TPR0015 is a downflow radiator for the Peterbilt 382, model years 2008 to 2015.
The core measures 30.5" high by 39.4375" wide, 2" deep. It has a 2.5" inlet at the left and a 2.5" outlet at the right. There is no integral oil cooler and no filler neck.
It replaces 9 OEM and aftermarket numbers, among them 770038, 770038ST, 238718. 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.