Cooler for vehicle

A cooler for a vehicle comprising:

• a cooler housing having a cooling water passage therein;
• tubes disposed inside the cooler housing and having exhaust gas passages therein;
• cooling pins arranged inside each of the tubes in a predetermined pattern;
• and
• a cup plate attached to both ends of the cooler housing, including a first core material and a first bonding layer that is bonded to both outer surfaces of the first core material, and having a plurality of slots penetrating the first bonding layer and the first core material in a thickness direction,
• wherein each of the tubes has an end part penetrating each of the plurality of slots and includes a second core material and a second bonding layer that is in contact with an interior surface of each of the plurality of slots,
• wherein the second bonding layer is in contact with the first bonding layer and the first core material, and
• wherein the first bonding layer includes a material having a corrosion potential lower than that of the second bonding layer.