wear protecting elements for railway cars, namely brake rod protector in the nature of an elongated plastic member attachable to a brake rod, brake beam guide protector in the nature of a U-shaped molded plastic member for slidably supporting the brake beam guide, coupler knuckle pin in the nature of a plastic pin pivotally connecting the coupler knuckle to the coupler head, door guide protector in the nature of a plastic bearing member engaging a track, and center plate protector in the natu...