Used vacuum actuator for controlling the
center A/C vent on any 1971-73 Mercury Cougar or Ford Mustang.
This is a bare vacuum valve, that does not have the screwed on extension which make the unique part numbers from the Ford MPC. Tested and holds vacuum. This is the unique valve with two separate vacuum ports. 2 ports for two different positions. Ford part number D1ZZ-18A318-A.