Harley-Davidson FLHC Electra Glide Classic headlight bulbs utilize the H5006 bulb size for both high and low beam functions. The replacement chart covers 1979 through 1981 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.
The H5006 is an ANSI-standardized sealed beam unit used in the United States and Canada, operating at 12 volts.
As a sealed beam design, the H5006 does not contain a replaceable bulb element. When the unit fails, the entire assembly is replaced as one piece.
The H5006 is a 5.75-inch round sealed beam, a form factor historically common in motorcycle headlight applications.
The Harley-Davidson FLHC Electra Glide Classic uses the H5006 for both the high beam and low beam headlight positions across the 1979-1981 model years.
The shared H5006 fitment across both beam positions indicates a single sealed beam unit that serves dual functions rather than separate units for each beam.