TMC0001 is a charge air cooler for the Mack RD, model years 1987 to 1992.
The core measures 30.125" high by 25.75" wide, 2.25" deep. It has a 4" inlet and a 4" outlet.
It replaces 52 OEM and aftermarket numbers, among them 25154148, 5036, 5036N. Searching any one of them will find this part.
On charge air coolers the inlet and outlet positions and the boot diameters matter as much as the core. A cooler that fits the opening but presents its connections on the wrong side will not plumb up.