Ford F-350 Super Duty Side Marker Bulb Size

The Ford F-350 Super Duty side marker uses a 194 bulb size for the lighting component. Data for the specific bulb application covers the range from 1999 to 2004.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Front Side Marker

YearsBulb Size
2021-2023194
2017-2020194 (With Halogen Capsule Headlamps)
1999-2016194

Rear Side Marker

YearsBulb Size
2021-20233157
2017-20203157 (With Halogen Capsule Headlamps)
2011-20163157
2007-2010194
1999-20063157

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194
ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W.3157

Other Locations