铃木氧传感器 1821368KD0 / 1821373KB0 直接替换0258986602 即插即用

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.