Lower arm for vehicle suspension

A lower arm for an automotive vehicle suspension, the lower arm comprising:

• a plate-like main body part,
• wherein the main body part includes:
• a first mounting portion extending inward in a vehicle width direction and attached at a distal end thereof to a vehicle body side;
• a second mounting portion extending inward in the vehicle width direction and attached at a distal end thereof to the vehicle body side on a rear side of the vehicle body with respect to the first mounting portion;
• and
• a third mounting portion extending outward in the vehicle width direction and attached at a distal end thereof to a wheel side,
• wherein a second portion between the first mounting portion and the second mounting portion of the main body part is configured to be fragile against an input from a front side of the vehicle, compared with a first portion between the first mounting portion and the third mounting portion of the main body part,
• the second portion includes:
• a first weakened portion in which a width of the main body part decreases as the position approaches from the first mounting portion to the second mounting portion,
• a second weakened portion formed in the first weakened portion and extending, as a recess of the main body part, in the vehicle width direction, and
• the second weakened portion is formed on the inside of the first weakened portion in the vehicle width direction.