Viking window balance replacements

A home owner from USA says:
I need to order four 29 " x 1/2" channel balances for my non tilt 1980's viking aluminum windows, but I don't know which one to order, 380 or 383. I also need four top sash guides. I ordered a sash guide from you a year ago, but it was the wrong size. I'm attaching pictures, but the shoe and balance are both broken in the pictures I am sending.
User submitted photos of window hardware.
Profile picture of Tom
Tom from SWISCO responded:
Hello! Please see our 18-009 top sash guide and Series 395 channel balance. I think these can work for you but see what you think.
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