OER Parts offers a wide selection of Air Conditioning Parts for your 1951 Cadillac Series 61 restoration project. OER Parts offers 1951 Cadillac Series 61 Brackets and Hardware, 1951 Cadillac Series 61 Compressors, 1951 Cadillac Series 61 Condensers, 1951 Cadillac Series 61 Evaporators, 1951 Cadillac Series 61 Pressure and Vacuum Lines, 1951 Cadillac Series 61 Pulleys and Clutches,1951 Cadillac Series 61 Receiver Driers.