A piping (1) for guiding a fluid within a drive train unit (G) of a motor vehicle includes a pipe (R). A stop (R1A) is formed at a first end (R1) of the piping (1). A sealing element (R2D) is provided at a second end (R2) of the piping (1). The sealing element (R2D) acts as an axial seal. In order to improve a sealing effect of the sealing element (R2D), the piping (1) is loaded along an extension direction of the piping (1). A drive train unit (G) for a motor vehicle including such a piping (1) and a method for installing such a piping (1) into such a drive train unit (G) is also provided.