Oxygen Sensor DOWNSTREAM O2 Oxygen Sensor 234-4256 12609457 Rear Lambda For Chevy For AVALANCHE For CAMARO For SILVERADO For SUBURBAN Lambda Sensor

DOWNSTREAM O2 Oxygen Sensor 234-4256 12609457 Rear Lambda For Chevy For AVALANCHE For CAMARO For SILVERADO For SUBURBAN Features: Accurately measuring oxygen levels in exhaust gases helps engines run efficiently and improve fuel economy. Installation: Saves time and effort, requiring no complicated procedures, and installation is easy and convenient in just minutes. Efficient response: With ultra-fast response speed, it can instantly capture changes in exhaust oxygen content, allowing the engine control to adjust the air-fuel ratio in time, achieving instant optimization of power output and smoother acceleration. Fast-Acting Heater: For flat and wire-type sensors, the fast-acting heater allows the oxygen sensor to reach its operating temperature more quickly (in just seconds), optimizing sensor function.