The Harley-Davidson FXB Sturgis uses an H5006 bulb size for both high beam and low beam headlight applications. The replacement chart covers 1980 to 1982 production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The H5006 is the sole bulb type listed across all headlight positions for the Harley-Davidson FXB Sturgis, covering both high beam and low beam functions for the 1980-1982 model years.
The H5006 is a 5.75-inch round sealed beam unit operating at 12 volts, conforming to ANSI standards recognized in the United States and Canada.
A sealed beam unit integrates the filament, reflector, and lens into a single non-serviceable assembly, meaning the entire unit requires replacement rather than an internal bulb.
The H5006 serves a dual-position role on the FXB Sturgis, fulfilling both the high beam and low beam headlight functions with the same unit type across all three listed model years.
Because the H5006 is a sealed beam type, fitment is determined by the physical housing of the unit rather than a separate bulb socket, which distinguishes it from vehicles using replaceable halogen or incandescent bulb formats.