2003 - 2004 - 2005 Various Chevy & GMC Truck Radio AM FM CD Player. OEM Radio Upgraded with Bluetooth Music Capability. Stream audio from a smart phone, tablet or Bluetooth capable music device! Part Number: 10357894. Compatible Part Numbers: 15138488, 15104155, 15184932, 15198700, 15756188. Option Code: UB0. This radio will need to be unlocked by a dealer and paired to your truck. Please see below for more details. This is for a Chevrolet truck, S10 and van factory OEM AM FM CD Player Radio that has been upgraded with Bluetooth Music capability! You will not lose any functionality when the Bluetooth is in use and the radio will have all factory OEM features! Please confirm: that this is the radio your vehicle requires as some of these vehicles on the chart used more than one style of radio. This part number came factory in various Chevy & GMC full size trucks. The Bluetooth upgrade is simple to operate! Just pair the device, press the Bluetooth button and play your music or most in-app audio, including iTunes, Rhapsody, Pandora, Spotify, YouTube, Netflix and many, many more will be playing full, crisp, clean quality while taking advantage of all sound controls on the radio. To complete paring, some devices require a pass key or code which is "0000." When you do not want to listen to Bluetooth music, simply unpair or turn off your device's Bluetooth. Please note: that this will not work with phone calls as phone manufacturers have designed calls to work with Bluetooth mic systems only. This radio has been cleaned, upgraded, serviced as needed, and thoroughly checked. 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.