A sample from the products for the Transmission include: Gear, 4th Wheel, Washer, Plate (10x), Circlip(10y), Brg,r-b 6301 37mm 60g Nt.
On this parts fiche the Washer, Plate (29f) is the most specified component.
The lowest price component in this Transmission parts-list fiche is the Circlip(10y).