FordPartsGiant.com offers the wholesale prices for genuine 2017 Ford F-450 Super Duty parts. Parts like Sliding Roof Mechanism and Controls are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 10 Cyl 6.8L EFI, 8 Cyl 6.2L OHC NA, 8 Cyl 6.7L Diesel T/C. Transmission: 6-Speed Automatic Transmission (6R100), 6-Speed Automatic Transmission (6R140).