Aftermarket Subaru Crosstrek replacement keys: 7 in-stock listings for model years 2018–2022, including key fobs, transponder keys, from $17.50. Common FCC IDs: 2AOKM-SB4. 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.