Beware because in your case you have to find the 1984 exact fit. The one
sold at GoWesty  might fit on some 1985, all the other years up to 1991 but
certainly not on your door. Ref: GoWesty description of this item at:

http://www.gowesty.com/ec_view_details.php?id=2339&category_id=217&category_parent_id=