A rubber air spring is a suspension system component that combines rubber materials and air pressure. It adjusts suspension stiffness and travel by inflating and regulating the pressure of the internal air chamber. Rubber air springs effectively absorb road impacts, providing a smoother driving experience and reducing the impact of vibrations on the vehicle and its occupants. Compared to traditional metal springs, rubber air springs offer better flexibility and adaptability, allowing for adjustments to suspension performance based on different loads and road conditions. Furthermore, rubber air springs are simple in structure, lightweight, and have low maintenance costs, making them widely used in trucks, commercial vehicles, and modified vehicles.