Ferrari F40 side marker bulbs utilize a 194 size for both front and rear positions. The replacement chart covers 1990 to 1992 production years with corresponding bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The 194 bulb is the sole bulb type specified for the Ferrari F40's side marker system, appearing in both the front and rear positions across the 1990-1992 model years.
The 194 bulb follows the ANSI standard, meaning it conforms to a North American classification system used in the United States and Canada.
The 194 is a miniature wedge-base bulb, designated T10, which refers to its tubular glass envelope measuring 10 units in eighths of an inch in width. The wedge base design means the glass pinch itself acts as the base, with no separate metal cap.
The 194 operates at 12 volts and draws 3.78 watts, placing it in the low-wattage range typical of marker and courtesy lighting applications.
The front and rear side marker positions on the Ferrari F40 share an identical bulb specification, meaning the 194 is interchangeable between both locations on the vehicle.