Rear Oxygen Sensor for 2012-2013 Mazda 3 & More - Walker 250-24086

Walker Products 250-24086 rear oxygen sensor for the 2012-2013 Mazda 3 4-cylinder 2.0L and other vehicles measures the oxygen content of the exhaust gas to show how efficiently the engine burns fuel. This Walker Products oxygen sensor is built for its specific application and fitment position.

• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
• Electrodes made of a gas-permeable platinum layer
• Measures oxygen levels to help fine-tune the air-fuel mixture for fuel economy
• Monitors exhaust gases and helps reduce pollutants
• Gives the ECU the diagnostic system feedback it requires

Quick facts

• Part: Walker Products 250-24086 oxygen sensor
• Fits: 2012-2013 Mazda 3 4-cylinder 2.0L and other vehicles
• Position: Upstream, downstream, downstream rear
• Condition: New

A worn sensor can show up as an engine that runs poorly, higher fuel consumption or a lit malfunction indicator light. The wiring harness and connector can be behind these signs too, so find the cause before you buy a sensor.

Fits

It fits the 2012-2013 Mazda 3 4-cylinder 2.0L, the 2003-2005 Mazda 6 V6 3.0L and the 1990-1991 Mazda 929 V6 3.0L. This listing is a single sensor, and the fitment calls for one per application.

Specifications