The Freightliner Argosy high beam and low beam headlight bulbs both utilize a 9008 bulb size. The replacement chart covers vehicle production spanning 2005 to 2007.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Freightliner Argosy uses the 9008 bulb type for both high beam and low beam headlights across the 2005-2007 model years.
The 9008 bulb, also known as H13, is a dual-filament halogen bulb, meaning a single bulb contains two separate filaments to serve both the high beam and low beam functions within one housing.
Because the 9008 handles both beam functions, the Argosy does not require separate bulb types for high and low beam operation.
The 9008/H13 bulb operates at 12 volts and produces approximately 65 watts on high beam and 55 watts on low beam, which are standard output levels for this bulb type.
The dual-filament design of the 9008 means that a failure of one filament results in the loss of only one beam mode, while the other remains functional.
The 9008 bulb uses a specific three-pronged connector and is not interchangeable with single-filament bulb types such as 9005 or 9006, despite those bulbs being physically similar in some respects.
Substituting a 9005 or 9006 bulb in place of a 9008 would result in the loss of one beam function, as those bulbs carry only a single filament.