular inspections, and correct installation using appropriate tightening torques and new fasteners where required. Before installation, it is recommended to thoroughly clean the mating surfaces and check the condition of other suspension and brake components in the same zone.

Practical tips regarding the operation and maintenance of used sub-assemblies can be found in the article How to extend the life of used car parts?, which describes, among other things, good practices for suspension and dismantled elements.

Additional information for Mercedes users

If you are planning a comprehensive repair or upgrade of the suspension zone in your Mercedes and need other elements from the same group, such as steering knuckles, mounts, or complete mounting sub-assemblies, check the available parts in the Mercedes suspension replacement kits category.

Read more about why choosing original used components of this brand is profitable in terms of durability and driving comfort in the material Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?, which helps to consciously approach the selection of parts in premium class cars.