Peterbilt 386 License Plate Bulb Size

The Peterbilt 386 license plate light requires a 67 bulb size for proper installation and function on the vehicle. Data for the specified component covers the range from 2006 to 2009.

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

Bulb Size by Year Range

Years	Bulb Type	Shop
2006-2009	67	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W.	67	Check Price

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Additional Notes

The ANSI 67 bulb is the sole license plate bulb type listed across all recorded model years of the Peterbilt 386, spanning 2006-2009.
The 67 bulb operates on a 12-volt electrical system and draws 8 watts, placing it in the lower-wattage range of the BA15s bayonet base family.
The BA15s designation indicates a single-contact bayonet base, meaning the bulb seats and locks via two side pins aligned on the same plane with a single contact point at the base tip.
The 67 is a single-filament bulb, which is standard for license plate applications where no switching between brightness levels is required.
The 67 bulb is a lower-wattage variant of the 1156, sharing the same BA15s bayonet base. Despite this physical compatibility, the two bulbs are not electrically interchangeable due to the wattage difference, as the 1156 operates at approximately 26.9 watts.
The ANSI 67 standard is recognized in both the United States and Canada, reflecting a shared regulatory framework for bulb classification across North American markets.