Genuine OEM Hyundai Cylinder Head Gasket, part number 223112F100. This crucial component creates a high-pressure seal between the cylinder head and the engine block, preventing combustion gases, coolant, and oil from mixing or escaping. It is a multi-layer steel (MLS) type gasket, measuring approximately 233mm long, 126mm wide, and 3.75mm thick, with a weight of 0.46 kg. Opting for a genuine OEM cylinder head gasket ensures precise sealing characteristics and material composition, vital for maintaining engine compression and preventing catastrophic fluid leaks.