Vehicle suspension arm

A suspension arm for a vehicle used in a suspension device of a vehicle, the suspension arm comprising:

• a body portion constituting a basic body of the suspension arm;
• and
• a plurality of mounting portions configured to connect the suspension arm to a wheel-side member or a vehicle-body-side member,
• wherein the plurality of mounting portions include a first mounting portion configured to connect the suspension arm to the wheel-side member, a second mounting portion configured to connect the suspension arm to the vehicle-body-side member, and a third mounting portion,
• an A-bushing is coupled to the third mounting portion,
• the third mounting portion includes a bushing coupling portion on which the A-bushing is mounted, and a fastening portion formed to extend from the bushing coupling portion in one direction,
• the third mounting portion is configured such that the fastening portion is configured to be coupled to a coupling portion formed on one side of the body portion in surface-contact state,
• the fastening portion of the third mounting portion includes coupling plates including an upper plate and a lower plate disposed to be spaced apart from each other,
• the coupling portion of the body portion is coupled between the upper plate and the lower plate of the fastening portion,
• a slip prevention portion configured to prevent a slip of the third mounting portion coupled to the body portion is provided between the fastening portion of the third mounting portion and the coupling portion of the body portion,
• the third mounting portion is configured to slidably move in a direction in which the fastening portion extends from the bushing coupling portion and be coupled to the coupling portion of the body portion, and
• the slip prevention portion includes a protrusion portion formed to extend along the direction in which the fastening portion extends from the bushing coupling portion and a recess in which the protrusion portion is accommodated such that the third mounting portion is prevented from slipping in a direction perpendicular to the direction in which the fastening portion extends from the bushing coupling portion when the third mounting portion is coupled to the body portion.