Some of the parts yes. However there is a difference in the 1985 versus the 1986 and newer front body parts. Also the instrument cluster for the 1986 and newer will not work in a 1985 or older.
Salavage yards / Auto Recyclers use an interchange tool called the Hollander interchange. The website Car-part.com is where most post their inventory. You can look up a particular part and run a search for it. In the parts are interchangeable and are displayed by model and year. Those results should give you a good frame of reference of which parts are interchangeable for your application.