Genuine OEM Hyundai Timing Chain Cover Tapered Plug, part number 2113303000. This small but crucial component is designed to seal specific openings within the engine's timing chain cover. Its primary function is to prevent oil leaks from the engine and to protect internal components from dust, dirt, and moisture ingress. The plug is precisely engineered to fit securely into its designated port on the timing chain cover. Using a genuine OEM tapered plug ensures the correct dimensions, material composition, and sealing properties, which are essential for maintaining engine oil pressure and preventing costly leaks and contamination.