Fangrui Product Details Part Number Fitment:234-4112, 234-4337, 234-4018 Type:4-wire Product Fit:direct Fit Position: Upstream Left And Upstream Right Downstream Left And Downstream Right Fitment: For 2007 Escalade Base - 6.2l 2007 Escalade Esv Base - 6.2l For 2006 1500 - 4.8l 2006 1500 - 4.8l 2006 1500 - 4.8l 2006 Base - 4.8l 2006 - 4.8l 2007 - 5.3l 2007 - 5.3l 2007 - 6.0l 2007 - 5.3l 2007 1500 Classic - 4.3l 2007 1500 - 4.3l 2007 - 4.8l 2007 - 5.3l For 2007 1500 Classic Sl - 4.3l 2007 1500 Classic - 4.3l 2007 1500 Classic - 4.8l Classic Body Style 2007 1500 - 4.8l Classic Body Style 2007 1500 - 4.3l 2007 - 6.2l 2007 - 4.8l 2007 - 5.3l 2007 Xl 1500 - 6.2l 2007 Xl 1500 - 5.3l 2007 Xl 1500 - 6.0l 2007 Xl 1500 - 5.3l 2007 Xl 2500 - 6.0l 2007 Xl 2500 - 6.0l 2006 1500 Sl - 4.8l 2006 1500 - 4.8l 2006 1500 - 4.8l 2006 Sl - 4.8l 2006 - 4.8l Colour:as Shown Material:metal+abs Package Contents: 2 X Upstream Oxygen Sensor 2 X Downstream Oxygen Sensor Only The Above Package Content, Other Products Are Not Included. Note: Light Refle