Genuine OEM Hyundai Timing Belt Tensioner Assembly, part number 243702U002. This assembly is crucial for maintaining the correct tension on the engine's timing belt, ensuring precise synchronization of the camshafts and crankshaft. Proper tension prevents belt slippage and premature wear, which are vital for engine performance and longevity. Weighing 0.535 kg, this genuine OEM tensioner provides factory-specified spring force and bearing quality for reliable, long-term operation of the timing system.