Suzuki SQ420XD/WD Oxygen Sensor 18213-65J00 OEM Specification Replacement

This oxygen sensor is designed for Suzuki SQ420XD (1.0L) and SQ420WD (1.0L) models, covering 2005–2010; direct replacement with OEM 18213-65J00 (also compatible 1821365J00). Core function: monitor exhaust oxygen and feed ECU to adjust air–fuel ratio. Replacement difficulty medium; use dedicated socket to avoid thread damage; apply anti-sieze and ensure sensor wiring is not stretched. KLP brand OEM replacement with stable performance for shops.