Most American cars fit the original factory radio from behind the dash. A bezel is a trim piece that slides onto the RetroSound® radio display face to fill the gap between the radio and the factory radio opening. The radio and bezel are loaded from behind the dash and secured.

Most European vehicles would use a faceplate. A faceplate is an outer trim piece that is mounted to the front of the dash and secured with shaft nuts.

Here are some examples…