Ski-Doo Grand Touring 500 high beam and low beam headlight bulbs both utilize a 9003 bulb size. The replacement chart covers 2002 to 2003 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 9003 bulb is the sole bulb type listed across all headlight positions for the Ski-Doo Grand Touring 500, covering both the 2002-2003 model years.
The 9003 is a dual-filament halogen bulb, meaning a single bulb contains two separate filaments: one rated at 60W for high beam operation and one at 55W for low beam operation.
Because the 9003 serves both the high beam and low beam positions, the same physical bulb handles both lighting functions rather than requiring separate single-filament units for each role.
The 9003 operates on a 12V electrical system, which is standard for powersports and automotive applications of this type.
The 9003 uses a P43t base, a bayonet-style mount with a 43mm flange that indexes the bulb in a fixed rotational position to align the filaments correctly within the reflector housing.
The 9003 designation follows the ANSI standard as used in the United States and Canada. It is functionally equivalent to the H4 bulb used under international IEC standards, though the two designations originate from different standardization bodies.
The P43t base of the 9003 is not interchangeable with single-filament bases such as the P14.5s or P15d, which are found on bulbs like the H1 or H7, making cross-substitution with those types incompatible without modification.