Aftermarket Lexus Ux250H replacement keys: 6 in-stock listings for model years 2019–2020, including smart keys, key fobs, from $22.10. Common FCC IDs: HYQ14FBF. 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.