The Suzuki Vitara high beam and low beam headlight bulbs both utilize a 9003 bulb size. The replacement chart covers vehicle production spanning 1999 to 2004.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Suzuki Vitara uses the 9003 bulb type for both high beam and low beam headlights across the 1999-2004 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 output and one rated at 55W for low beam output.
Because both the high beam and low beam positions share the same 9003 specification, the Vitara headlight assembly uses a single bulb per side to serve both lighting functions rather than separate bulbs for each function.
The 9003 bulb operates on a 12V electrical system, which is standard for passenger vehicles of this type.
The 9003 designation follows the ANSI standard recognized in the United States and Canada, and the bulb uses a P43t base, which is the physical connector type that locks the bulb into the headlight housing.
The P43t base is a bayonet-style mount with a 43mm flange, and fitment depends on this base type matching the housing socket; bulbs with differing base configurations are not interchangeable with the 9003 position even if their wattage ratings are similar.
The 9003 bulb is also marketed under the designation H4 in international markets, and these two designations refer to the same physical and electrical specification, making them cross-compatible in most applications.