For the '87 model year, Ford switched to a much cleaner-looking rear quarter-window assembly for Mustang hatchbacks and hardtops. Molded from vulcanized rubber, ...

Part 5 of the father/son 1969 Mustang project shows how to replace the damaged door glass and hardware with new items from National Parts Depot.

Some Ford applications require drilling holes in the sheetmetal door structure or removing the window regulator to access the power-window motor retaining hardware.