Genuine OEM Kia rear shock absorber, part number 55307Q4000. This shock absorber is a critical component of the rear suspension system, responsible for damping spring oscillations and controlling wheel movement to ensure a stable and comfortable ride. It is designed to withstand significant forces and maintain consistent damping performance. The precise calibration and robust construction of genuine OEM shock absorbers are essential for maintaining vehicle handling, stability, and passenger comfort over the long term.