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Rack and pinion is a type of steering mechanism utilized in the automotive undercarriage, more specifically within the suspension system. It is a key component that facilitates the conversion of rotational motion into linear motion, enabling precise vehicle control. The rack and pinion system consists of a circular gear, known as the pinion, which meshes with a linear gear, referred to as the rack. As the steering wheel is turned, the pinion rotates, causing the rack to move either left or right, thereby directing the vehicle's wheels in the desired direction. This system not only enhances the overall driving experience but also contributes to improved safety and maneuverability.