Control Arm

A control arm connects the wheel hub and steering knuckle to the frame of the vehicle. They are typically equipped with bushings on the frame side of the vehicle and a ball joint on the wheel side of the vehicle that allow flex and controlled movement according to road conditions and steering input from the driver.

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Product Details

Control arms, also known as A-arms or wishbones, are crucial components of a vehicle’s suspension system. They play a vital role in connecting the suspension to the vehicle’s frame and wheels. Here’s how they work and why they’re important:

  1. Suspension Attachment: Control arms attach the suspension system to the vehicle’s frame or body structure. They pivot at both ends, allowing the suspension to move up and down smoothly while maintaining the wheel’s alignment with the road surface.
  2. Wheel Movement Control: Control arms dictate the motion and position of the wheels. They help control the vertical movement of the wheels over bumps and dips in the road, providing stability and comfort to the vehicle’s ride.
  3. Impact Absorption: When you hit a bump or pothole, the control arms absorb some of the impact, reducing the shock transferred to the vehicle’s frame. This helps improve ride quality and prevents excessive wear on other suspension components.
  4. Wheel Alignment: Control arms are critical for maintaining proper wheel alignment. They ensure that the wheels remain perpendicular to the road surface, which is essential for safe handling, tire wear, and fuel efficiency.
  5. Support for Suspension Components: Control arms support other suspension components such as the coil spring, shock absorber, and sway bar. They provide a stable platform for these parts to work effectively in controlling the vehicle’s motion.

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