Oxygen Sensor for 2005 Mazda 6 - Walker 350-64066

Walker Products 350-64066 oxygen sensor for the 2005 Mazda 6 4-cylinder 2.3L measures the oxygen left in the exhaust gas so the engine computer can judge combustion efficiency.

• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
• Oxygen readings help fine-tune the air-fuel mixture for fuel economy
• Exhaust gas monitoring helps reduce pollutants
• Electrodes coated with a gas-permeable platinum layer
• Built for one specific position on the vehicle, and sends the ECU the diagnostic feedback it requires

Quick facts

• Part: Walker Products 350-64066 oxygen sensor
• Fits: 2005 Mazda 6 4-cylinder 2.3L
• Position: Upstream
• Condition: New

A failing sensor can show up as rough running, higher fuel consumption or a lit malfunction indicator light. A damaged wiring harness or connector can be behind those signs too, so find the cause before you buy a new sensor.

Fits

This sensor goes in the upstream position of the 2005 Mazda 6 4-cylinder 2.3L, which takes one. This listing is one sensor.

Specifications