Genuine OEM Volkswagen Camshaft, part number 027109022G. This camshaft is a critical component of the engine's valve train, responsible for opening and closing the intake and exhaust valves at precise intervals. It features lobes that actuate the valvetrain components. Proper camshaft function is essential for engine performance, fuel efficiency, and emissions control. Genuine OEM camshafts are manufactured to exact tolerances for reliable operation and longevity.