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Mazda 2.3L Rear Oxygen Sensor, original quality direct replacement, fits Mazda models, OEM L33G-18, accurately monitors exhaust oxygen content, optimizes combustion efficiency.
Replaces OEM #
MOQ
1件
Upstream oxygen sensor monitors exhaust oxygen content and feeds back to the ECU to adjust the air-fuel ratio. OEM number L33G-18-861, fits Mazda 2.3L engine models. Direct replacement installation; common faults include signal delay or heater short circuit. It is recommended to disconnect the battery negative terminal first.
马自达2.3L后氧传感器 L33G-18-861 原厂品质直接替换
L33G-18