The Ski-Doo Summit 800 X headlight bulb uses a 9003 size for both high beam and low beam functions. The replacement chart covers 2001 through 2010 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 Ski-Doo Summit 800 X uses the 9003 bulb for both high beam and low beam headlight positions across the 2001-2010 model years.
The 9003 is a dual-filament halogen bulb, meaning a single bulb unit contains two separate filaments, one rated at 60W for high beam output and one at 55W for low beam output.
The 9003 operates on a 12V electrical system, which is standard for powersports and automotive lighting applications.
The 9003 uses a P43t base, a bayonet-style mount with a 43mm flange that physically locks the bulb into the headlight housing.
The 9003 designation follows the ANSI standard used in the United States and Canada, making it a regionally defined specification rather than a global one.
Because the same 9003 bulb serves both the high beam and low beam positions, a single replacement bulb type covers both functions in the Summit 800 X headlight assembly.
The 9003 is electrically and physically equivalent to the H4 bulb used under European ECE standards, though the designations differ by region.