@themechanicscorner30: Head gasket - a seal between the engine block and cylinder head that keeps combustion pressure in and prevents oil and coolant from mixing. It ensures proper engine compression, cooling, and lubrication—failure can lead to overheating, loss of power, and engine damage. Follow for more Auto tips. follow & like FB page 👉 #themechanicscorner #marscottech #CARinfo3D #autopartsshop.com