Oxygen Sensor for 2008-2009 Chevrolet Equinox & More - NTK 21571

NTK 21571 oxygen sensor for the 2008-2009 Chevrolet Equinox V6 3.6L and other vehicles reads the oxygen in the exhaust and reports it to the engine computer. It gives the ECU constant closed-loop feedback to help control the air-fuel ratio, and it lets the OBDII system flag possible fuel delivery or catalytic converter problems.

• Heated switching zirconia sensing element
• 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects the element against poisoning
• Dual-coated platinum interface and a thinner ceramic element for quick light-off and response
• NTK sensors are tested for vibration and thermal shock during development

Quick facts

• Part: NTK 21571 oxygen sensor
• Fits: 2008-2009 Chevrolet Equinox V6 3.6L and other vehicles
• Position: Upstream left, upstream right, downstream left, downstream right
• Condition: New

A check engine light, rough running or poor fuel economy can point to a tired oxygen sensor. A vacuum leak, an exhaust leak or a fuel delivery fault can be behind the same symptoms, so find the cause before you buy.

Fits

As a 2008-2009 Chevy Equinox V6 3.6L oxygen sensor replacement, it also fits the 2012-2016 GMC Acadia V6 3.6L and the 2014-2020 Chevrolet Impala V6 3.6L. Many more vehicles are listed, so look up your own car in the "Vehicles it fits" section.

Specifications

In the box

One oxygen sensor. This listing holds one sensor, and the fitment calls for one per application.

Installation notes

• Comes with water-resistant connectors and harness accessory hardware for easier installation.