Top Panel Guide, Pella

This plastic piece, I believe had a felt inset on the glide. I need 9 of them.

One is missing from the top of the sliding door. This is what I think is missing. Door is rubbing and binding a bit.

Hi, I have a Pella sliding glass door with a screen that is missing some sort of top track or guide. The door is old, I beleive around late 80's. I've searched through replacement parts, but can't figure out exactly what is suppose to go up there. There is about 3/8" of space between the top o ... (cont.)

We have a hotel we supply with their hardware. Their sliding glass doors are very wobbly on the top. What can they use to have them open and close smoothly? This problem also allows a lot of noise to enter the room.

My house was built in the 1987/88 timeframe. I have a Pella sliding glass door with worn roller assemblies and worn nylon/plastic parts. The roller replacement part here at Swisco has product code 81-098. I need identify the other worn out parts. Attached is an image of one of the two white ... (cont.)