SUSPENSION ARM FOR VEHICLE

摘要

[Solution] In a suspension arm (1), provided between a second inward flange (82) extending between at least a concave wall part (81) and an inner wall (53) of a second vehicle body attachment part (A2), and an outward flange (90) extending across the concave wall part (81) of a third vertical wall (80) and a rear wall (42) of a first vehicle body attachment part (A1), is a flange-switching part (100) with which the outward flange (90) and the second inward flange (82) are switched between each other, the flange-switching part (100) corresponding to the section hanging down from the lower side of the concave wall part (81) without folding the lower end.