Genuine OEM Hyundai Inlet Valve Guide, part number 221142U000. This precision-machined component is pressed into the cylinder head and serves to guide the stem of the intake valve, ensuring smooth and accurate valve operation. It helps maintain proper valve alignment and reduces wear between the valve stem and the cylinder head. Using a genuine OEM valve guide ensures the correct material composition, precise dimensions, and surface finish, which are crucial for optimal valve sealing, heat transfer, and long-term engine durability, preventing excessive oil consumption and loss of compression.