Fits：
For 2010 Ford Escape V6 3.0L Downstream Rear Bank O2 Oxygen Sensor
For 2009-2010 Ford Escape L4 2.5L Downstream O2 Oxygen Sensor
For 2001-2009 Ford Escape V6 3.0L Downstream O2 Oxygen Sensor
Specifications:

Brand New Bodeman Oxygen Sensor
Downstream Sensor
4 wire configuration

Note: For clarification purposes:

Upstream location is between the catalytic converter and the engine
Downstream location is between the catalytic converter and the tailpipe

Suggestion of Replacement:

Normally, technicians advise the owners to replace their oxygen sensor after using two years or vehicles run more than 6W kilometers. By using new oxygen sensor,it may save about 15% engine for your vehicles.

If you have a bad O2 sensor causing your vehicle to fail an emission test then this is the part for you.