Oxygen Sensor for 2010-2013 Mazda 3 - Walker 250-24872

Walker Products 250-24872 oxygen sensor for the 2010-2011 Mazda 3 4-cylinder 2.5L and the 2010-2013 3 4-cylinder 2.0L measures the oxygen in the exhaust gas to show how efficiently the engine is burning fuel. It is a downstream sensor.

• Narrow-band design with four wires
• Monitors the air-fuel ratio in the exhaust for combustion efficiency
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Electrodes with a gas-permeable platinum layer
• Made for its specific application and fitment position, with the diagnostic feedback the ECU requires
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 250-24872 oxygen sensor
• Fits: the 2010-2011 Mazda 3 4-cylinder 2.5L and the 2010-2013 3 4-cylinder 2.0L
• Position: Downstream
• Condition: New

A worn sensor can show up as the engine running poorly, higher fuel consumption or a lit check engine light. A damaged wiring harness or connector can be behind these signs too, so inspect them for physical damage with the engine off and find the cause before you buy a sensor.

Fits

This direct-fit replacement is one downstream sensor for the 2010-2011 Mazda 3 4-cylinder 2.5L and the 2010-2013 3 4-cylinder 2.0L; each takes one.

Specifications