Oxygen Sensor for 2004-2008 Chevrolet Astra & More - Walker 350-34146

Walker Products 350-34146 oxygen sensor for the 2004-2006 Chevrolet Astra 4-cylinder 2.0L, the 2006-2008 Astra 4-cylinder 1.8L and other vehicles measures the oxygen content of the exhaust gas. It passes that reading to the engine computer as diagnostic feedback.

• Monitors the air-fuel ratio to track combustion efficiency
• Electrodes made with a gas-permeable platinum layer
• Monitors exhaust gases to support emissions control
• Oxygen readings help fine-tune the air-fuel mixture and support fuel economy
• Electrode coating protects against contamination and erosion from combustion residue and particulates
• Four-wire, narrow-band design

Quick facts

• Part: Walker Products 350-34146 oxygen sensor
• Fits: the 2004-2006 Chevrolet Astra 4-cylinder 2.0L, the 2006-2008 Astra 4-cylinder 1.8L and other vehicles
• Position: Downstream
• Condition: New

A failing sensor can show up as rough running, higher fuel consumption, higher exhaust emissions or a check engine light. These signs alone do not prove the sensor is at fault, since a damaged wiring harness or connector can set the same light.

Fits

This downstream sensor fits the 2004-2006 Chevrolet Astra 4-cylinder 2.0L, the 2006-2008 Astra 4-cylinder 1.8L and the 2006-2008 Chevrolet Vectra V6 2.8L. This listing is one sensor, and these cars take one.

Specifications

Interchange: CTK-OSGM4024