Genuine OEM Hyundai Timing Chain, part number 243212M800. This essential engine component is responsible for synchronizing the rotation of the crankshaft and camshaft, ensuring that the engine's valves open and close at the precise moment relative to piston position. This precise timing is critical for engine efficiency and power output. The chain weighs approximately 0.35 kg. Genuine OEM timing chains are manufactured to exact material specifications and tolerances, providing reliable, long-term performance and preventing catastrophic engine damage.