If your wiper arms no longer move due to a broken wiper linkage bushing, this is the plastic piece you need. These little plastic bushings connect the arm that comes from the motor, to the arms that move across your windshield. To avoid needing lubrication, Dodge used a special plastic. Downside is 30 years later, that plastic is hard and brittle and it likes to crack.
In the photos you can see an original arm with original bushing for your reference.
Comes as a set of 4 bushings. Each wiper linkage assembly requires 1 set of 4 pieces.
