Peterbilt 386 Turn Signal Bulb Size

The Peterbilt 386 front turn signal requires a 3157NA or 2057 bulb size, while the rear turn signal uses a 1157 or 2057 bulb size. The replacement chart covers vehicle production years spanning 2006 to 2016 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

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

YearsUS TypeEU TypeShop
2011-20163157NAPY27/7WCheck Price
2006-200920572057Check Price

Rear Turn Signal

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

YearsUS TypeEU TypeShop
2011-20161157P21/5WCheck Price
2006-200920572057Check Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W.3157NACheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W.2057Check Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157Check Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5WCheck Price

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