Genuine OEM Toyota Cylinder Head Gasket, part number 1121347050. This gasket is crucial for sealing the cylinder head to the engine block, preventing combustion gases from escaping and coolant/oil from entering the combustion chambers. It sits between the cylinder head and the engine block. Made from durable composite materials designed to withstand high temperatures and pressures. Genuine OEM gaskets provide exact tolerances and material composition for reliable sealing and long service life.