Specification:
* 4&5 wire configuration
* Interchange Part Number:  234-9151,234-4450,234-4451
* Package Include  4pcs x Oxygen Sensor(2x Upstream+2x Downstream)

Fit Vehicles:
For Volvo
Xc90 3.2L L6 2007 2008 2009 2010 2011 2012 2013 2014

Please check the part number and item pics clearly, confirm suited to your needs.

Features
-Condition: 100% Brand New and High Quality
-Pretested, precise and high quality oxygen sensor.
-Designed to improve fuel economy while reducing harmful emissions.
-Helps the engine run efficiently in perfect air-gas ratio.
-Improve engine response and performance.
-Direct replacement for the original one. Easy installation
-Direct Plug-In Replacement

Specifications
1-Direct replacement
2-Correct Connector No cutting or splicing
3-Built and tested to strict quality control standards
4-Oxygen sensor is an electronic device that measures the proportion of oxygen in the gas or liquid being analyzed. 

It is positioned in the exhaust pipe and can detect the ratio of air and gasoline.