Ford Focus Mk2 Front Lower Control Arm Wishbone Right O/S Delphi TC2253

Visual condition of the part

The product shows signs of use visible in the photos.

Ford Focus Mk2 Front Lower Control Arm Wishbone Right O/S Delphi is a component from the Control arms and ball joints category, designed for the front suspension on the driver's or passenger's side, depending on the O/S (Offside) market designation. The design, based on Delphi's engineering, ensures stable wheel handling, precise geometry maintenance, and predictable vehicle behavior during braking and cornering.

Specifications and technical data

• SKU: 4M51-3A423-AF
• Mark: Unbranded
• Condition: Used
• OEM Part Number: 4M51-3A423-AF
• Substitutable numbers: 4M51-3A423-AF, 4M513A423AF, 1570284, TC2253, Delphi
• Location on the vehicle: Front, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

This front right control arm is responsible for guiding the steering knuckle relative to the body and controlling the wheel position in both longitudinal and transverse planes. Thanks to the correct arm geometry and the integrated ball joint, the component stabilizes the wheel during acceleration, braking, and driving over uneven surfaces.

Its placement in the front right section of the vehicle allows for direct replacement of a worn component without interfering with other suspension parts. The appropriately selected structural rigidity supports the maintenance of correct toe and camber angles, which translates into even tire wear and predictable steering system responses.

Construction and technical compatibility

The control arm is based on a Delphi solution, which means a design consistent with the factory specifications of the Ford Focus Mk2 suspension system. The integrated ball joint provides a rigid yet flexible connection to the steering knuckle, minimizing play and unwanted vibrations in the steering system.

The component is designed as a lower front suspension arm for the right side, with geometry matched to the original mounting points on the body and steering knuckle. This ensures predictable installation, and after replacement, it is possible to precisely set the wheel geometry according to the vehicle manufacturer's recommendations.

Benefits of use and operational aspects

Using this control arm in a Ford Focus Mk2 helps restore proper suspension operation when symptoms such as the following occur:

• knocking or play in the front of the vehicle when driving over bumps,
• uncertain handling and "wandering" of the front end,
• uneven tire tread wear,
• impaired stability during braking and lane changes.

A properly selected control arm from the Control arms and ball joints group helps to reduce these issues, improving driving comfort and safety. The component allows for an economical repair while maintaining a design consistent with the original suspension project.

Professional installation and service recommendations

Due to its key role in wheel guidance, installation by a workshop equipped with the appropriate tools and the capability to perform geometry alignment is recommended. After installing the control arm, it is advisable to:

• check the condition of other components in the control arms and ball joints group,
• verify that there is no play in the bolted connections,
• perform measurement and adjustment of front wheel alignment.

This approach allows you to fully utilize the potential of the newly installed component and limit premature wear of tires and other suspension parts.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the suspension area in your Ford and need other elements from the same group, such as additional control arms, ball joints, or mounting hardware, check the available parts in the Control arms and ball joints Unbranded category.

For a better understanding of how the suspension works and the impact of control arms on safety and driving comfort, it is worth consulting our guide. Practical tips on diagnostics and maintenance can be found in the article "Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers", which discusses typical signs of wear and the importance of correctly selected components in various car models.