Fixing frame, heat exchanger and vehicle

The frame (1) has a U-shaped profile (3) provided with a forehead and two brackets (7, 9). Fastening units are provided for a heat exchanger (10) and/or the U-shaped profile, where the U-shaped profile is formed in form of a hollow profile from aluminum. The profile is formed with a reinforcing acting supporting structure under formation of inner hollow cavities of the hollow profile. The U-shaped profile includes a connecting duct for connecting the U-shaped profile with the frame. An independent claim is also included for a heat exchanger arrangement comprising a heat exchanger.