Replacement Coil Cover for Simonton Window

A home owner from Missouri says:
Our coil covers are cracking from sun exposure and we would like to replace them. I have attached photos of some that are still intact for measurement and one that has crumbled so you can see the coil mechanism. Can you recommend a replacement part for the coil covers?

Thank you for your help,
User submitted photos of window hardware.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting, Janine! Based on the size of your coils, you may want to look at our 15-150D or our 15-204 double coil spring covers. Let me know what you think!
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