A dealer that tells you that don't need grease on the king pin is not worth dealing with. Anytime you have the wear of metal on metal, there is abrasion on the metal and after awhile can show severe wear. I think what they really meant to say is you don't need grease on the faceplate of the hitch where the trailer is connected. There you want a teflon plate which can be purchased at any RV accessory store.
Orv
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