Method for producing a suspension arm and suspension arm for a vehicle

Process for manufacturing a suspension control arm 1 for a vehicle, comprising the following steps: - Providing a semi-finished product from an extruded profile with a base web 2, from which two lateral webs 3 project while forming an intermediate space therebetween; - Introducing a receptacle 4 in each of the lateral webs 3; - Inserting a stiffening plate 5, which is held by the receptacles 4; - Deforming the lateral webs 3 to fix the stiffening plate 5 in the receptacles 4.