1983-1987 Plymouth Reliant. 1988-1989 Plymouth Reliant 4dr. 1988 Plymouth Reliant 2dr. Notes: R-Line Disc Brake Pad Wear Sensor. PG Plus Professional Grade Brake Pad Wear Sensor. Position: Front. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.