The present invention relates to a front door quad portion of a vehicle, and more particularly, to a front door quad portion of a vehicle which improves the occupant's safety by reducing the indoor penetration of the front door quad portion equipped with a side mirror during side collision. will be.;The front door quad part of the vehicle of the present invention has an outer panel 2 positioned outside, an inner panel 3 positioned inside the outer panel 2, and one end of the inner side of the inner panel 3. The coupling part 5 which is welded and extends a predetermined length toward the outer panel 2, and is bent upwardly from the coupling part 5 to be coupled between the inner panel 3 and the upper coupling part of the out panel 2. The front door quad part including a quad reinforcement panel 4 having a bent part 6 and a mirror mounting part 7 which is extended upwardly from the bent part 6 and is attached to the side mirror 7. In 1), the shock absorbing means 10 is bent several times with the cushioning material 20 interposed inside of the out panel 2 and welded to a predetermined position of the quad reinforcement panel 4 by welding.
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