Mazda8 2.3L Air-Fuel Ratio Front Oxygen Sensor L33D-18-8G1C, Original Factory Performance Standard

Mazda 8 2.3L engine air-fuel ratio front oxygen sensor, OEM number L33D-18-8G1C, also compatible with L33D-18-8G1B and L33D-18-8G1D. High compatibility. KLP brand directly replaces the factory part; core function is to monitor exhaust oxygen content and feed ECU to adjust fuel injection for optimal air-fuel ratio. Replaces issues of high fuel consumption, rough idle, or sluggish acceleration. If check engine light is on or exhaust smells like burning oil or fuel consumption spikes, replacement is needed.