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Features, Description, Reviews, Q&A, Specs & Installation
Precise Exhaust Monitoring. The O2 Oxygen Sensor; Downstream monitors the oxygen level in the exhaust gases after the catalytic converter. It provides vital data to the engine control unit to optimize the fuel mixture and reduce emissions, ensuring efficient engine performance and compliance with emission standards.
_x000D__x000D_Construction and Appearance. This sensor features a robust black finish with a heated element for faster warm-up times. Constructed with durable materials and a 4-wire harness, it is designed to resist wear and corrosion for long-lasting service.
_x000D__x000D_Installation. Installation is straightforward with a direct-fit design requiring no drilling or modifications. It is intended to replace the original sensor in the factory location with ease for professional or experienced DIY installation.
_x000D__x000D_Warranty. The sensor comes with a 3-year unlimited mileage warranty against manufacturing defects.
_x000D__x000D_Application. Designed specifically to fit the 2020-2021 V8 Sierra 1500 models for downstream oxygen sensor positions as indicated in the fitment chart.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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