VEHICLE HEAT EXCHANGER

摘要

A positioning protruding portion (86b) that protrudes toward a fluid side cup plate (81) side and is to be fitted into a positioning hole (81a) formed through the fluid side cup plate (81) is formed in a base plate (86) in a position opposite, in the stacking direction, fluid flow hole portions (80b, 82b) formed in cup plates (80, 82) for introducing fluid (Fld) into a fluid flow layer (90) that contacts the base plate (86).