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Features, Description, Reviews, Q&A
Precise Oxygen Sensing. The O2 Oxygen Sensor for the upstream passenger side is an essential component that monitors the air-to-fuel ratio in the engine’s exhaust system. Positioned before the catalytic converter, it provides accurate real-time data to the engine control unit, supporting optimal engine performance, improved fuel economy, and reduced emissions.
Construction and Appearance. Manufactured to meet exact OEM specifications, this sensor features a planar design with a 22 mm wrench size and an 18 mm threaded diameter to ensure a secure fit. It includes a durable heated sensor element housed in double-layered stainless steel for long service life, paired with a 4-wire connector that has blade terminals and a square connector shape for reliable electrical connections.
Installation. Installation is straightforward and requires no drilling. The sensor threads directly into the exhaust manifold or pipe. It is recommended to apply copper anti-seize on the threads to ease future removal.
Warranty. This product is backed by a limited lifetime warranty covering manufacturing defects under intended use.
Application. Designed to fit 2010 to 2012 Toyota Tundra models equipped with the 5.7L V8 engine, specifically for the upstream passenger side location only.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov