Oxygen Sensor for 2007-2013 Mazda 3 - Walker 350-34507

Walker Products 350-34507 oxygen sensor for the 2007-2013 Mazda 3 4-cylinder 2.3L measures the oxygen in the exhaust gas on the downstream side. It is a 4-wire narrow-band sensor that sends diagnostic feedback to the ECU.

• Sensor electrodes have a gas-permeable platinum layer
• Oxygen sensor monitors exhaust gases to help reduce pollutants
• Sensor determines the oxygen content of the exhaust gas and tracks the air-fuel ratio for combustion efficiency
• Oxygen readings let the air-fuel ratio be fine-tuned, which helps fuel economy
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust

Quick facts

• Part: Walker Products 350-34507 oxygen sensor
• Fits: 2007-2013 Mazda 3 4-cylinder 2.3L
• Position: Downstream
• Condition: New

Rough running, higher fuel use or a lit malfunction indicator light can mean the sensor is worn. Damage to the wiring harness or the connector can be behind the same signs, so look both over for physical damage.

Fits

It is a direct-fit oxygen sensor replacement for the 2007-2013 Mazda 3 4-cylinder 2.3L.

Specifications

In the box

This listing is one oxygen sensor, and the 2007-2013 Mazda 3 4-cylinder 2.3L takes one.