Abstract: A sealing grommet for a sealed feedthrough of a strand-shaped element through a wall, in particular for a cable feedthrough for the automotive sector, is configured for insertion in an installation direction into an opening, bordered by the wall and with a predefined opening width. The sealing grommet has a grommet body with a push-through area which extends in the installation direction and which is fed through the opening in the installation direction during installation, in such a way that it engages behind the wall in the installed state. An auxiliary element facilitating the insertion into the opening is provided, which has a circumferential sliding area containing at least one sliding surface, and wherein the at least one sliding surface bears at least partially on a circumferential surface of the push-through area.

Abstract: A cable harness is surrounded in certain regions by a sheath made of a casting compound. In order to ensure a defined delimitation of the casting compound, even if there is an insert part protruding from the sheath, the method for sealing a tool opening provides that a pressure element is pressed in the radial direction against the insert part. The insert part is clamped between the pressure element and a support element, and the support element remains in the cable harness as a consumable element. The insert part is particularly designed as a heat protection element. The cable harness is used particularly in a thermally stressed environment for a motor vehicle.