Open and close your GDS47 refrigerated merchandiser's doors smoothly and efficiently by replacing a worn out door roller with this one! This Avantco 17814632 replacement door roller works with your sliding door merchandiser to keep the unit's doors working properly so that you can keep your business running without interruption. This small roller mounts on the side opposite the door handle. For the best performance it's recommended to replace both the small and large roller (sold separately) at the same time.