Abstract: The invention relates to a heat exchanger for motor vehicles, comprising: a core (2) comprising a tube bundle of open ends stacked tubes (3) and comprising a top and a bottom extreme tubes (3a,3b); headers (4,5), each having a shaped flange (4a,5a) with corners (4b,5b) and being connected with open ends of the tubes (3,3a,3b); and side housing parts (6, 7) situated on opposite sides of the core (2) and extending at least partly between the extreme tubes (3a,3b) and between the header (4,5).

Abstract: The invention relates to a heat exchanger for motor vehicles, comprising: a core (2) comprising a tube bundle of open ends stacked tubes (3) and comprising a top and a bottom extreme tubes (3a,3b); headers (4,5), each having a shaped flange (4a,5a) with corners (4b,5b) and being connected with open ends of the tubes (3,3a,3b); and side housing parts (6, 7) situated on opposite sides of the core (2) and extending at least partly between the extreme tubes (3a,3b) and between the header (4,5).

Abstract: A heat exchanger comprising a tank (10) and a collector (30) assembled together, the tank (10) comprising a foot (11) and the collector (30) comprising a foot receiving surface (33), wherein the foot (11) comprises a groove (16) in which a gasket (20) is placed, and which groove (16) is faced by a foot receiving surface (33) so that together they form a closed cavity within the foot (11) defining a compression volume for the gasket (20), and wherein the foot (11) comprises a compression arrangement providing a filling rate ? of the compressed gasket (20) after assembly less than 100% of the compression volume.