Genuine OEM Hyundai Crankshaft Belt Sprocket, part number 231202U000. This sprocket is a critical component that transfers rotational motion from the engine's crankshaft to the timing or accessory belt, driving other engine components. It is precisely fitted onto the crankshaft at the front of the engine. Manufactured to exact specifications for optimal belt engagement. Choosing a genuine OEM crankshaft sprocket ensures correct tooth profile, material strength, and precise fitment, vital for maintaining accurate engine timing and preventing catastrophic engine damage.