Oxygen Sensor for 2004-2008 Chevrolet Astra & More - Walker 350-34264

Walker Products 350-34264 oxygen sensor for the 2004-2008 Chevrolet Astra 4-cylinder 2.0L and other vehicles measures the amount of oxygen in the exhaust gas to show combustion efficiency. This upstream sensor is made for its specific application and position and returns the diagnostic feedback the ECU requires.

• Narrow-band oxygen sensor with four wires
• Electrodes made of a gas-permeable platinum layer
• Determines the oxygen content of the exhaust gas to monitor the air-fuel ratio for combustion efficiency
• Measures oxygen levels to help fine-tune the air-fuel mixture and improve fuel economy
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 350-34264 oxygen sensor
• Fits: 2004-2008 Chevrolet Astra 4-cylinder 2.0L and other vehicles
• Position: Upstream
• Condition: New

A rough-running engine, higher fuel use, more exhaust emissions or a lit malfunction indicator light can mean the sensor is worn. A damaged wiring harness or connector can sit behind the same signs, so look both over for physical damage first, with the engine off and cool.

Fits

This direct-fit replacement sensor fits the 2004-2008 Chevrolet Astra 4-cylinder 2.0L and the 2006-2008 Chevrolet Vectra V6 2.8L. This listing is one upstream sensor, and the 2004-2008 Chevrolet Astra 4-cylinder 2.0L takes one.

Specifications