Front Oxygen Sensor for 2006-2008 Mazda 6 - Walker 250-25069

Walker Products 250-25069 front oxygen sensor for the 2006-2008 Mazda 6 4-cylinder 2.3L measures combustion efficiency from the oxygen in the exhaust gas. It is made for its specific application and fitting position, and it gives the ECU the diagnostic feedback it requires.

• Monitors exhaust gases and reduces pollutants for a cleaner environment
• Measures oxygen levels to fine-tune the air-fuel mixture and support fuel economy
• Coating protects the electrode surfaces from combustion residue and particulates in the exhaust gas
• Electrodes made of a gas-permeable platinum layer

Quick facts

• Part: Walker Products 250-25069 oxygen sensor
• Fits: 2006-2008 Mazda 6 4-cylinder 2.3L
• Position: Upstream front
• Condition: New

A failing oxygen sensor can show up as an engine that runs poorly, higher fuel consumption or a lit malfunction indicator light. Those signs alone don't prove the sensor is at fault, because a damaged wiring harness or connector can look much the same.

Fits

This listing is one oxygen sensor for the 2006-2008 Mazda 6 4-cylinder 2.3L, a direct-fit replacement for that engine. The engine takes one sensor in this upstream front position.

Specifications