Plastic part keeping the window with rhe spring

A home owner from Cape Coral, FL says:
I have several plastic parts broken and the spring can't work properly.
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
This top sash guide might match our 18-161, but it's hard to be sure based on your pictures. Carefully look it over to confirm if it's the same as yours.
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