Oxygen Sensor for 2007-2010 Audi Q7 & More - Walker 350-35029

Walker Products 350-35029 oxygen sensor for the 2007-2010 Audi Q7 V8 4.2L and other vehicles measures oxygen in the exhaust gas to gauge combustion efficiency.

• Made for its specific application and fitment position, with the diagnostic feedback the ECU requires
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and exhaust particulates
• Electrodes made of a gas-permeable platinum layer
• Monitors the air-fuel ratio from the oxygen content of the exhaust gas
• Wide-band sensor design

Quick facts

• Part: Walker Products 350-35029 oxygen sensor
• Fits: 2007-2010 Audi Q7 V8 4.2L and other vehicles
• Position: Upstream, upstream left, upstream right
• Condition: New

A failing oxygen sensor can show up as rough running, higher fuel consumption, more exhaust emissions or a malfunction indicator light, but a different fault could be behind any of them. With the engine off and cool, look over the sensor, its wiring harness and the connector for physical damage before you replace anything.

Fits

It works as an oxygen sensor replacement for the 2007-2010 Audi Q7 V8 4.2L and fits the 2005-2007 Audi A8 Quattro W12 6.0L. This listing is a single sensor, and the fitment lists one sensor per car.

Specifications