Oxygen Sensor for 2005-2014 Subaru Outback & More - DENSO 234-4447

DENSO Auto Parts 234-4447 oxygen sensor for the 2005-2009 Subaru Outback H6 3.0L, the 2010-2014 Outback H6 3.6L and other vehicles measures the oxygen left in the exhaust and reports it to the engine computer. This heated, narrow-band sensor sits downstream.

• Laser-welded stainless housing resists corrosion
• PTFE filter blocks contaminants under harsh engine conditions
• Dual-layer protection around the ceramic element supports fast, reliable response times
• DENSO's exclusive aluminum oxide trap layer protects the ceramic element from silicone and lead poisoning

Quick facts

• Part: DENSO Auto Parts 234-4447 oxygen sensor
• Fits: the 2005-2009 Subaru Outback H6 3.0L, the 2010-2014 Outback H6 3.6L and other vehicles
• Position: Downstream
• Condition: New

A failing oxygen sensor can bring a check engine light, poorer fuel economy or a rough idle. None of that proves the sensor is at fault, since an exhaust leak near it can skew its readings too.

Fits

It is a direct-fit Subaru Legacy oxygen sensor for the 2008-2009 Subaru Legacy H6 3.0L and the 2010-2014 Legacy H6 3.6L, and it also fits the 2008-2014 Subaru Tribeca H6 3.6L. It is made and tested to the strictest OE standards. These Subarus take two, and this listing is one sensor. If your Subaru is not named here, look up its year and engine in the "Vehicles it fits" section.

Specifications