High pressure power steering hose

The hose is screwed into the rack and pinion steering gear. If you see a rubber o-ring on that end of the new hose, that end is allowed to swivel, so do not over-tighten it in an attempt to stop that. Always thread the soft metal line nuts in at least two or three turns by hand to insure they are not cross-threaded. If you need a wrench right away, it is cross-threaded and will damage the steering gear.