OEX Oxygen Sensor -Pre Cat OOS5563

• Continuously measures the oxygen content in the exhaust gases of the engine, to ensure correct air/fuel ratio.
• All OEX Oxygen Sensors are direct OEM replacement, making service interval replacement easy.
• All products are made by leading OEM & OES manufaturers.

OEX Oxygen Sensor - Ensures the correct air/fuel ratio is supplied to your engine.

The job of an oxygen sensor (also referred to as a lambda sensor) is to continually measure the oxygen content in the exhaust gases of your engine. Also referred to as an O2 sensor, it ensures the correct air/fuel ratio for your engine, allowing it to run happily and efficiently.