FordPartsGiant.com offers the wholesale prices for genuine 2005 Mercury Mariner Gas parts. Parts like Wiring - Dash And Floor Console are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.3L, 6 Cyl 3.0L DOHC EFI Modular. Transmission: 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK.