67-68 Raam Mechanisme Roller

1968 vehicles used this or C8SZ-57262A32-A [3 per window]. The difference is in the plastic disc outside diameter. This one is 11/16", the C8SZ version uses a 1" OD but is no longer avail.
This roller assembly attaches to the end of the window regulator arm. It is the part that slides back and forth in the channel, allowing the window to glide up and down smoothly. If your window tilts forward or back and isn't level when you roll it up, a broken or damaged roller may be the cause.