The Bosch universal oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance. Product Features:OE-Equivalent.Direct fit for easy installation.OE Style connectors and wire lengths.Base ceramic probe of Zirconium and Yttrium.Patented Platinum Power Grid.Fine particle filter. Critical Installation Notes: Please read the installation directions included in the box before removal of the original oxygen sensor form the vehicle. - Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering. Installation Instructions: Universal Oxygen Sensors require assembly of electrical connectors and cannot be returned once wire end connectors have been crimped...