Please  note - applications are based upon various sources. - Although we try to make sure research is correct - it can be flawed. Please check and make sure part will work on your vehicle prior to purchase. Please read all descriptions and view all photos. Sold as is. NOS ("New Old Stock") means that part was never installed but does not guarantee "like new" condition. Some NOS parts may have rust, pitting, shelf wear-Storage,Dust-Dirt, etc. Payment is due in 24 hours. Flat rate quote shipping in USA only. Will ship overseas, we offer Ebay Global shipping. Please read all descriptions & View Photos closely before Purchasing. Thank you for looking and check out my other items. Sold as is. If this item qualifies for returns it must be-Insured return shipping, Same one sold and Not installed -Altered. Applications:1971 1972 1973 Chevy, Buick,Pontiac, Bonneville,Catalina,Grandville with Auto Temp Control..9340400  7932183 2 Air conditioner temperature control potentiometer Bonneville 1971, 1972, 1973 Fits all listed models with automatic temperature control air conditioner. Also fits Buick & Chevy. 7932183 2 Air conditioner temperature control potentiometer Catalina 1971, 1972, 1973 Fits all listed models with automatic temperature control air conditioner. Also fits Buick & Chevy. 7932183 2 Air conditioner temperature control potentiometer Grandville 1971, 1972, 1973 Fits all listed models with automatic temperature control air conditioner. Also fits Buick & Chevy  Box 82