-- 2008 - 2009 -- Chevrolet GMC Radio Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon - UNLOCKED - AM FM MP3 DVD CD Player Radio with Navigation Voice Recognition and Auxiliary Input Part Number: 25894203 Compatible Part Numbers: 20807045, 25846420, 25857365 Option Code: U3U This is for a professionally remanufactured 2008-2009 Chevy GMC Radio AM FM MP3 DVD CD Player with Navigation Voice Recognition and Auxiliary Input for use in Avalanche, Sierra, Silverado, Suburban, Tahoe, Yukon, and Yukon XL vehicles. This radio has been cleaned, serviced as needed, and thoroughly checked. The navigation disc is NOT included with this radio. No codes required it will plug and play! *** Although this radio will be unlocked upon installation, please note that if you have Bose or any other specialty sound system, you may have to visit a dealer to get this radio configured properly for your vehicle. *** REPLACEMENT ONLY This radio is being sold as a REPLACEMENT ONLY! The part number is 25894203 with option code U3U. If you do not have this exact part number currently in your vehicle, it will likely NOT WORK. If you are unsure of your part number, give a Chevy dealer a call with your VIN and they should be able to provide you with the correct part number. They may look the same and have the same plugs but data streams may be different, not allowing them to code. For example, external amps are used in some cars and will not allow interchange, etc. As you can see from our feedback we package carefully and ship promptly via UPS Insured. Please verify that this is the radio you require before purchase. The radio you receive will be as pictured and described. Please let us know before purchase if you would like a specific part number so we can check availability. The radio you receive will be professionally remanufactured as described. Please feel free to give us a call with any questions or concerns.