2007 Ford Focus AM FM mp3 CD Player Radio Part Number: 7S4T-18C869-AB Compatible Part Number: 7S4T-18C869-AA. This listing is for a 2007 Ford Focus AM FM mp3 CD OEM factory radio. Interchangeable part numbers include 7S4T-18C869-AA and 7S4T-18C869-AB. Even if your plugs and mounts match if you do not currently have one of these part numbers in your vehicle there may be features that do not work. This radio has been cleaned serviced as needed and then re-checked. No codes required it will plug and play! Please contact seller with fitment or function questions. All products come with a 90 day warranty. Free shipping to all 50 states. ¡El soporte en español está disponible a través de mensajes! Haga clic en Ver información del vendedor y luego en Contactar con el vendedor para enviarnos un mensaje.