Genuine OEM Toyota cylinder head gasket, part number 1111526052D0. This gasket creates a seal between the cylinder head and the engine block, preventing combustion gases from escaping and coolant or oil from entering the combustion chambers. It is a critical component for maintaining engine compression and preventing fluid contamination. Made from high-quality materials designed to withstand extreme temperatures and pressures. Genuine OEM gaskets are engineered to exact tolerances, ensuring a perfect fit and reliable sealing for long-term engine health.