FordPartsGiant.com offers the wholesale prices for genuine 2006 Ford F-150 parts. Parts like Ignition Coil and Wires/Spark Plugs are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.2L OHV EFI, 8 Cyl 4.6L Romeo SOHC EFI, 8 Cyl 4.6L Windsor SOHC EFI, 8 Cyl 5.4L. Transmission: 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 5-Speed Manual Transmission - Mazda M5R2-C.