VEHICLE SUSPENSION ARM

[Problem] To provide a vehicle suspension arm which can be produced at a low cost and in which the shape of each constituent component can be simplified and the size and weight of the constituent components can be logically reduced. [Solution] When forming the lower arm (2) of a vehicle suspension, an arm main body (10) is configured from a pair of opposing side plates (11), a bottom plate (12) integrally formed with both side plates (11) so as to connect same, and a spring receiving seat member (13) attached to the side plates (11), wherein both side plates (11) are disposed so as to extend within the bottom region (R) of the spring receiving seat member (13).