Genuine OEM Hyundai Oil Drain Plug Gasket, part number 2151323001. This sealing ring is crucial for creating a tight, leak-free seal between the oil drain plug and the oil pan, preventing engine oil leaks during and after oil changes. It is installed on the oil drain plug, typically at the bottom of the engine oil pan. Weighing approximately 0.01 kg, this small but vital component ensures proper engine lubrication. Using a genuine OEM gasket guarantees the correct material composition and dimensions for a perfect seal and long-term reliability, preventing costly oil leaks.