Dodge Ram 2500 Turn Signal Bulb Size

Dodge Ram 2500 front and rear turn signal bulbs utilize sizes 3157, 3157NA, 4157NA, 3057, and 1157 depending on location and model variation. The replacement chart covers 1994 to 2010 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.

Front Turn Signal

YearsBulb Size
20103157 (With 2 Headlamps)
3157NA (With 4 Headlamps)
2006-20093157NA
2003-20054157NA
1994-20023157NA

Rear Turn Signal

YearsBulb Size
20103157
20093157 (With 2 Headlamps)
3057 (With 4 Headlamps)
2007-20083157
2003-20063057
20021157
20013157
1999-20001157
19983157
1995-19971157
19943157

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W.3157
ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W.3157NA
ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W.4157NA
ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W.3057
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157

Other Locations