This is a vintage NOS Ford emergency warning flasher switch assembly with part number SF-552-B. It is designed for various Ford vehicles such as trucks and Mustangs manufactured between 1961 to 1991. The part is labeled with other part number D1FZ-13350-A and manufacturer part number D12B-13350-AA. It is a front placement control switch for lights and flashers, made in the United States. The switch is a genuine Ford product for classic vehicle restoration projects. Possibly used