Replacement Ford/Lincoln/Mercury Factory Keyless Entry Remote with FCC ID CWTWB1U511 and Ford Part Number 7L1Z-15K601-AA

From 2003 on, many Ford, Lincoln and Mercury SUVs were sold with an optional power liftgate. Most likely, if your vehicle has a power liftgate, the correct replacement factory keyless entry remote is RUI part 758-1758. This keyfob transmitter had different OE part numbers associated with it, but one used on Lincoln Navigator is 7L1Z-15K601-AA.

See this remote at this link.

This remote is user programmable for all applications.