Sliding door parts for home built in 1969

A handy person from Sarasota Florida says:
My bypass sliding doors are old but actually in pretty good shape. They are original aluminum and rolling pretty smooth. I noticed the top of the doors wobble from side to side and bang around a bit and the white plastic top guide are cracked and broken. It also seems the round bumpers are missing. I have included a few photos and would love your help identifying what is needed to fix the issue. Thanks Matt
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Tom from SWISCO responded:

Hello, Matt! Your guide appears similar to our 80-045, but look it over and see what you think.

I'm not sure what kind of bumper your door used originally, but we sell two generic types that might be worth considering: our 80-007 and 80-022B

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