Replacement Rollers needed for Milgard Windows from 2003

A home owner from California says:
When calling Milgard, I asked about the replacement part for the silding windows rollers and they gave me their part number of IM6657MI. When looking at your part number, 87-201, that sort of looks like these, except it doesn't have the option to move the wheels to a higher location.
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Emily from SWISCO responded:

Hi there!

It's tough to say while your roller is installed, but our 87-201 does look like your original. Just be sure to compare our dimensions to yours to ensure they match up. If the dimensions indeed match up, you should be good to go. 

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