The International 1210 uses H6024 bulb size for both high beam and low beam headlight applications. The replacement chart covers vehicle production spanning 1971 to 1973.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The H6024 is a 7-inch round sealed beam unit operating at 12 volts. It conforms to ANSI standards as recognized in the United States and Canada, meaning its physical and electrical characteristics follow a regulated specification rather than a proprietary design.
As a sealed beam unit, the H6024 does not contain a replaceable bulb element. When the light fails or output degrades, the entire unit is replaced as a single assembly.
The International 1210 uses the H6024 for both the high beam and low beam headlight positions across the 1971-1973 model years. A single bulb type therefore serves both lighting functions on this vehicle.
Because the H6024 is an ANSI-standardized sealed beam, units from different manufacturers that carry the same designation are generally interchangeable, provided they meet the same voltage and physical specification.