Wuling Rongguang Hongguang Baojun Oxygen Sensor 2455779 Economy Replacement

Wuling Rongguang, Hongguang and Baojun series (1.2L/1.5L engines) economical replacement oxygen sensor, OEM number 2455779, stainless steel housing with ceramic sensing element, industry-standard materials and workmanship; durability 30,000–50,000 km under normal conditions. It monitors exhaust oxygen content in real time and feeds ECU to help control the air-fuel ratio, preventing high fuel consumption or excessive emissions. Removal uses a special socket; avoid thread stripping; cold-start operation and controlled tightening recommended.