The components under discussion are circular structures affixed to a specific model year and make of a passenger vehicle, facilitating movement. These parts connect to the axle and allow the vehicle to roll, providing the necessary interface between the car and the road surface. Specifically, they pertain to the 1999 iteration of a mid-size sedan manufactured by Toyota, known for its reliability and widespread use.
Properly functioning and maintained rolling elements are essential for vehicle safety, handling, and overall performance. Their condition impacts braking effectiveness, fuel efficiency, and ride comfort. Furthermore, the availability and interchangeability of these parts for a vehicle as common as the described sedan makes maintenance and repair more accessible and potentially more affordable for owners.