A mounting bracket is shown for use with a heat exchanger core including spaced-apart tubes having peripheral flanges surrounding a manifold. The bracket has a clip and a pair of bearing portions. The clip has a groove adapted to engage the front edge of a selected flange. The bearing portions are connected to the clip and positioned to engage, respectively, the back edge portions of adjacent flanges disposed above and below the selected flange, thereby to grip the core by the tube peripheral flanges. A panel portion is connected to the clip for mounting the heat exchanger core.