Window parts needed

A professional from Palm Bay Florida says:
Hi I am replacing the top guides and spring/block and tackle hardware for (2) windows the actual window frame aluminum is 5/8 in cross-section, and the spring-channel part is 3/8"...I have included pictures but let me know if you need more...
Thanks Rob
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting. If your balance channel is 3/8" wide, see our Series 800 replacement channel balance. I think this could be a good match. I'm not sure about the broken top sash guide in your first picture, but chances are it's a match for our 18-036. I recommend removing yours and comparing its style and dimensions to our pictures to confirm.
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