Genuine OEM Hyundai Crankshaft Damper Pulley, part number 231242B020. This vital engine component is designed to reduce torsional vibrations from the crankshaft and drive various accessory belts, such as the alternator and power steering pump. It is mounted at the front of the engine, directly on the crankshaft. Constructed from durable metal with an integrated rubber damper, it weighs approximately 1.4 kg and has a diameter of about 170mm. A genuine OEM damper pulley ensures precise balancing, correct harmonic dampening characteristics, and robust construction for reliable engine performance and accessory drive.