Genuine OEM Hyundai Cylinder Head Screw Gasket, part number 221282M800. This gasket is designed to create a tight seal beneath a cylinder head screw, preventing fluid leakage and ensuring the screw maintains proper torque. It is installed as part of the engine's cylinder head assembly. Genuine OEM gaskets are engineered with specific materials and tolerances to withstand high engine temperatures and pressures, ensuring a reliable, leak-free seal.