DOOR ASSEMBLY WITH ASSEMBLED SUPPORT PART AND UPPER PART

A door assembly for a vehicle that includes a support part and a top part mounted on the support part. One of the support part and of the upper part has a welding hole, and the other has a welding boss inserted into the welding hole along a direction of welding. The support part has at least one snap-fit slot. The upper part has at least one clip inserted into the snap-fit slot. The or each snap-fit slot and the or each clip are arranged so as to lock the upper part along a direction of immobilization perpendicular to the direction of welding and in position along the direction of welding.