Oxygen Sensor for 2009-2011 Honda Civic & More - Walker 250-54040

Walker Products 250-54040 oxygen sensor for the 2009-2011 Honda Civic 4-cylinder 1.3L or 2.0L and other vehicles measures the oxygen content of the exhaust gas to track combustion efficiency. The sensor sits in the upstream position and sends the ECU the air-fuel ratio feedback it needs.

• Wide-band air-fuel ratio sensor with 4 wires
• Electrodes made of a gas-permeable platinum layer
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
• Made for a specific application and fitment position, with the diagnostic feedback the ECU requires

Quick facts

• Part: Walker Products 250-54040 oxygen sensor
• Fits: 2009-2011 Honda Civic 4-cylinder 1.3L or 2.0L and other vehicles
• Position: Upstream
• Condition: New

A worn sensor can mean the engine runs poorly, fuel consumption goes up or the malfunction indicator light comes on. A damaged wiring harness or connector can also be behind those signs, so inspect both for damage before replacing the sensor.

Fits

This listing is one sensor, a direct-fit replacement for the 2009-2011 Honda Civic 4-cylinder 1.3L or 2.0L and the 2006-2011 Acura CSX 4-cylinder 2.0L, which take a single upstream sensor.

Specifications