FordPartsGiant.com offers the wholesale prices for genuine 2015 Ford Expedition parts. Parts like Paint are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.5L GTDI, 8 Cyl 5.4L. Transmission: 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4AT 4R75W, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80).