Replacement wheel assembly

Quick Learner from New Jersey
Hello! I need to replace the wheel assembly of a sliding glass door. House built in 1999 original door. No manufacturer markings. Pics attached.

Is there a way to determine what assembly I need without removing the door assembly so I have the part on hand to fix it. Thx for your assistance! David
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Tom
Tom from SWISCO
SWISCO
Expert

Hello, David. Unfortunately, there's no way to ID a replacement roller without seeing it removed first. That is a necessary first step.

Once the roller is out, please show it to us from the back, top, and sides. Written dimensions would also be a big help.

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