Mercedes W124 Wheel Carrier Front Right O/S Suspension Axle Mount A1243300520

Mercedes W124 Wheel Carrier Front Right O/S Suspension Axle Mount is an original suspension component designed for the front axle on the passenger side of the classic Mercedes W124 model. The part belongs to the Wheel bearings, hubs and bushings group, which guarantees proper fitment to the suspension and steering system design. Using this OEM component allows for a technically correct repair without interfering with the vehicle's factory geometry.

Specifications and technical data

• SKU: A1243300520
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1243300520
• Substitutable numbers: A1243300520, A 124 330 05 20
• Weight: 150
• Location on the vehicle: Front, Right
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the suspension system

The wheel carrier with hub for the right side of the front axle is responsible for stable wheel guidance, transferring loads from the suspension to the body, and working in conjunction with the braking and steering system components. In the Mercedes W124, this assembly is crucial for:

• maintaining correct wheel geometry (toe, camber),
• precise vehicle handling at higher speeds,
• even brake performance on the front axle,
• stable seating of the hub and wheel bearings.

By maintaining the factory design, the use of this wheel carrier with hub helps reduce the risk of incorrect wheel alignment and unwanted vibrations while driving.

Benefits of using an original Mercedes component

The original wheel carrier with hub for the Mercedes W124 ensures compliance with the manufacturer's factory tolerances. This translates into:

• secure fitment to suspension and shock absorber mounts,
• proper cooperation with the factory braking and steering system,
• preservation of the handling characteristics typical for the W124,
• possibility of installation without the need for structural modifications.

The used OEM component is particularly attractive for repairs of vehicles used on a daily basis and for the restoration of classic models, where compliance with the original specification is essential.

Vehicle placement and installation aspects

The described wheel carrier with hub is intended for installation on the front axle on the right side. Such designation of placement on the vehicle facilitates the selection of the correct component in the case of a one-sided replacement after a collision, mechanical damage, or excessive wear of cooperating elements.

During installation, it is recommended to:

• check the condition of cooperating suspension and braking system elements,
• inspect mounting surfaces for deformations,
• after the replacement is completed – perform a wheel geometry alignment on the front axle.

This approach allows you to fully utilize the potential of the part and restore predictable vehicle handling.

Performance characteristics and practical application

The wheel carrier with hub in the Mercedes W124 operates under demanding conditions – it transfers dynamic loads, lateral forces in corners, and braking forces. Using an original component from the same design group as the factory-installed part promotes:

• reduction of play in the suspension system,
• limitation of noise and vibrations transmitted to the body,
• increased predictability of the car's behavior on uneven surfaces.

For users who value the classic handling characteristics of the Mercedes W124, this is a solution that allows for maintaining original driving properties without structural compromises.

Repair expansion and selection of related elements

If you are planning a comprehensive repair or upgrade of the suspension and running gear area in your Mercedes and need other elements from the same group, such as hubs, bearings, or bushings, check the available parts in the Mercedes wheel bearings, hubs and bushings category.

When choosing a used component, many drivers have doubts regarding the durability and safety of such a solution. To approach the topic consciously and separate facts from common myths, it is worth reading the article "Used car parts: Myths and facts you need to know", which discusses the most important issues related to the use of pre-owned components in an accessible way.