OER Parts offers a wide selection of Cooling System Components for your 1973 Chevrolet K20 Suburban. OER Parts offers 1973 Chevrolet K20 Suburban Shroud Hardware, 1973 Chevrolet K20 Suburban Shroud Mounting Kit, 1973 Chevrolet K20 Suburban Lower Radiator Fan Shroud Clip, 1973 Chevrolet K20 Suburban Upper Fan Shroud Bracket, 1973 Chevrolet K20 Suburban Lower Fan Shroud Bracket, and 1973 Chevrolet K20 Suburban Fan Shroud Flange Nuts.