Oxygen Sensor for 2007-2012 Mazda CX-7 & More - Walker 350-35045

Walker Products 350-35045 oxygen sensor for the 2007-2012 Mazda CX-7 4-cylinder 2.3L and other vehicles measures exhaust oxygen to track combustion efficiency. It is the upstream sensor and gives the ECU diagnostic feedback.

• 5-W wide-band sensor that determines the oxygen content of the exhaust gas
• Electrodes made of a gas-permeable platinum layer
• Coating that prevents contamination and erosion of the electrode surfaces by combustion residue and particulates
• Oxygen readings that let the air-fuel mixture be fine-tuned, which supports fuel economy
• Made for its specific application and fitment position on the vehicle

Quick facts

• Part: Walker Products 350-35045 oxygen sensor
• Fits: 2007-2012 Mazda CX-7 4-cylinder 2.3L and other vehicles
• 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. The wiring harness and the connector can be behind the same signs, so check both for physical damage before you replace the sensor. If the sensor is the cause, this one replaces it.

Fits

This oxygen sensor is a direct-fit replacement for the 2006-2007 Mazda 6 4-cylinder 2.3L and the 2007-2012 Mazda CX-7 4-cylinder 2.3L.

Specifications

In the box

One oxygen sensor. Both cars call for a single sensor in this upstream position.

Product information is for general reference and may contain errors. See our Disclaimer.