Oxygen Sensor for 2007-2013 Mazda 3 - Walker 350-35022

Walker Products 350-35022 oxygen sensor for the 2007-2013 Mazda 3 4-cylinder 2.3L measures the oxygen in the exhaust gas to track combustion efficiency. This Walker Products oxygen sensor is made for its specific application and fitment position, and it passes the diagnostic feedback the ECU requires.

• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
• Monitors the air-fuel ratio in the exhaust for combustion efficiency
• Measures oxygen levels so the air-fuel mixture can be fine-tuned for fuel economy
• Monitors exhaust gases to help reduce pollutants
• Electrodes coated with a gas-permeable platinum layer

Quick facts

• Part: Walker Products 350-35022 oxygen sensor
• Fits: 2007-2013 Mazda 3 4-cylinder 2.3L
• Position: Upstream
• Condition: New

A failing sensor can show up as rough running, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light. Damage to the wiring harness or connector can be behind those signs too, so look both over for physical damage and find the cause before buying. This listing is one sensor, and the 2007-2013 Mazda 3 4-cylinder 2.3L takes one in the upstream position.

Fits

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

Specifications