FordPartsGiant.com offers the wholesale prices for genuine 2006 Mercury Montego parts. Parts like Transmission Pump Assembly are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.0L DOHC EFI Modular. Transmission: 6-Speed Automatic Transaxle - AWF21, CVT Select Shift Transmission.