Aftermarket Nissan Sentra replacement keys: 71 in-stock listings for model years 2007–2022, including key fobs, transponder keys, from $15.90. Common FCC IDs: CWTWB1U840, KR5TXN4, KR5TXN1. 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.