WThis is a new old stock thermal vacuum switch manufactured by ACDelco Professional with part number 212-61. It is designed for vintage 1982-84 Cadillac Fleetwood and 1984 Deville models and has an OE/OEM part number of 14009008. The switch has a port terminal type and is easy to install in the engine compartment. It was made in the United States and is a part of the exhaust and emission systems switches.