A switching device for influencing the air current in at least one air intake channel (4) of an internal combustion engine is provided, wherein the switching device comprises: at least one switching unit (1) having at least one switching element (2) and used for at least partially closing and opening at least one intake channel (4); wherein the switching unit (1) has a housing (5) received in a cylinder head (6) of the internal combustion engine, and a gap, especially an air gap, is between the housing (5) and the cylinder head (6) in a radial direction.