雪佛兰迈锐宝1.8L后氧传感器 55570074 16年款尾气监测专用

This rear oxygen sensor designed for 2016 Chevrolet Malibu 1.8L model; accurately monitors exhaust oxygen and ensures optimal air–fuel ratio to improve fuel economy and reduce emissions. OEM number 55570074; buyers can cross-check with original parts to ensure exact match. Replacement difficulty moderate; professional installation; disconnect battery negative and clean sensor interface threads before installing. Brand: KLP; factory-grade durability; ideal for fleet or repair shop stock.