Idler Arm Failure

Do you have close ups of the metal to metal wearing surfaces?

The wear on the plastic I don't think it going to be improved by moly grease and the extreme pressure additive. The scar test is a metal on metal test.

Is there a wave washer or spring that applies pressure against the pin to keep the pin to idler arm housing bearing surface tight?

Or is it the crimp on the plate with the zerk that applies the pressure?

I've recently had a pair of Mopar UCA ball joint that wear not crimped completely/correctly from the factory. The joint got loose with very little miles on the car.