YOMI Angle Extender For O2 Oxygen Sensor Car Oxygen Sensor Fix Engine Light Check Adapter Eliminator With Filter N Feature: 100% brand new and high quality Made of high quality material, durable and practical to use Our CEL eliminator is a small catalytic converter sensor in front of O2 Don't risk using extensions because they usually don't work, this is a real inbuilt mini catalytic converter If the true catalytic converter is damaged, CEL eliminator can help you reduce toxic gases. Sometimes the CEL alarm sensor is caused by the O2 problem. For example, the O2 sensor is too sensitive. After loading the cancellation, CEL will still open. But it will still cause more code errors. Our CEL eliminator (someone named Mini cat) can't solve all the problems about the CEL alert. It can only resolve one of the P0420 Catalytic Fault Converter codes (the most common). Our CEL Eliminator is versatile and suitable for most cars. Built-in M18X1.5 Catalytic Converter Helps Get Rid of Boring Inspection Engine Lights Size: M18x1.5 Thread Silver color Material: Metal Note: Shooting light and different monitors may make the color of the item in the photo slightly different from the real thing. The allowed measurement error is +/- 1-3 cm. Package Content: 1 x Oxygen Sensor Connector