<p>The connection has a plug-in part (2), a sleeve part (1), a retaining element (8) and a sealing element (4). The retaining element for receiving an axial force on which an end area of a conductor or a component formed as sleeve part is position-fixed axially and radially. The sleeve part has an axial extension (11) at one end. A snap element is connected in the axial extension at one end of the sleeve part of the axial extension, by which an additional axial extension is formed. The plug-in part is manufactured from plastic. An independent claim is also included for a method for realization of a plug connection.</p>