Oxygen Sensor for 2005-2011 Volvo XC90 & More - Walker 250-54077

Walker Products 250-54077 oxygen sensor for the 2005-2011 Volvo XC90 V8 4.4L and other vehicles measures the oxygen content of the exhaust gas. Each Walker part number is made for its specific application and fitment position, and it gives the ECU the diagnostic feedback it needs.

• Tracks the air-fuel ratio to fine-tune the air-fuel mixture for combustion efficiency and fuel economy
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Electrodes use a gas-permeable platinum layer
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 250-54077 oxygen sensor
• Fits: 2005-2011 Volvo XC90 V8 4.4L and other vehicles
• Position: Upstream left, upstream right
• Condition: New

A failing sensor might show up as a poor-running engine, higher fuel use or a lit malfunction indicator light. A damaged wiring harness or connector can be behind those signs as well, so inspect both for physical damage and pin down the cause before you buy a sensor.

Fits

It is an oxygen sensor for the 2005-2011 Volvo XC90 V8 4.4L and the 2007-2010 Volvo S80 V8 4.4L. This listing is one sensor for the upstream left or upstream right position, and the 2005-2011 Volvo XC90 V8 4.4L takes one.

Specifications