FordPartsGiant.com offers the wholesale prices for genuine 2010 Ford Explorer Sport Trac parts. Parts like Air Conditioning System are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L. Transmission: 5-Speed Automatic Transmission 5R55S, 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60.