Radiator Core Size: The height and width of the central part of the radiator, between the tanks and the side pieces. Consists of parallel rows of tubes and fins.
Rows: The number of rows refers to the number of parallel rows of tubes in the core.
Transmission Oil Coolers: Trucks with automatic transmissions require radiators
equipped with a transmission oil cooler. Radiators with oil coolers are also used on manual transmission trucks. The oil cooler portion is simply not used.