Brand new.New high quality products.Easy install and durable use.Great quality and great Fitment.Stable characteristics, high reliability.Type: Oxygen SensorPart Number: 234-4669 234-4407Placement on Vehicle: EngineFitment:For 2003-2006 Cadillac Escalade 6.0LFor 2003-2006 Cadillac Escalade EXT 6.0LFor 2003-2006 Chevrolet Silverado 1500 6.0LFor 2002 Chevrolet Silverado 1500 HD 6.0LFor 2002 Chevrolet Silverado 2500 6.0LFor 2002 Chevrolet Silverado 2500 HD 6.0LFor 2002 Chevrolet Silverado 3500 6.0LFor 2006 Chevrolet Suburban 1500 6.0LFor 2002 Chevrolet Suburban 2500 6.0LFor 2002 GMC Sierra 1500 6.0LFor 2002 GMC Sierra 1500 HD 6.0LFor 2002 GMC Sierra 2500 6.0LFor 2002 GMC Sierra 2500 HD 6.0LFor 2002 GMC Sierra 3500 6.0LFor 2003-2006 GMC Yukon 6.0LFor 2003-2006 Hummer H2 6.0LColour: BlackMaterial: Plastic+MetalPackage Contents:2 * Upstream Oxygen Sensor2 * Downstream Oxygen SensorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.