Spectra OS5590 Oxygen Sensor - Upstream

Spectra OS5590 Oxygen Sensor

The Spectra OS5590 oxygen sensor is an OE-style replacement for select GM vehicles that need accurate exhaust oxygen feedback for engine management. It is built for upstream Bank 1 Sensor 1 locations and supports proper air-fuel control on applications such as the Chevrolet Cruze, Chevrolet Sonic, and Buick Encore.

• Upstream oxygen sensor for Bank 1 Sensor 1 applications
• Direct replacement for select Buick, Chevrolet, and Cadillac models
• Engineered to meet or exceed original equipment performance targets
• Cross-references Delphi ES20416 and Gates 21577 for the same application
• Part number: OS5590

Fitment Details

• Fits 2013-2018 Buick Encore, Upstream, Bank 1 Sensor 1 Oxygen Sensor
• Fits 2012-2018 Chevrolet Sonic, Upstream, Bank 1 Sensor 1 Oxygen Sensor
• Fits 2013-2018 Chevrolet Trax, Upstream, Bank 1 Sensor 1 Oxygen Sensor
• Fits 2014-2016 Cadillac ELR, Upstream, Bank 1 Sensor 1 Oxygen Sensor
• Fits 2016 Chevrolet Cruze Limited, Upstream, Bank 1 Sensor 1 Oxygen Sensor
• Fits 2011-2015 Chevrolet Cruze, Upstream, Bank 1 Sensor 1 Oxygen Sensor
• Fits 2011-2015 Chevrolet Volt, Upstream, Bank 1 Sensor 1 Oxygen Sensor

How This Sensor Is Used

• Restores accurate oxygen sensing for fuel control
• Addresses check engine light concerns tied to sensor performance
• Supports drivability issues caused by incorrect air-fuel readings
• Helps correct emissions-related fault codes on upstream circuits
• Replaces a worn or slow-responding Bank 1 Sensor 1 unit

Installation Notes and Tips

Verify the connector style, sensor location, and engine application before installation. This upstream sensor is specified for Bank 1 Sensor 1 positions only, so confirm the vehicle uses the correct exhaust location on the Cruze, Sonic, Trax, Encore, Volt, Cruze Limited, or ELR before replacement.

Quality Assurance

Spectra Premium states that its engineering, manufacturing processes, and quality control are used to produce oxygen sensors that meet or exceed the performance of the original equipment they replace.