The present invention relates to a packaging container (E) comprising a base (2) closed by an overlapping cover (1) used for the storage of automotive parts, particularly, brake discs and/or brake drums, clutch discs, wheel hubs or any other parts with similar shapes for motor vehicles, package (E) being provided with structural ribs (3 and 33) and at least one opening (4), which is sealed by a pressure relief valve (5). Said pressure relief valve (5) comprises a connecting base (50) provided with an opening (500) and a closure lid (51) provided with locking and sealing means (510), which are joined to one another in an articulated way.