Aftermarket Lincoln Aviator replacement keys: 5 in-stock listings for model years 2003–2020, including key fobs, from $21.60. Common FCC IDs: CWTWB1U331, M3N-A2C93142600. Match the FCC ID and part number on your current key, or use our free VIN lookup. Keys are not OEM and most need cutting or programming; eligible items can be returned within 90 days.