Sliding glass door leak

A quick learner from USA says:
My door lets in a lot of cold air.
I took the whole sliding glass door apart so I could determine any more items I may need.
One photo has labeled locations:
User submitted photo of their window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for contacting us, and for the clear picture. A and B look like it part of the main door frame, so I don't think you will be able to change these without damaging the frame. You can consider using our 58-026 stick on wool pile, but I cannot be sure how well it can work. For C and D, I believe that piece is removable and you can slide out the old weather strip and install the new. It could be something like our 58-099, but you will need to compare our dimensions to yours to be sure.
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