2003 - 2004 - 2005 Lincoln Aviator AM FM 6 Disc CD Player Radio w Auxiliary Input for iPod, iPhone, Android, Satellite Radio, MP3 Players, Windows Phone & More! -- Bolt-In Style Mounts -- Sound Mark Sound System -- Part Number: 4C5T-18C815-AF. This is for a 2003-2005 Lincoln Aviator BOLT IN Radio for the Sound Mark Sound System. It features AM FM 6 disc CD player that has been upgraded with a 3.5mm auxiliary input. This radio also uses bolt in mounts instead of the spring clip mounts, so please be sure that you have the correct mounts in your vehicle. The part number for this radio is 4C5T-18C815-AF. No codes required, it will plug and play! If you do not have the bolt in mounts or the Sound Mark Sound System, this radio will not work for you. The Aux Input is a snap to operate. Literally! Just plug in your 3.5mm cable and it will play in full crisp clean quality. When you want to listen to the radio again simply unplug the cable! The audio is full quality and takes advantage of all sound controls on the radio. Forget those shoddy FM transmitters and listen to music the way it's supposed to sound! If you have any questions about the operation of the jack please feel free to call! Please note: that the iPhone pictured above is not included with the purchase and is for demonstration purposes only. This listing is for the upgraded radio only.