This Avantco 17816886 left hinge glass door is a direct replacement for the one that came standard on your Avantco back bar refrigerator. If your door is damaged or not shutting properly and replacing smaller components like a hinge or gasket is no longer an option, this door assembly will allow you to get your unit working properly again. It's compatible with Avantco UBB-378-G-HC glass door back bar refrigerators.