Which suspension component directly impacts wheel alignment?

The control arms are crucial components of a vehicle's suspension system that directly impact wheel alignment. They connect the vehicle's chassis to the wheels, allowing for controlled movement and articulation of the wheel during various driving conditions. The positioning of control arms affects the angles of the wheels, such as camber, caster, and toe, which are essential for proper wheel alignment.

When control arms are bent, worn, or improperly installed, they can lead to misalignment of the wheels. This misalignment can cause uneven tire wear, poor handling, and impaired vehicle safety. Thus, maintaining the integrity and correct positioning of control arms is vital for ensuring optimal wheel alignment and overall vehicle performance.

In contrast, brake pads, struts, and driveshafts serve different functions. Brake pads are part of the braking system and do not influence wheel alignment, while struts, though important for vehicle stability and handling, play a secondary role in alignment compared to control arms. The driveshaft transmits power from the transmission to the wheels and is unrelated to the alignment of the wheels.