Front Oxygen Sensor for 2003-2005 Mazda 6 - Walker 350-34204

Walker Products 350-34204 front oxygen sensor for the 2003-2005 Mazda 6 V6 3.0L measures the oxygen content of the exhaust gas. It monitors the air fuel ratio to gauge combustion efficiency.

• Narrow-band sensor with a 4-wire connection
• 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 particulates in the exhaust
• Electrodes made of a gas-permeable platinum layer
• Oxygen readings help fine-tune the air-fuel mixture to support fuel economy

Quick facts

• Part: Walker Products 350-34204 oxygen sensor
• Fits: 2003-2005 Mazda 6 V6 3.0L
• Position: Downstream front
• Condition: New

A failing oxygen sensor can show up as an engine that runs poorly, higher fuel use, more exhaust emissions or a lit malfunction indicator light. Before you replace the oxygen sensor, rule out physical damage to its wiring harness and connector as well as the sensor itself.

Fits

This oxygen sensor is a direct-fit replacement for the 2003-2005 Mazda 6 V6 3.0L. This listing is one sensor, and the downstream front position takes one.

Specifications

Product information is for general reference and may contain errors. See our Disclaimer.