2004 - 2005 - 2006 Nissan Maxima Memory Control Unit. Part Number: 988007Y000. Display & Radio Not Included. This is for a Nissan Maxima Memory Control Unit. This Control Unit has been cleaned, upgraded, serviced as needed and thoroughly checked. Appearance is as pictured, function is perfect! This control unit is being sold as a REPLACEMENT ONLY! The part number for this control unit is 27760ZY80A. 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, contact us 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.