-- 2001 - 2002 - 2003 - 2004 - 2005 -- Pontiac Sunfire Aztek Montana & Trans Sport AM FM CD Radio w Auxiliary Input 3.5 mm jack for use with iPod iPhone Android mp3 Players Satellite Radio & more! Dealer Unlock Required Part Number: 10311741 Option Code: U1P Interchange Number: 638-01236B The application chart above is for preliminary fit only. These vehicles came equipped with different option codes that may not be compatible with this radio. Please confirm this is the part you need before purchase. Please Note: This radio will need to be unlocked upon installation in your vehicle. It can often be put into a fully functioning test mode for 10 minutes at a time without the vehicle running but will need to be taken to a dealer for permanent pairing. The price for this varies so please make arrangements before purchase. This listing is for a Pontiac Sunfire Aztek Montana & Trans Sport radio that has been upgraded with Aux Input on the face of the radio. It is a fully functioned CD Player option code U1P. If this is not the exact model your vehicle came equipped with please confirm fit with a GM dealer or contact us for assistance. Been trudging through the junkyard looking for an OEM replacement radio only to find that the 5th one you bought is ALSO bad? Here s your relief from the Junkyard Blues ! All our units are guaranteed clean and in working order as described! Condition is great as pictured and function is perfect! Appearance is excellent as pictured. Function is 100%. Buy right the first time from factory car radio specialists! ¡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.