TIR0055 is a crossflow radiator for the International Workstar, model years 2013 to 2026.
The core measures 44.25" high by 37" wide, 2.25" deep. It has a 0" inlet and a 0" outlet. There is no filler neck.
It replaces 6 OEM and aftermarket numbers, among them 640110, 2604144C91, 2604142C91. Searching any one of them will find this part.
On radiators the inlet and outlet positions, and whether the unit carries an oil cooler, decide interchangeability more often than core size does. Two radiators with identical cores are frequently not interchangeable.