O2 Sensor Spacer Adapter M18X1.5 Extender Spacer Adapter with Catalytic Converter CEL Eliminator Key benefits Repositions the oxygen sensor to optimize readings and overall engine performance Helps reduce check engine light triggers related to sensor placement Durable metal construction for longevity in demanding exhaust environments What it does Provides an extender spacer for O2 sensors with an M18X1.5 thread Designed to support fuel economy improvements and emission reductions while maintaining engine responsiveness Features a temperature resistant design with reliable sealing and stable performance Compatibility and materials Material: metal construction Thread size: M18X1.5 temperature resistant, with good sealing and oxidation resistance Built for impact resistance and wear resistance over long service life Performance attributes Aims to improve fuel economy and reduce harmful emissions Helps improve engine response and overall performance under proper installation conditions Stable operation in temperature exhaust environments Use scenarios Aftermarket exhaust installations or modifications where sensor placement triggers a CEL, providing a spacer that helps manage sensor readings Vehicles experiencing minor sensorrelated CELs due to sensor positioning, helping maintain proper engine management without frequent recalls Longterm use in temperature exhaust areas where durable, sealed O2 sensor extension is required for reliable operation Notes Use only with O2 sensors that have M18X1.5 threads Install according to vehicle manufacturer guidelines and sensor specifications to ensure proper sealing and function