A securing device for axially connecting a sleeve-shaped end section of a first fluid line part to an end section, which is designed as a pointed end, of a second fluid line part includes a clamping body which is of annular design and has a passage opening for insertion of the second fluid line part, at least one retaining element of a hook-shaped design, and at least one spacer of web-shaped design, wherein the at least one retaining element and the at least one spacer are both integrally formed with the clamping body and extend in the same axial direction.