Delphi Oxygen Sensor P/N:ES20045
Delphi ES20320 oxygen sensor for the 2005-2009 Chevrolet Equinox V6 3.4L and other vehicles measures exhaust oxygen and reports it to the engine computer. This Delphi oxygen sensor is tested and calibrated to OE standards for accurate readings.
A check engine light, poor fuel economy or a rough idle can mean an oxygen sensor is wearing out. An exhaust leak, a vacuum leak, damaged wiring or a fuel or ignition fault can also be behind those signs, so track down the cause before you buy a sensor. This listing is one sensor for one position; the number a vehicle takes varies by vehicle and engine.
As a Chevy Equinox oxygen sensor replacement, it covers the 2005-2009 Equinox V6 3.4L. It is also a Chevy Malibu oxygen sensor for the 2008-2010 Malibu V6 3.5L and the 2008-2012 Malibu V6 3.6L, and it fits the 2004-2005 Chevrolet Impala V6 3.8L, the 2005 Impala V6 3.4L, the 2006-2007 Impala V8 5.3L and the 2006-2011 Impala V6 3.5L or 3.9L. If your car is not named here, open the "Vehicles it fits" section and look up your exact model and engine.
Fit and size
Build and materials
One oxygen sensor and one instruction sheet.
Is this a Chevy Equinox oxygen sensor for the 2005-2009 Chevrolet Equinox V6 3.4L?
Yes. Delphi ES20320 fits the 2005-2009 Chevrolet Equinox V6 3.4L. The sensor position depends on the application, so use the "Vehicles it fits" section to match your engine and location.
Is the ES20320 a Chevy Impala oxygen sensor for the 2006-2011 Chevrolet Impala V6 3.5L or 3.9L?
Yes. Delphi ES20320 fits the 2006-2011 Chevrolet Impala with the V6 3.5L or the V6 3.9L engine.
Does the Delphi ES20320 come with an instruction sheet?
Yes. The package contains one oxygen sensor and one instruction sheet.
Is the Delphi ES20320 oxygen sensor validated for E85 fuel?
Yes. This oxygen sensor is validated for all fuel types, including ethanol blends like E85.
How is the Delphi ES20320 oxygen sensor tested?
Its testing runs to 150,000 miles and adds 2,000 hours of severe thermal testing. A patented protective coating on the sensor helps prevent contamination.
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