Wheel Carrier Mercedes C140 Front Right O/S Wheel Hub Bearing A1403320802

Mercedes C140 Steering Knuckle Wheel Hub Front Left Suspension is a specialized component of the drivetrain designed for Mercedes models, ensuring stable handling and precise wheel mounting. This is a solution for users looking for a proven front axle suspension component, structurally adapted to the vehicle's factory requirements. By maintaining the original steering knuckle geometry, it is possible to preserve the correct operation of the steering and suspension systems.

Specifications and technical data

• SKU: A1403320802
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1403320802
• Substitutable numbers: A1403320802, A 140 332 08 02
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and Function in Suspension

The described steering knuckle with hub is a load-bearing element for the front wheel, responsible for proper vehicle guidance and cooperation with the braking and steering systems. The placement on the vehicle specified as front – right side means that the part has been designed to work on the driver's or passenger's side in accordance with the factory construction layout of the specific C140 model. A correctly selected steering knuckle allows for maintaining proper wheel camber and toe angles, which translates to driving stability and even tire wear.

Benefits of Using an Original Mercedes Steering Knuckle

Using a component from the same design line as the factory Mercedes suspension parts minimizes the risk of installation problems and eliminates the need for modifications. The steering knuckle with hub ensures:

• maintenance of the factory front axle geometry,
• correct cooperation with the shock absorber, control arms, and steering system,
• stable mounting of the wheel hub and bearing,
• the possibility of correct toe adjustment after replacement.

For users who are modernizing or repairing the drivetrain, choosing such a component is a way to maintain predictable car behavior during braking, acceleration, and cornering.

Assembly Characteristics and Practical Application

The steering knuckle integrated with the front wheel hub allows for efficient replacement of the entire support assembly on one side of the vehicle. This solution is particularly useful in situations of mechanical damage (e.g., after a collision or impact with an obstacle) where a larger part of the suspension system needs to be replaced. The element belongs to the group of Suspension Replacement Kits, which facilitates the selection of other components within a single service operation.

After installation, wheel alignment is recommended to fully utilize the steering knuckle's design potential and ensure even load distribution on all suspension components. This provides the driver with predictable steering responses and better vehicle control in everyday use.

Part Condition and Usability Aspects

The offered element comes from the used parts segment, allowing for economical drivetrain repair while maintaining the original construction. This type of solution is often chosen by users who want to keep their car in good technical condition while optimizing service costs. A steering knuckle with a hub, as a structural part, can continue to perform its function in a predictable and safe manner after correct installation and inspection of cooperating sub-assemblies.

For those interested in a broader approach to using aftermarket components in premium cars, it is worth reading the guide describing practical examples of tuning and repairs using used parts – details can be found in the article Audi on Second-Hand Parts – Tuning and Repairs Without Quality Loss.

Expansion and Completion of the Mercedes Suspension System

If you are planning a comprehensive repair or modernization of the front axle suspension area in your Mercedes and need other elements from the same group, such as additional steering knuckles, hubs, or related mounting components, check the available parts in the Mercedes Suspension Replacement Kits category.

This approach allows for refreshing key drivetrain elements in a single service stage, resulting in consistent vehicle handling, better car control, and reduced future service downtimes due to phased replacement of individual components.