Window Lift Parts

A handy person from Florence, KY says:
June 4, 2017
I have a home that was built in 2005. Many of the window lift springs are going bad right now. Most of the problem is the plastic covers are crumbling away and the debris is jamming up in the springs. I'd like to replace them, but I'm not sure what parameters I need to know to find the right replacements. I've included some pictures. The first is a broken one (left side of window). If I can take some measurements to find out the part or something, please let me know what I need to do. I have about a dozen that I need to replace right now. As far as I can tell, there are no part numbers on the springs.

Thanks,
Dan
User submitted image of their window hardware.
Profile picture of Tom
Tom from SWISCO responded:
June 6, 2017
Thanks for posting, Dan! I would recommend our 15-199 pivot shoe, 15-205 cover, and Series 165 coil springs. I believe this hardware should match up to what you have. You'll need the number on the old spring to confirm the best Series 165 option.
Pivot Shoe, 17/32" Thick
Pivot Shoe, 17/32" Thick
15-199
$3.70
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