The most reasonably priced component used on the Gs450l 1982 (z) (e02 E21 E24 E25 E34 E39) Frame Cover (model T) is the Washer.
The most expensive part in this assembly is the Cover,frame,right.
This schematic depicts all components used in the Gs450l 1982 (z) (e02 E21 E24 E25 E34 E39) Frame Cover (model T) partslist.