2003 Ford Crown Victoria LX Before Catalytic Converter, Driver And Passenger S Oxygen Sensor, Engine VIN: W, FI, Naturally Aspirated, GAS, Set Of 2, 4-Wire, 8 Cyl 4.6L
2003 Ford Crown Victoria Base After Catalytic Converter Oxygen Sensor, Engvin: 9, FI, Naturally Aspirated, CNG, Downstream, Sold Individually, 4-Wire, 4.6L 8Cyl, Walker Products Original Equipment Base Sensor