Suzuki Oxygen Sensor 1821368KD0 / 1821373KB0 Direct Replacement for 0258986602 Plug and Play

Suzuki oxygen sensor compatible with OEM numbers 1821368KD0 and 1821373KB0, and 0258986602; plug-and-play design for quick replacement. Installed on the exhaust manifold or exhaust pipe, monitors exhaust oxygen content in real time and feeds ECU to precisely control air-fuel ratio and optimize combustion efficiency. If the engine exhibits unstable idle, noticeably higher fuel consumption, weak acceleration, or check engine light on, sensor aging or failure is indicated. Installation difficulty: medium; recommended service time 30-45 minutes; avoid thread damage.