Protector unit and wire harness

A wire harness comprising:

• a wiring member having conductivity;
• and
• a protector unit externally mounted on the wiring member, wherein
• the protector unit includes
• a clip including an insertion space portion into which a plate-shaped rib on a vehicle side is inserted along an assembly direction;
• and
• a protector including a protector body that supports the clip so as to be movable between a temporary locking position and a final locking position along the assembly direction, a temporary locking portion that is provided in the protector body and holds the clip at the temporary locking position, and a final locking portion that is provided in the protector body and holds the clip at the final locking position, wherein
• the clip moves from the temporary locking position toward the final locking position by going over the temporary locking portion along the assembly direction as the rib is inserted into the insertion space portion in a state of being held by the temporary locking portion, and is locked to the rib by being pressed, by the temporary locking portion having returned to a free state, from both sides in a width direction intersecting the assembly direction.