Control arm bushings are rubber or polyurethane components that connect the control arms of a vehicle's suspension system to the chassis. They help absorb shocks and vibrations while allowing for controlled movement of the suspension, which improves ride quality and handling. These bushings play a crucial role in maintaining proper wheel alignment and stability. Over time, they can wear out or become damaged, leading to issues like noise, poor handling, and uneven tire wear. Regular inspection and replacement of control arm bushings are essential for optimal vehicle performance and safety.