Fresh Air Vent Duct 1971-1973 Ford Mustang, 1971-1973 Mercury Cougar More ITEM # FM-EA004B OE # D1ZZ-18A387A Located behind the passenger side dash panel Replaces a damaged or missing duct end to restore original performance to the hvac system Made from flexible plastic material for long lasting use Was: MSRP: Now: $22.00 View Details