This item is the Axle collar, goes on the rear axle of 73-74 model ATC70s, sometimes worn often misplaced but a necessary item that works to secure the rear axle.
Also provides the surface for the rear grease seals to act on.
This item should be replaced when worn because it will allow dirt and grit to enter the axle carrier if it is damaged.
4 are used in the rear axle on early 73 models and 3 from mid 73 on.
OE Part Number 42303-937-000
