OER Parts offers a wide selection of Air Conditioning Parts for your 1966 Chevrolet C20 Pickup restoration project. OER Parts offers 1966 Chevrolet C20 Pickup Brackets and Hardware, 1966 Chevrolet C20 Pickup Compressors, 1966 Chevrolet C20 Pickup Condensers, 1966 Chevrolet C20 Pickup Evaporators, 1966 Chevrolet C20 Pickup Pressure and Vacuum Lines, 1966 Chevrolet C20 Pickup Pulleys and Clutches,1966 Chevrolet C20 Pickup Receiver Driers.