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Help your pickup to run more efficiently by replacing the Sierra oxygen sensors as they begin malfunctioning. The oxygen sensors have the important task of adjusting how much fuel is added to the cylinders in your engine to keep the perfect fuel and air mixture for optimal performance with minimal waste. That means that when one or more of your oxygen sensors stops working properly, your truck won't run as efficiently any longer. It will either run with too much fuel going to the engine or too little, so you'll waste fuel or suffer with weakened engine performance. If you notice signs of a failing oxygen sensor, work with a professional to have it replaced or make the replacement yourself. We offer high-quality Sierra oxygen sensors that are built with reliable materials and designed to last for long-term performance. Swap in these reliable parts and you can even out engine performance and help achieve the fuel to oxygen balance that your engine needs once again. Along with replacement oxygen sensors, we also offer truck exhaust accessories like hangers, clamps, couplers and upgrade piping to help boost your trucks exhaust system performance. We provide Sierra headers, mid-pipes, down pipes and more for you to customize your pickup's exhaust to function the way you want it to. Replace your oxygen sensors as needed and enjoy the performance gains that you get from those simple changes. They're worth the investment and can dramatically improve your Sierra. Oxygen sensors are just one of the exhaust accessories that keeps your truck running properly, make sure you have what you need to keep your pickup moving and operating efficiently by investing in parts from American Trucks.

 

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Fitment Includes

  • 2019 GMC Sierra 1500
  • Base, SLE, Elevation, SLT, AT4, Denali

*Please see Sierra parts pages for any exceptions.

2019 Sierra 1500 Oxygen Sensors

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Sierra 1500
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