100 percent quality assurance tested, more responsive, less expensive, easier to install. Direct replacement, durable and have high strength to use. 90 design more room inside makes better reading of O2, greater degreasing of air. Not allow the oil and excess fuel to dump straight to the pipe. Built in Mini catalytic converter, eliminate to checking engine light(CEL) after modifing exhaustor or removing catalytic converter. Type:O2 Oxygen Sensor Adapter Solve the problem of P0420 or P0042 codes faulty. It is suitable for the installation position with narrow space. Easy installation, direct bolt-on, no modification needed. Thread: M18x1.5 Function: check engine light fix Applicable models: universal Material:Metal colour:Silver Package Contents: 1 x 90 Oxygen Sensor Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.