This Avantco 17818742 top left door hinge is a perfect replacement for the one that came with select GD-ICE-49-F, GDC-69-HC, GDC-49F-HC, GDC-40-HC, and GDC-40F-HC series units. It is a vital part of your unit's door assembly, working to create a firm door seal and keep the cabinet set to the right temperature. A broken or malfunctioning door hinge can prevent your unit from maintaining specifications and cause strain on other components, so be sure to replace it promptly.