Airbox of a vehicle

The invention relates to a connection assembly for connecting a connection stub of an aggregate with a coupling sleeve of a medium-conducting hose. The connection assembly is distinguished by the fact that a first connection assembly element (12) and a second connection assembly element (14) are provided, wherein the first connection assembly element (12) is designed in such a manner that a sealing seat (20) for a sealing element, in particular an O-ring, is provided and the second connection assembly element (14) is constructed in two parts.