Ford C600 front and rear side marker bulbs utilize 168, 194, 1895, and 97 bulb sizes depending on location and model variation. The replacement chart covers 1980 to 1986 production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Ford C600 front side marker position uses two distinct bulb types across its model years: the 168 for 1983-1986 and the 194 for 1980 and 1982, with the 1895 specified for 1981.
The 168 and 194 are both T10 miniature wedge bulbs operating at 12V, which means they share the same physical base form factor despite differing in wattage.
The 168 bulb carries a rated output of 4.9W, while the 194 operates at 3.78W. Although both fit a T10 wedge socket, substituting one for the other results in a different light output level.
The 1895 bulb specified for the Ford C600 front side marker in 1981 is a T5 miniature wedge type rated at 12V and 0.9W, making it physically smaller and significantly lower in wattage than either the 168 or 194.
Because the 1895 uses a T5 wedge base rather than a T10, it is not interchangeable with the 168 or 194 despite all three being wedge-style bulbs.
The rear side marker position on the Ford C600 uses three different bulb types across its listed model years: the 194 for 1983-1984, the 168 for 1981-1982, and the 97 for 1980.
The 97 bulb specified for the 1980 rear side marker position is a single-filament type with a BA15s bayonet base, rated at 12V and 13W. Its bayonet mounting style makes it physically incompatible with the wedge-socket positions used in other years.
The 97 is noted as a variant of the 1156 bulb family. At 13W, it draws considerably more power than any of the wedge-type bulbs listed for other positions on the C600.
All four bulb types listed across both positions conform to ANSI standards recognized in both the United States and Canada, indicating standardized electrical and physical tolerances.
The front and rear side marker positions do not consistently share the same bulb type within the same model year, meaning the two positions require independent verification before replacement.