Genuine OEM Hyundai Cylinder Head Gasket, part number 223112U001. This vital engine component is designed to create a robust, leak-proof seal between the cylinder head and the engine block, ensuring optimal engine compression and preventing the mixing of oil and coolant. It is typically a multi-layer steel (MLS) design for durability. Using a genuine OEM gasket ensures precise fitment and material composition for reliable, long-lasting engine performance.