Defrost door located on plenum chamber - 2 ports, with Hi-Low vent
Base Number: 18A318
Callout Name: 18A318
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1990 Ford F-250 parts. Parts like Heater Controls, Ducts & Plenum Chamber - Passenger Compartment are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 7.3L. Transmission: 4AT E4OD.