TIR0052 is a downflow radiator for the International 9900I, Paystar, model years 2013 to 2026.
The core measures 35.25" high by 40.5" wide, 2.0625" deep. It has a 2.5" inlet at the left and a 2.5" outlet at the right. The unit carries an oil cooler at the bottom grill side and no filler neck.
It replaces 11 OEM and aftermarket numbers, among them 640124, 640124PT, 3753316F94. 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.
