Walker Products 350-34643 Oxygen Sensor 4-W Direct Fit Narrow-Band($32.10Value)

Description

Air-Fuel Ratio Monitoring: Determines the oxygen content of the exhaust gas, monitoring the air fuel ratio for combustion efficiency. Fuel Economy Optimization: Measures oxygen levels to fine-tune air-fuel mixture, improving fuel economy and saving costs. Protective Sensor Coating: Coating prevents contamination and erosion of the electrode surfaces by combustion residue and particulates in the exhaust gases. Platinum Electrode Construction: Coated in with electrodes made of a gas-permeable platinum layer.