I just purchased 2 window balances 390 series 1810 they fit perfectly but only 1 side works i realized the right window guid was broken can you tell from these pictures what part number I need
Top window sash guide
Handy Person from 10461
Apr 7, 2026 10:01 pm
5 user uploaded images
2 Replies
Jasmine from SWISCO
Apr 9, 2026 2:43 pm
Hello,
Thanks for reaching out again! This appears to be the 18-032 Top Sash Guide. To confirm that this is the right replacement match, you'll need to look over the dimensions and compare them to an undamaged guide.
These are available in white.
Front view of 18-032
Side view of 18-032
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