Photo 1 of 234-4521 Oxygen O2 Sensor Downstream Heated Air Fuel Ratio for Lexus IS250 IS350 GS350 GS450h GS430 GS460 2.5L 3.0L 3.5L 4.3L 5.0L Replaces 234-4806 89465-30730 89465-30740 89465-30710 89465-30720

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Photo 1 of 234-4521 Oxygen O2 Sensor Downstream Heated Air Fuel Ratio for Lexus IS250 IS350 GS350 GS450h GS430 GS460 2.5L 3.0L 3.5L 4.3L 5.0L Replaces 234-4806 89465-30730 89465-30740 89465-30710 89465-30720Photo 2 of 234-4521 Oxygen O2 Sensor Downstream Heated Air Fuel Ratio for Lexus IS250 IS350 GS350 GS450h GS430 GS460 2.5L 3.0L 3.5L 4.3L 5.0L Replaces 234-4806 89465-30730 89465-30740 89465-30710 89465-30720Photo 3 of 234-4521 Oxygen O2 Sensor Downstream Heated Air Fuel Ratio for Lexus IS250 IS350 GS350 GS450h GS430 GS460 2.5L 3.0L 3.5L 4.3L 5.0L Replaces 234-4806 89465-30730 89465-30740 89465-30710 89465-30720