FordPartsGiant.com offers the wholesale prices for genuine 1985 Ford F-250 parts. Parts like F150/350 And U150- Exc. F250/350 Under 8500# G.V.W. - W/Purge Vent Valve are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.9L. Transmission: 3MT.