Ford B-800F Headlight Bulb Size

Additional Notes

• The Ford B-800F used two distinct headlamp system types across the 1995-1998 model years: a sealed beam configuration with 2 rectangular headlamps and a composite headlamp configuration, each requiring a different bulb type.
• The H6054 is a 5x7-inch rectangular sealed beam unit conforming to ANSI standards applicable in the United States and Canada. Because the light source is permanently enclosed within the unit, the entire assembly is replaced rather than an individual bulb.
• The 9007 is a dual-filament halogen bulb with a PX29t base, rated at 12V with a wattage of 65W on the high beam filament and 55W on the low beam filament. It also conforms to ANSI standards for the United States and Canada.
• Because the 9007 carries both high and low beam filaments within a single bulb, it serves both the high beam and low beam functions simultaneously in composite headlamp systems, as reflected in the specifications for the B-800F.
• The H6054 sealed beam unit similarly covers both high and low beam functions in the 2-rectangular-headlamp configuration, with the same unit listed under both sub-parts across all four model years.
• The H6054 and 9007 are not interchangeable. The sealed beam system and the composite headlamp system use physically and electrically incompatible components, and the correct bulb type is determined strictly by which headlamp system is installed on the vehicle.