If your check engine light is on and the code points to an O2 sensor, this Bosch 15717 might be the fix. It's a direct-fit ...

Bosch Oxygen Sensor (O2 Sensor) - 4-Wire, Fits 2005-2015 GM Vehicles (Buick, Chevy, GMC, Cadillac, Etc.) ...

Today’s computerised engine control systems rely on inputs from a variety of sensors to regulate engine performance, emissions and other important functions. The sensors must provide accurate ...