Peterbilt 348 Turn Signal Bulb Size

Peterbilt 348 front turn signal bulbs use 3157NA size while rear turn signal bulbs use 1157 size. Replacement chart data covers 2010 through 2017 vehicle 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.

Front Turn Signal

YearsBulb Size
2010-20173157NA

Rear Turn Signal

YearsBulb Size
2010-20171157

Bulb Specifications

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

Other Locations

Additional Notes