Genuine OEM Kia Exhaust Camshaft, part number 2420003050. This critical engine component controls the precise opening and closing of the exhaust valves, ensuring efficient expulsion of combustion gases and optimal engine performance. It is located within the cylinder head, driving the exhaust valve train. Choosing a genuine OEM camshaft ensures factory-specified lobe profiles, material hardness, and surface finish for accurate valve timing and long-term durability, preventing premature wear and maintaining engine efficiency.