TFR0048 is a downflow radiator for the Freightliner Business Class M2, model years 2005 to 2007.
The core measures 29.625" high by 26.875" wide, 2" deep. It has a 2" inlet at the right and a 2" outlet at the left. The unit carries an oil cooler at the bottom and no filler neck.
It replaces 46 OEM and aftermarket numbers, among them FRE42, 376761751, 91657. 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.
