Device for a fuel tank for a motor vehicle

A device for a plastic fuel tank for a motor vehicle, comprising:

• at least one frame;
• a fuel system component;
• and
• at least one movable support means of the fuel system component, said movable support means of the fuel system component being attached to the frame and movable relative to the frame between an initial configuration in which the fuel system component is at a first distance from the frame and a final configuration in which the fuel system component is at a second distance from the frame such that the first distance is smaller than the second distance,
• the frame being provided with means for stopping the movement of the movable support means of the fuel system component when the movable support means of the fuel system component is in the final configuration,
• the fuel being gasoline, and
• the fuel system component being an internal reinforcing element.