sears window pivot shoe replacement part needed

A handy person from dfw says:
We have Sears windows and a plastic part is broken. It's the part that slides along the side of the window and keeps it in place when sliding the window up and down. It broke in half, so my picture only shows half; the other half is still in the window. I'm not sure what it is called. Thanks for your help. I need at least 2 but may buy more for future problems. Sorry the pics are blurry. Thanks.
User submitted photo of broken sears window hardware.
Profile picture of Donna
Donna from SWISCO responded:
Good Morning,

Take a look at the Swisco 15-192 CertainTeed Pivot Shoe.
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