FordPartsGiant.com offers the wholesale prices for genuine 1989 Ford F-250 parts. Parts like Fuel Injection Manifold, Injectors, Valves & Wiring And Fuel Line To Carburetor are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 7.5L. Transmission: 4AT AOD.