The O2 CEL fixture actually incorporates the M18X1.5 miniature Converter Connector,which helps to get rid of the modified exhaust or the inspection engine light after removing the catalytic converter.Made of Zinc Plated Steel which is durable and have high strength to use.AVOID A CHECK ENGINE LIGHT,Converter Connector built inside and will help get rid of that annoying check engine light.If the O2 sensor is too sensitive, the CEL will still open after loading the canceller, and all problems on the CEL alarm will not be resolved.Easy installation, direct bolt-on, no modification needed.Oâ Sensor Adapter 90 Degree Connector Adapter M18x1.5 Universal100% brand new and high qualityThe product has perfect accuracy and wire repeatability. Check engine light fix M18 x 1.5 sensor leak.The built-in high-quality filter can effectively reduce the concentration of exhaust gas and prevent the blocking of soot.Made of high-quality materials, the product is sturdy and easy to disassemble, and has strong applicability.It is easy to install and easy to start.Advantages: sealing, wide clamping range, dustproof and waterproof, easy to install, easy to start.Specification:Material:Iron Electroplated NickelSize:As Picture ShownColor:SilverDimensions: inside and outside diameter thread M18x1.5, length 45mmPackage Includes:1x O2 Oxygen Sensor Extendernote:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.The O2 CEL fixture actually incorporates the M18X1.5 miniature Converter Connector,which helps to get rid of the modified exhaust or the inspection engine light after removing the catalytic converter.Made of Zinc Plated Steel which is durable and have high strength to use.AVOID A CHECK ENGINE LIGHT,Converter Connector built inside and will help get rid of that annoying check engine light.If the O2 sensor is too sensitive, the CEL will still open after loading the canceller, and all problems on the CEL alarm will not be resolved.Easy installation, direct bolt-on, no modification needed.The O2 CEL fixture actually incorporates the M18X1.5 miniature Converter Connector,which helps to get rid of the modified exhaust or the inspection engine light after removing the catalytic converter.Made of Zinc Plated Steel which is durable and have high strength to use.AVOID A CHECK ENGINE LIGHT,Converter Connector built inside and will help get rid of that annoying check engine light.If the O2 sensor is too sensitive, the CEL will still open after loading the canceller, and all problems on the CEL alarm will not be resolved.Easy installation, direct bolt-on, no modification needed.Stainless Steel