Classic Industries offers a wide selection of Air Conditioning and Heater Parts for your 1981 Oldsmobile All Models. Classic Industries offers 1981 Oldsmobile All Models Complete AC Systems, 1981 Oldsmobile All Models Conversion Parts and Kits, 1981 Oldsmobile All Models AC and Heater Controls, 1981 Oldsmobile All Models Heater Parts, 1981 Oldsmobile All Models Air Conditioning and Heater Hoses and Parts, 1981 Oldsmobile All Models Air Conditioning and Heater Vents.