Those are stops.
Did you take a photo of the assemblies before removing? Where did you source the parts?
The larger washers painted green. Was that the way they were originally assembled? Are there matching washers on the lower control arm bushings?
The ILL shown earlier is correct assy -
There are a pair of ears, not sure what else to call them, near one end of the shaft that goes up against the bushing. The other side has no ears.
Do you mean the other side of the car or the other end of the shaft?
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