Genuine OEM Hyundai Inlet Valve Guide, part number 221142M000. This precision-engineered component is vital for the proper function of the engine, guiding the inlet valve's movement within the cylinder head to ensure accurate timing and sealing. It is pressed into the cylinder head. Choosing a genuine OEM valve guide ensures the correct material composition and precise internal diameter, which are crucial for valve longevity, optimal engine performance, and preventing excessive wear.