Hello - I figured out what the part is. It is an end-cap that snaps on the piece that lets you pull down the window.
But I can't for the life of me figure out why, now that I have unlocked and opened the windows for the first time this spring to get fresh air, I can't get the top pane all the way back up - I can't find any obstructions, and they keep sliding back down.
These are champion double hung, double pane, tilt and clean windows.
Any help appreciated!
Thanks for posting! Sounds like a problem with your window balances. I'm not sure that plastic piece is the issue. Please tilt your window in and show us a few pictures of the balance (located on either side of the window) and we can work from there. We may have more questions, but let's start here.
I'm confused - Champion Windows is still in business as far as I know - but I can't get parts for these windows? Could you just explain a little more? Thanks! - Mike
Champion actually doesn't manufacture that tilt shoe and end caps. They were buying them from another company that are no longer in business for use in their windows. I know it's confusing, but you see that kind of situation a lot in this industry!
I bought the tilt shoes you recommended and the charging tool and used the cutout method - a little tricky at first, but now the windows are repaired. Thank you so much. - Michael