International 4300 high beam and low beam headlight bulbs use 9007 size bulbs for optimal lighting performance. The replacement chart covers 2011 through 2018 vehicle 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 International 4300 uses the 9007 bulb type for both high beam and low beam headlights across all listed model years from 2011-2018.
The 9007 is a dual-filament halogen bulb, meaning a single bulb contains separate filaments for high and low beam functions rather than requiring two separate bulbs per headlight housing.
Because the 9007 serves both beam functions in the International 4300, the high beam and low beam positions share the same replacement bulb specification, simplifying parts sourcing.
The 9007 bulb operates at 65 watts on the high beam filament and 55 watts on the low beam filament, reflecting the greater light output demanded of the high beam setting.
The 9007 uses an HB5 base configuration, which is a specific connector type not shared with other common dual-filament bulbs such as the 9004. Substituting a 9004 in a 9007 socket is not compatible due to differences in the base wiring orientation.
The 9007 and 9004 bulbs are physically similar in appearance, which can lead to incorrect substitution attempts. However, the two types have reversed polarity wiring, making them electrically incompatible despite their outward resemblance.
The consistent use of the 9007 across all listed years of the International 4300 indicates that a single bulb specification covers the entire 2011-2018 model range for headlight replacement purposes.