Oxygen Sensor for 2007-2012 Mazda CX-7 - Walker 350-34472

Walker Products 350-34472 oxygen sensor for the 2007-2012 Mazda CX-7 4-cylinder 2.3L measures the oxygen in the exhaust gas to show how efficiently the engine burns fuel.

• Monitors the air-fuel ratio of the exhaust gas and helps reduce pollutants
• Electrodes made of a gas-permeable platinum layer
• Oxygen readings help fine-tune the air-fuel mixture for fuel economy
• Coating protects the electrode surfaces from combustion residue and particulates in the exhaust gas
• Narrow-band sensor with four wires
• Made for a specific application and position, with the diagnostic feedback the ECU requires

Quick facts

• Part: Walker Products 350-34472 oxygen sensor
• Fits: 2007-2012 Mazda CX-7 4-cylinder 2.3L
• Position: Downstream
• Condition: New

A failing sensor can make the engine run poorly, raise fuel use or light the malfunction indicator lamp. Before you replace it, rule out damage to the wiring harness and connector, and have the stored fault codes read, because those signs can have other sources.

Fits

This downstream sensor is the oxygen sensor for the 2007-2012 Mazda CX-7 4-cylinder 2.3L (L4-2.3L), and that engine takes one sensor in the downstream position. This listing is a single sensor.

Specifications

Interchange: CTK-OSMA4003