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Chevrolet Buick GMC Rear Oxygen Sensor, compatible with GM series models, OEM 12643903, direct replacement installation, precisely monitors exhaust oxygen content, improves fuel efficiency.
Replaces OEM #
MOQ
1件
Chevrolet Malibu, Cadillac ATS, Buick Regal and other models use rear oxygen sensor (OEM 12643903, compatible with 234-4762, 12643708, etc.); built with heat-resistant ceramic substrate and precise electrode process, with strong resistance to thermal shock and long-term stability; tested lifespan comparable to OE standards. This sensor monitors exhaust oxygen content and feeds ECU to adjust air-fuel ratio; direct replacement for OEM, ensuring combustion efficiency and emissions compliance.
雪佛兰别克GMC 后氧传感器 12643903 234-8085 直接替换
12643903