氧传感器 96951720 多车型

This replacement oxygen sensor adheres to original factory standards in materials and process, using high-temperature resistant ceramic elements and seals to withstand continuous thermal shock from exhaust systems; tested on rigs with no shrinkage. OEM numbers include 96951720, 25189500, 9024423, 234-4298 and 96964230; fits multiple universal SGM-type vehicles with standard oxygen sensor interfaces. Function is to monitor air-fuel ratio in real time and feed back to the ECU with fast response to maintain combustion efficiency and reduce emission fluctuations. Installation difficulty medium; require dedicated socket and careful disassembly/reassembly of old parts to avoid thread damage; operate on a cold engine.