The picture below has links to parts list pages.
Each page is represented by a green box.
Click on the green box that has the parts you are interested in.
Please note that the picture may not exaclly match your machine due to changes made over the years,
but in the parts list pages it should discuss the various model changes.
Also it is a large picture, so if you are on dial up it could take up to a minute to download it.