1998 - 1999 - 2000 - 2001 Ford Explorer - Mercury Mountaineer Mach AM FM Radio Single Disc CD Cassette Player. No Code Required. Climate Controls Not Included. Part Number: XL2F-18C868-CA Compatible Part Numbers: F87F-18C868-AA, F87F-18C868-AB, F87F-18C868-AC, F87F-18C868-AD, F87F-18C868-AE. This listing is for a Ford Explorer Mercury Mountaineer AM FM Radio Cassette Single Disc CD Player. This radio has been professionally overhauled, cleaned, and serviced as needed and thoroughly checked. The radio's appearance is good, as pictured, and is in 100% working order. The part number is XL2F-18C868-CA. 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 us a call with your VIN and we 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.