2003 - 2004 - 2005 Buick LeSabre AM FM CD Player Radio. Part Number: 25734854. Compatible Part Numbers: 10375848, 25735821, 25756856, 9366434. Option Code: UN0. This listing is for a 2003-2005 Buick LeSabre factory OEM AM FM CD Player Radio that has been professionally remanufactured. This radio has been cleaned, serviced as needed and thoroughly checked. Part number is 25734854 with option code UN0 so please make sure this is the correct radio for your vehicle. Please Note: This radio will need to be unlocked upon installation in your vehicle. It can be put into a fully functioning test mode for 10 minutes at a time but will need to be taken to a dealer for permanent pairing. This process varies greatly from dealer to dealer, please verify cost with your local dealer before purchase. This model came with select part numbers that are completely interchangeable, therefore you may receive a different part number. 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 and upgraded as described. Please feel free to give us a call with any questions or concerns.