2001 - 2002 Mazda 626 AM FM CD Player Radio. Part Number: GJ4H669R0. Face Number: 4160. This is for a 2001-2002 Mazda 626 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 GJ4H669R0 and the number on the face is 4160 so please make sure this is the correct radio for your vehicle. If you part number does not match exactly, it will likely not work. No codes required, it will plug and play! This radio is being sold as a REPLACEMENT ONLY! 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 Mazda 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.