Aftermarket Porsche Cayenne replacement keys: 33 in-stock listings for model years 2003–2017, including key fobs, from $25.80. Common FCC IDs: KR55WK50138, KR55WK45032. 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.