Oxygen Sensor for 2010-2012 Mazda CX-7 - Walker 250-24871

Walker Products 250-24871 oxygen sensor for the 2010-2012 Mazda CX-7 4-cylinder 2.5L measures the oxygen in the exhaust gas to show combustion efficiency. This downstream Walker Products oxygen sensor gives the ECU the diagnostic feedback its system requires.

• Narrow-band, 4-wire sensor made for its specific application and fitment position
• Monitors exhaust gases and the air-fuel ratio for combustion efficiency
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Electrodes made of a gas-permeable platinum layer
• Oxygen readings help fine-tune the air-fuel mixture for fuel economy

Quick facts

• Part: Walker Products 250-24871 oxygen sensor
• Fits: 2010-2012 Mazda CX-7 4-cylinder 2.5L
• Position: Downstream
• Condition: New

A rough-running engine, higher fuel use or a lit malfunction indicator light can mean the sensor is worn, though a damaged wiring harness or connector can be behind them too, so look both over for physical damage first, with the engine off and cool.

Fits

This direct-fit sensor fits the 2010-2012 Mazda CX-7 4-cylinder 2.5L, which takes one. This listing is a single sensor for the downstream position.

Specifications