Feature: 1. AVOID A CHECK ENGINE LIGHT Catalytic converter built inside and will help get rid of that annoying check engine light. 2. If the O2 sensor is too sensitive the CEL will still open after loading the canceler and all problems on the CEL alarm will not be resolved. 3. Quick and easy to install straight bolt-on. Reusable thread use in most type of car. 4. This sensor spacer can prevent the penetration of water dustproof. Specifics: Condition: 100% Brand New Material: Zinc Plated Steel Color: As the picture Type: Oxygen Sensor Fitment Type: Direct Replacement Thread: M18*1.5 Size: M18*1.5 Length: 1.77 (45 mm) Package Include: 1pc/2pcs*Oxygen Sensor (depends on your choice)