OER Parts offers a wide selection of Cooling System Components for your 1973 Plymouth Road Runner. OER Parts offers 1973 Plymouth Road Runner Shroud Hardware, 1973 Plymouth Road Runner Shroud Mounting Kit, 1973 Plymouth Road Runner Lower Radiator Fan Shroud Clip, 1973 Plymouth Road Runner Upper Fan Shroud Bracket, 1973 Plymouth Road Runner Lower Fan Shroud Bracket, and 1973 Plymouth Road Runner Fan Shroud Flange Nuts.