Oxygen O2 Sensor Adaptor 90 Degree Engine Check Light Removal Fix Cat Converter The OSF1890 is a 18mm 90deg miniture cat converter which can be used on OBD2 complaint vehicles It can help in the removal and avoidance of the "check engine light" and "limp mode" coming on in newer EURO dependence exhaust systems. Also can be used in modified exhausts and changed catalytic converters Universal oxygen sensor steel extender adapter For check engine light fix (Cel Fix) built with mini catalytic converter filter Cnc Machined Stainle Steel Material M18 x 1.5 thread size,stainle steel ( 90 DEGREE ) adapter Increases the distance between the O2 sensor and exhaust system. This spacer only minimize the chance of CEL. Some vehicles will need their ECU reset if the CEL is triggered before hand. There is NO GUARANTEE that this product will work on your specific application. make sure the actual oxygen sensor is still good. if the actual sensor its to old we recomend to replace for a new one. This adapter will prolong the life of any Oxygen sensor Specification: Length: 61 mm/2.40" Material: Stainle Steel Color: silver Applicable models: universal Packages: 1 x Set of Oxygen Sensor Extender Spacer