Certainteed Window replacement parts

A quick learner from Ocean City, NJ says:
I have some certainteed parts that I need to replace. I have an order ready to go but want to be sure i have the correct parts ID'd.
I have a spring stamped 409 so I'm good with that but these oter parts, I'm not sure about:

All Certainteed numbers:
86180/90 - Spring cover
86170 - Balance Drum
A186160 - Pivot Shoe (old style)

Thanks for your help.

Mark
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Paul from SWISCO responded:
The old style Certainteed shoe is possibly our 15-155. For the other parts you listed, take a look at the related parts for the S170-409. Let us know if your parts match up to those related parts.

If you cannot find a specific replacement part, please submit an image of the part you are looking for so that we can suggest a replacement.
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15-155 : CertainTeed  Pivot Shoe, Old Style
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Price: $6.85
CertainTeed Pivot Shoe, Old Style
26-148 : Vent Latch
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Price: $1.85
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S170-409 : 409 Series 170 Coiled Balance Spring
S170-409
Price: $6.89
409 Series 170 Coiled Balance Spring
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