Find information about replacement parts and hardware for your Pella windows or doors at Pella. If you need help locating the Unit ID/Serial Number on your window or patio door, find your material type below and click on the link to view the video: Wood Windows and Patio Doors Fiberglass Windows and Patio Doors Vinyl Windows and Patio Doors. 2013 Patio Door Replacement Hardware – Mortise Door Latch by Prime-Line. 4.00; Buy It Now. 7 watching;; 25 sold. View Details. New in packaging! Compare. Rolltrak Spares Zinc Die Cast Glass Patio Door Handle. 50.