Genuine OEM Kia CVVT Actuator Assembly, part number 243502B600. This sophisticated engine component is central to the Continuous Variable Valve Timing (CVVT) system, which dynamically adjusts the opening and closing of engine valves. By precisely altering valve timing, it optimizes engine performance across various RPMs, improves fuel efficiency, and reduces emissions. This metal, cylindrical assembly includes a gear for integration into the timing system. Weighing approximately 0.66 kg, it is a complex mechanical and hydraulic unit. Choosing a genuine OEM CVVT actuator ensures factory-calibrated precision, correct hydraulic operation, and material quality, which are essential for the intricate demands of modern engine valve timing systems.