I have Sears Weather Beater vinyl windows
This is the bottom window of a small kitchen window
16.75" H X 32.25" W
See: Bottom window Barcode.png
The bottom window has a broken plastic channel spring guide on the right side (from the inside).
I think Left and Right may be the same if the coil is reversed along with the outer plate. Not sure though.
The Coil has "10J" stamped onto it next to the screw.
The Broken White Piece has a "1" stamped onto its side.
Here are the pictures of the part:
See: Rotated 0 Top View Right Side Bottom Window Broken Bottom piece with coiled Spring.jpg
and Rotated 1, Rotated 2, Rotated 3, Rotated 4 jpgs
I am not sure if I can replace only the Broken White Piece.
Thanks
Larry