Frost King V27BK EPDM Rubber Self-Stick Weatherseal Tape, 9/16" W, 5/16" T, 10 ft L, Black

To replace those you have to replace the whole molding from front to back. I just got some garage door weather stripping and fixed it for under $10. Replaced it this past week. Something like this: https://a.co/d/00WV5DFD